19 



85i(. Trichotropis borealis lîr. et S., Jefi-reys, Addit. Glcanings Hrit. Conch. 



in Ann. and Mag, N. H. 3" ser. III, p. lyS. 

 860. — — — MôRCH in VON Etzel, Beitr. I\ der Groenl. 



Weichth., p. Sg^- 



865. — — M. Sars, Foss. DyrelcMi. fra Qiiartaer- 



perioden, p. n^. 



866. — — Packard, Obs. Glac. Phcn. In\ . of 



Labrador, p. 289. 

 866 — — SowERBY, Thés. Concli. III, p .Sai, 



pi. 285, fig-. I, 2, 3. 

 8G7. — — Jeffrets, Brit. Concli. IV, p. a/iB, pi. IV, 



fi^. 2 ; V(i86ç)),p. 216, pi. LXXIX, fip- 



et var. aciiminata Jeffr. 



867. — — Jeffreys, /i"" Rep. dredff. Shetland l.sles, 



in Ann. and Mag. N. II., 3" ser. XX, p. 253. 



867. — — lîr. et S., ScHREXCK, Reisen und Forsch. im Amnr 



Lande, p. 601, 87/1 . 



868. — acuniinafn JefTr., Môrch, Faunula Moll. Isl. //) Vitlensk. 



Meddel., p. 208 rr borealis B. et S. 



869. — borealis Br. et S., Petit de la Salssaye, Gâtai. Test. 



mar., p. i58. 



870. — — GouLD et BI^NET, Inv. of Mass., p. 390, 



fi^. 05 1 . 



872. — — ScHMiDT, Mammnth Exp., p. 53. 



873. — canrtliculatiis Leach, VVeinkauff, Catal. eur. Meeres- 



Conch., p. i3, et var. acuminata Jeffr. 

 873. — borealis Br. et S., Trvon, Amer. mar. Conch., p. 22, 



pi. 4, fig 2 5 = costellatiis Cou th. 

 87/1. Trichotropis inermisWd»., Reeve, C. Icon., pi. II, fig. 11. 

 87/i. — borealis Reeve, C. Icon., pi. I, fig. 1", i\<, u-. 



877. — — Norman, Ten Days dredg. at Obaii in 



Quart. J. of G. I, p. 279. 



878. — — Lèche, Novaja Semlja, p. /|G. 



878. — — G.-O Sars, Moll. Reg. Arct. Norv . , 



p. i63, pi. VI, fig. 2 (radula); pi. Wlll, 

 fig. i3 (opercule). 



879. — — Norman, Moll. of Bergenfiords m J. of 



C. II, p. 28. 



881. — — Br. etS., Sp.-Schneider, Unders. arckt. fjorde, p. 26. 



882. — — C00KE, On the Macandrew Coll in J. of 



G. III, p. 371. 



883. — — Gld., Trvon, Struct. and Syst. Conch. Il, 



p. 223, pi. 67, fig. 53. 

 88i. — — Br.etS., Jeffreys, List of Sh. fr. the Basement 



Clay at Bridlington Quay m Quart. .lourn. 

 Geol. Soc, p. 319. 



