Sea silk

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Knitted glove made of sea silk, from Taranto, Italy, probably from the late 19th century
Pinna nobilis shell and byssus
Photo showing extreme fineness of the byssus thread

Sea silk is an extremely fine, rare, and valuable fabric that is made from the long silky filaments or byssus secreted by a gland in the foot of pen shells (in particular Pinna nobilis). The byssus is used by the clam to attach itself to the sea bed.[1]

Sea silk was produced in the Mediterranean region from the large marine bivalve mollusc Pinna nobilis until early in the 20th century. The shell, which is sometimes almost a metre long, adheres itself to rocks with a tuft of very strong thin fibres, pointed end down, in the intertidal zone. These byssus or filaments (which can be up to 6 cm long) are spun and, when treated with lemon juice, turn a golden colour, which never fades.[2]

The cloth produced from these filaments can be woven even finer than silk, and is extremely light and warm; however, it attracts clothes moths, the larvae of which will eat it. It was said that a pair of women's gloves made from the fabric could fit into half a walnut shell and a pair of stockings in a snuffbox.[3] In addition, Pinna nobilis is also sometimes gathered for its flesh (as food) and occasionally has pearls of fair quality.

History

Egypt

The Greek text of the (196 BC) Rosetta Stone records that Ptolemy V reduced taxes on priests, including one paid in byssus cloth. This is thought to be fine linen cloth,[4] not sea silk. In Ancient Egyptian burial customs, byssus was used to wrap mummies; this was also linen and not sea silk.

Greece

The sophist author Alciphron first records "sea wool" in his (ca. 2nd century AD) "Galenus to Cryton" letter.[5]

The early Christian Tertullian (ca. 160-220 AD) mentions it when justifying his wearing a pallium instead of a toga.

Nor was it enough to comb and to sow the materials for a tunic. It was necessary also to fish for one's dress; for fleeces are obtained from the sea where shells of extraordinary size are furnished with tufts of mossy hair.[6]

Sea silk has been suggested as an interpretation of the nature of the golden fleece that was sought by Jason and the Argonauts[7] but scholars refute this hypothesis.[8]

Roman Empire

Several sources mention lana pinna "pinna wool". Emperor Diocletian's (301 AD) Edict on Maximum Prices lists it as a valuable textile.[9]

The Byzantine historian Procopius's (ca. 550 AD) Persian War, "stated that the five hereditary satraps (governors) of Armenia who received their insignia from the Roman Emperor were given chlamys (or cloaks) made from lana pinna. Apparently only the ruling classes were allowed to wear these chlamys."[10]

Arabia

The Arabic name for "sea silk" is ṣūf al-baḥr "sea wool". The 9th-century Persian geographer Estakhri notes that a sea-wool robe cost more than 1000 gold pieces and records its mythic source.

At a certain period of the year an animal is seen running out of the sea and rubbing itself against certain stones of the littoral, whereupon it deposes a kind of wool of silken hue and golden colour. This wool is very rare and highly esteemed, and nothing of it is allowed to waste.[11]

Two 13th-century authors, Ibn al-Baitar and Zakariya al-Qazwini, repeat this inaccurate "sea wool" story.

China

Beginning in the Eastern Han dynasty (25-220 AD), Chinese histories document importing sea silk. Chinese language names include "cloth from the west of the sea" and "mermaid silk".

The (3rd century AD) Weilüe "Brief Account of the Wei", which was an unofficial history of the Cao Wei empire (220-265 AD), records haixi 海西 "West of the Sea" cloth made from shuiyang 水羊 "water sheep".[12]

They have fine brocaded cloth that is said to be made from the down of 'water-sheep'. It is called Haixi ('Egyptian') cloth. This country produces the six domestic animals [traditionally: horses, cattle, sheep, chickens, dogs and pigs], which are all said to come from the water. It is said that they not only use sheep's wool, but also bark from trees, or the silk from wild silkworms, to make brocade, mats, pile rugs, woven cloth and curtains, all of them of good quality, and with brighter colours than those made in the countries of Haidong (“East of the Sea”).[13]

The (ca. 5th century AD) Hou Hanshu "Book of the Eastern Han" expresses doubt about "water sheep" in the "Products of Daqin (the Roman Empire)" section. "They also have a fine cloth which some people say is made from the down of 'water sheep,' but which is made, in fact, from the cocoons of wild silkworms".[14] The historian Fan Ye (398-445 AD), author of the Hou Hanshu, notes this section's information comes from the report that General Ban Yong 班勇 (son of General Ban Chao 班超, 32-102 AD) presented to the Emperor in 125. Both Bans administered the Western Regions on the Silk Road.

The (945 AD) Tang shu "Book of Tang" mentioned Haixi cloth from Folin 佛菻 "Syria", which Emil Bretschneider first identified as sea silk from Greece. "There is also a stuff woven from the hair of sea-sheep, and called hai si pu (stuff from the western sea)". He notes, "This is, perhaps, the Byssus, a clothstuff woven up to the present time by the Mediterranean coast, especially in Southern Italy, from the thread-like excrescences of several sea-shells, (especially Pinna squamosa)."[15]

The (early 6th century AD) Shuyiji 遹異記 "Records of Strange Things" mentions silk woven by Jiaoren 蛟人 jiao-dragon people", which Edward H. Schafer identifies as sea silk.

