512 
A. E. Verr ill ■— Catalogue of Marine Matin sea. 
Fusus ( Tritonofusus) syrtensis (Packard), p. 511. 
Fusus (Tritonofusus) Kroyeri (Moll ), p. 510. 
Fusus ( Chrysodornus ) Ossiani (Friele), p. 509. 
Fusus (Neptunea) despectus (Linne), p. 499. 
Variety, tornatus (Gould), p. 499. 
Fusus (Neptunea) decemcostatus (Say), p. 499. 
Fusus ( Yolutopsis ) Norvegicus (Chernn.), p. 51 L. 
The genus Fulgur (including Sycotypus Gill, non Gray) is closely allied to the pre- 
ceding forms. It includes two common New England species : F. carious and F. 
canaliculatus. 
Nassa nigrolabra Verrill. 
Nassa nigro-labra Verrill, Proc. U. S. Nat. Mus., iii, p. 371, 1880. 
Plate LVIII, figcre 12. 
Off Martha’s Vineyard, station 870, in 155 fathoms; one specimen. 
This species was referred tu Nassa, only provisionally. The animal 
is not known. 
A single fresh, but dead, specimen of a cancellated Nassa , resem- 
bling N. incrassata , of Europe, was dredged by us, oft’ Halifax, in 
1877. It may have been a ballast-specimen. 
Trophon clathratus. var. Gunneri (Loven). 
Tritonium Gunneri Loven, Index Moll. Lit. Scand. occid. hab., Ofversigt Kongl. vet. 
Akad. Forh. [p. 12], 1846. 
Murex ( Trophon ) Gunneri Morch, Faunula Ins. Faeroensium, Vid. Med. Nat. For., 
1867, p. 84. 
Trophon Gunneri H. and A. Adams, Genera, i, p. 77, 1858. 
Verrill. Amer. Journ. Sci., v, p. 6, 1873. 
Trophon clathratus , var. Gunneri G. 0. Sars, Fauna Reg. Arct. Norvegia?, p. 247, pi. 
15, figs, 11, a, h. 
Plate XLIII, figcre 8. 
Le Have Bank, 45 and 60 fathoms, Smith and Ilarger, on the 
“ Bache,” 1872. Off Cape Sable, X. S., 59 fathoms; mouth of Hali- 
fax harbor, 16 and 18 fathoms, 1877, — U. S. Fish Com. steamer 
“Speedwell.” Gaspe Bay! (coll. Whiteaves). Metis! both forms, 
(coll. Dawson). 
This is an arctic species, probably circumpolar, found at Greenland, 
Iceland, Nova Zembla, and the extreme northern parts of Europe. 
Finmark, — Loven, Sars ; Bergen, — Norman; Kariska Sea, 10 to 20 
fathoms, — Leche. 
By Jeffreys, G. O. Sars, Leche, and others this shell has been 
regarded as a mere variety of T. clathratus (Linne) — T. scalar if orme 
Gould. Among a considerable number of specimens that I have ex- 
amined from American waters I have seen few intermediate speci- 
