Chiton (Leptochiton) albus Lin., Môrcu, Catal. Moil. Spitzberg in Ann. Soc. R. Malac. Belg. IV, p. 20. 
—  albus Lin., Gouzp et Bey, Invert. of Massach., p. 263, fig. 525. 
—  —  — Sanperson Smirx et Tempce Prime, Moll. of Long Island in Ann. Lyc. Nat. Hist. 
of New York, IX, p. 392. 
— — — Jerrreys, Norw. Moll., in Ann. a Mag. N. H.4th Ser. V, p. 444. 
—  ({Leptochiton) albus Lin., Môrcx, Synops. Moll. mar. Daniae, p. 43. 
—  albus Lin., BrôGGer, Bidr. til Kristianiafj. Molluskf., p. 13, 20, 37. 
— —  — TRrYOoN, Amer: mar. Conch., p. 08, pl. r2, fig. 202. 
> —  —  Môgrus, Zweite deutsche Nordpolarfahrt, p. 248. 
—  —  — Jerrreys, Moll. of Europe a. E. N. America in Quart. Journ. of Conch. [, p. r2. 
Trachydermon albus Lin., Verrizz, Dredg. Exp. N. England in Amer. Journ. Sc. and Arts, third ser. 
VII, p. 4r2. 
Chiton (Leptochiton) albus Lin., Merzcer, Nordseefahrt der Pommerania, p. 243, 263. 
—  albus Lin., VerkrüzeN, Moll. St John's Neufundland, p. 6. 
— — — Lrecne, Nov. Semlja, p. 37. 
— — —  VerkRÜZEN, Fauna v. Neu-Schotl. u. Neufundland in Jahrb. d. Malak. Ges. V, p. 213. 
— — —  Darz, Proc. U: S. Nat. Mus: I, p. 322. 
Lophyrus albus Lin., G.-0. Sars, Moll. Reg. arct. Norv., p. 114, pl. 8, fig. 22, 2b. 
Trachydermon albus Lin., Dazr, Rep. on Limpets and Chitons in Bull. U. S. Nat. Mus., p. ro4 
== — — Free, Spitzberg Moll. in Jahrb. d. Malak. Ges. VI, p. 285. 
— —— — Norman, Moll. of Bergen Fiords in Journ. of Conch. IT, p. 22. 
— — — VerkrÜzEen, Bes. Gr. Bank v. Neufundland #7 Jahrb. d. Malak. Ges. VII, 
P 07: 
—= (Lophyrus) albus Lin., Jerrrevs, Proc. Zool. Soc. of London, p. 669. 
— (Lepidopleurus) albus Lin., Cooxe, Macandrew Collect. in Journ. of Conch. ITT, p. 360. 
Lophyrus albus Lin., Van Liorx pe Jeune, Moll. Willem Barents, p. 3. 
Trachydermon albus Lin., Busx, Catal. Moll. Labrador in Proc. U. S. Nat. Mus. VI, p. 247. 
— — — Verrizz, Second Catal. Moll. New England in Trans. Connect. Acad. VI, 
D 
= = — Verrizz, « Albatross » Exp. in Rep. Fish and Fisheries, p. 570. 
on —  — Krause, Moll. Fauna d. Beringsmeeres in Arch. f. Naturg. LI, p. 256. 
Lophyrus albus Lin., Aurivicrius, Üvers. « Vega» Exp., p. 317. 
Chiton albus Lin., HerzensreIN, Murmanküste, p. 666, 723. 
—  (Lophyrus) albus Lin., SParrE-ScHNetDEr, Tromsôsundets Fauna, p. 08. 
Lophyrus albus Lin., Aurivirrius, Hafsevert. Nordlig. Tromsô, p. 23. 
— —  — DE GUuERws, Le Varangerfjord, p. 15. 
— = — Krauss, Mar. Fauna nôrd. Norw., p. 16. 
Chiton oniochien) albus Lin., Partez, Catal. Conçh. Samml. I, p. 609. 
—  albus Lin., Norman, Mus. NAT ane INDE 
— — + ro Mar. Sh. of N. Wales Fe The Conchologist, f, p. 3 
—  (Lophyrus) albus Lin., SPARRE-ScHNEIDER, Malangenfj. Moll., p. 90. 
Krause, Moll. v. Ostspitzbergen in Zool. Jahrb. VI, p. 348. 
Ischnochiton { Trachy dermon) albus Lin., Picsery in TrvoN, Man. of Conch. Struct. and Syst. XIV, 
p. 70, pl. 7, fig. 35 à 38. 
Trachydermon albus Lin., Picssry 17 Tryon, Man. of Conch. Struct. and Syst. XV, p. 64. 
— —  — Norman, À month on the Trondhjem Fiord in Ann. and Mag. of Nat. Hist. 
+ 6th Ser. XII, p. 361. 
—  — Svxes, Brit. Chitons in Proc. Malac. Soc. I, p. 36, 37. 
Chiton Er Lin., Possezr, Ostgrgnlandske Moll. 7 Meddel. om Coaalandi XIX, p. 77. 
— lea albus Lin., Possecr-Jensen, Conspect. Faunae Grœnl., p. 107. 
Trachydermon albus Lin., nas et GRieG, Norw. North Atl. Exp. III, p. 54. 
Ischnochiton albus Lin., Knrrowirscx, Russ. Exp. Spitzbergen in Ann. Acad. St-Petersb. VI, p.437, 438. 
Craspedochilus albus Lin., Caaster, Mervizc, Knicur, Hoyre, List. of Brit. mar. Moll. #7 Journ. of 
Conch. X, p. 10 
Chiton (Craspedochilus) albus Lin., Byne et Lercesrter, Isle of Man Moll. in Journ. of Conch. X, p. 76. 
Trachydermon albus Lin., Norman, Nat. Hist. of East Finmark #7 Ann. and Mag. of Nat. Hist, 7th 
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