In the midst of the South Sea are the houses of the kău people who dwell in the water like fish, but have not given up weaving at the loom. Their eyes have the power to weep, but what they bring forth is pearls.[16]

This aquatic type of raw silk was called jiaoxiao 蛟綃, i.e. "mermaid silk" or jiaonujuan 蛟女絹, "mermaid women's silk".

Modern

The earliest usage of the English name sea silk remains uncertain, but the Oxford English Dictionary defines sea-silkworm as "a bivalve mollusc of the genus Pinna."[17]

Alexander Serov's 1863 opera Judith includes an aria "I shall don my robe of byssus" (Я оденусь в виссон).[18][19]

In Jules Verne's 1870 novel 20,000 Leagues Under the Sea, the crew of the Nautilus wear clothes made of byssus (alternately translated as "seashell tissue" or "fan-mussel fabric").[20]

Pinna nobilis has become threatened with extinction, partly due to overfishing, the decline in seagrass fields, and pollution. As it has declined so dramatically, the once small but vibrant sea silk industry has almost disappeared, and the art is now preserved only by a few women on the island of Sant'Antioco near Sardinia. Only one, Chiara Vigo, still harvests the material (using a technique that allows her to do so without harming the molluscs) and knows how to dye it its golden color.[21][22] Vigo created the Sea Silk Museum in Sant'Antioco which now risks being closed.

Footnotes

  1. ↑ Webster's Third New International Dictionary (Unabridged) 1976. G. & C. Merriam Co., p. 307.
  2. ↑ Chiara Vigo: The last woman who makes sea silk
  3. ↑ Oxford English Dictionary (1971), under Byssus.
  4. ↑ Translation of the Greek section of the Rosetta Stone.
  5. ↑ Book I, Alciphron, Literally and Completely Translated
  6. ↑ Tr. Laufer 1915:109.
  7. ↑ Verrill, A. Hyatt (1950), Shell Collector’s Handbook, New York: Putnam, p. 77
  8. ↑ McKinley, Daniel (1999), “Pinna And Her Silken Beard: A Foray Into Historical Misappropriations,” Ars Textrina 29, pp. 9-29
  9. ↑ Maeder 2002, p. 10.
  10. ↑ Turner and Rosewater 1958, p. 294.
  11. ↑ Tr. Laufer 1915:111.
  12. ↑ In Modern Standard Chinese usage, Haixi denotes "western; foreign" names such as Haixi Jurchens and Haixi Mongol and Tibetan Autonomous Prefecture.
  13. ↑ Tr. Hill 2004
  14. ↑ Tr. Hill 2003.
  15. ↑ Tr. Bretschneider 1871, p. 24
  16. ↑ Tr. Schafer 1967:220-1.
  17. ↑ OED2, under Sea, n. 23 (d).
  18. ↑ Опера Серова «Юдифь»
  19. ↑ Natalija Ermolenko-Yuzhina, "I shall don my robe of byssus", Serov: Judith (rec. 1909)
  20. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  21. ↑ Maeder, Hänggi, and Wunderlin 2004, pp. 68-71.
  22. ↑ Max Paradiso, Chiara Vigo: The last woman who makes sea silk BBC News 2 September 2015

References

  • Bretschneider, Emil. 1871. On the Knowledge Possessed by the Ancient Chinese of the Arabs and Arabian Colonies and Other Western Countries. Trubner.
  • Hill, John E. (2009) Through the Jade Gate to Rome: A Study of the Silk Routes during the Later Han Dynasty, 1st to 2nd Centuries CE. John E. Hill. BookSurge, Charleston, South Carolina. ISBN 978-1-4392-2134-1. See Section 12 plus "Appendix B - Sea Silk".
  • Hill, John E. 2004. The Peoples of the West. A draft annotated translation of the 3rd century Weilüe – see Section 12 of the text and Appendix D.
  • Laufer, Berthold. 1915. "The Story of the Pinna and the Syrian Lamb", The Journal of American Folk-lore 28.108:103-128.
  • McKinley, Daniel L. 1988. "Pinna and Her Silken Beard: A Foray Into Historical Misappropriations". Ars Textrina: A Journal of Textiles and Costumes, Vol. Twenty-nine, June, 1998, Winnipeg, Canada, pp. 9–223.
  • Maeder, Felicitas 2002. "The project Sea-silk – Rediscovering an Ancient Textile Material." Archaeological Textiles Newsletter, Number 35, Autumn 2002, pp. 8–11.
  • Maeder, Felicitas, Hänggi, Ambros and Wunderlin, Dominik, Eds. 2004. Bisso marino: Fili d’oro dal fondo del mare – Muschelseide: Goldene Fäden vom Meeresgrund. Naturhistoriches Museum and Museum der Kulturen, Basel, Switzerland. (In Italian and German).
  • Maeder, Felicitas. (2014). "Irritating Byssus – Etymological problems, material facts and the impact of mass media." Paper presntented at: Textile Terminologies from the Orient to the Mediterranean and Europe 1000 BC – AD 1000. Copenhagen, 18th-22nd June 2014, pp. 1-17.
  • Schafer, Edward H. 1967. The Vermillion Bird: T'ang Images of the South. University of California Press.
  • Turner, Ruth D. and Rosewater, Joseph 1958. "The Family Pinnidae in the Western Atlantic" Johnsonia, Vol. 3 No. 38, June 28, 1958, pp. 285–326.

External links

de:Byssus

eo:Bisino it:Bisso lb:Byssus

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