- 18 — 



Macgiluvrvy, Moll. Aiiim. Aberdeen, 



p. G3, 170, {t. ipso). 



Michels, Sliells of Maine, p. 30 =z costel- 



latiis Coiith. 

 acuininala Jcffr., Brows, 111. Conch. Gr. Br. and Irel. 



2° cdit., Append., p. 126, pl. 07. 



lIiXDS, ^ oy. Sulpliur II, p. 'io, pl. \l, 



fiff. i3, 1^1. 



Hl^DS, Voy. Snlphur 11, p. 3<i, ]il. XI, 



ng. II, 12. 

 umbilicaliis Macg., Tiiorpe, Br. Mar. Conch., p. 209, 



lig. 5/1. 



LovEN, lad. Moll. Scand., p. i5. 



S. WooD, Crag Moll. p. 67, pl. Vil, fig. 



'7^ '7b; pl- XIX, fig. lia, iih. 



iS/|S. Trichotropis horealis Br. cl S., Alder, Calai. Northumb. and Diirh. 



p. G G. 

 18/19. — — MiDDEiNDORii-, Bcitr. Mal. Ross. II, p. 108. 



i85i. — — M. Sars, Bcretn. Zool. Reise in Nyt Mag. 



f. Naturv., p. 186. 



i85i. — — Petit de i.a Salssaye, Notice sur le 



g. Trichotropis in .1. de Conch. II, 

 p. 2/1 ziz costellatus Coulh. ^ acuniinatus 

 Jcffr. 



i85i. — — FoRHEs et HA?yLE\, Br. Moll. III, p. 3Gi, 



pl. Cl, lig. 5, 6 ; pl. I I, fig. I (animal). 

 i853. — — Grat, On the Division of Ctenobranchous 



Gastcr. Moll. in Pr. Z. S. L., p. 3S, /n, 



lig. 18 (radula). 

 i853. — — Br. et S., \N . Stimpson, .Synops. mar. Invert. 



of Gr. Manan, p. 2I1. 

 i855. Murex (Fnsus) — Br. et S., Clark, Brit. mar. test. Moll., p. 483. 

 i856. Trichotropis — Macaxdrew et Barrett, List Moll. obs. 



bctAv. Dronthcim and the N. Cape in Ann. 



and Mag. N. H., 2" ser. WII, p. 378. 

 i856-G3. — — Br. et S., Troschel, Das Gebiss der Schnecken 



I, p. i65, 248, pl. \IV, lig. i. 

 i858. — — M. Sars, Bidr. arct. Molluskf. Norges 



Nordsk. Kyst, p. 38. 

 i858. — — H. et A. Adams, Gen. of rec. Moll., I, 



p. 280, pl. 29, fig. G, G^, Gii. 

 1869. — — Br. et S., Dakielssen, Beretn. Zool. Reise,p. 32. 



1859. — -- SowERHY, 111. Ind. Br. Sh., pl. XVI, fig. 2G. 



1859. Trichotropis cancellatus Hinds, Gheinu, Man. de Conch. I, p. 278 et 



p. 279, fig. 1859. 

 1859. — horealis Gld., Chenu, ibid., p. 279, (ig. i858. 



