38 Moll. 
MOLLUSCA. 
prcelatus (llwss.), not the pennaceus of subsequent authors ; Brauer, SB. 
Ak. Wien, Ixxvii. Abth. i. pp. 147 & 149. 
Conus pastinaca (Lam.) : critical note about it, three distinct species 
being united in the Delessertian collection tinder this name, by E. A. 
Smith, P. Z. S. 1878, pp. 731 & 732. 
Conus melvilli, Key West, carnalis, locality unknown, catenatus, 
Panama ?, spp. nn., Sowerby, P. Z. S. 1878, pp. 795 & 796, pi. xlviii. 
figs. 1-3. 
Conus andamanensis, sp. n., E. A. Smith, P. Z. S. 1878, p. 804, pi. i. 
figs. 1 & 1 a, Andaman Islands. 
Conus crosseanus (Bernard!), var. n. lineata, Crosse, J. de Conch, xxvi. 
p. 168, pi. iii. fig. 3, New Caledonia. 
Pleurotomid^. 
Pleurotoma novaia-semliensis, sp. n., impressa (Beck), pyramidalis 
(Strom) var. n. jenisseensisj violacea (Mighels) var. n. mcerchi = gigas 
(Verkruzen)|and var. gigantea (Morch), Novaya Zemlya and Kara Sea, 
Leche, Sv. Ak. Handl. xvi. (2) pp. 63-57, pi. i. figs. 15-19. P. pyramidalis^ 
var. n. Icsvior^ and violacea, var. n. hrevis, id. 1. c. pp. 55 & 56, Novaya 
Zemlya. 
Pleurotoma incrassata (Brocchi) = maravignce (Bivona) recent in the 
Mediterranean, Island Galita ; Issel, Ann. Mus. Genov, xi. p. 420, 
woodcut. 
Pleurotoma studeriana, sp. n., Martens, SB. nat. Fr. 1878, p. 22, Ker- 
.guelen Island, 120 fath. 
Pleurotoma {Candelalrum) cathedralis, sp. n., Dali, Bull. Mus. C. Z. v. 
p. 61, Gulf of Mexico, below 200 fath. (Not described.) 
Pleurotoma {Drillia') wilmeri. sp. n., and variahilis (E. A. Smith, 1877) ; 
E. A. Smith, P. Z. S. 1878, p. 805, pi. 1 . figs. 2-4, Andaman Islands. 
Drillia tricarinata^ sp. n., Tenison- Woods, P. Linn. Soc. N. S. W. ii. 
p. 265, Port Jackson Heads, 45 fath. 
Drillia cheesemani, sp. n., Hutton, J. de Conch, xxvi. p. 16, New Zea- 
land. 
Clathurella leufroyi (Mich.) ; radula, Sars, Moll. arct. Norveg. p. 348, 
pi. viii. fig. 2 ; in (7. linearis (Mont.) no radula was found. 
Mangelia nebula (Mont.), hrachy stoma (Phil.), attenuata (Mont.), and 
costata (Donov.), radula ; id. 1. c. pi. yiii. figs. 4-7. 
Raphitoma (Bellardi) restricted by G. O. Sars to the species which show 
only spiral sculpture, in opposition to Clathurella, in which the plaited or 
latticed species will remain ; outer margin of the aperture simple, with a 
deep notch near the suture ; no radula could be found. Type, R. anceps 
(Eichwald) = Pleurotoma boreale (Loven) = Defrancia teres (Forbes), 
Lofoden Islands, 200-300 fath., and amcena, sp. n., Finmark, 60-110 fatK 
Sars, Moll. arct. Norveg. pp. 218-220, pi. xvii. figs. 9 & 10. 
Taranis mcerchi (Malm, as Trophon) ; Sars, Moll. arct. Norveg. p. 220, 
pi. xvii. fig. 7, Coast of Norway from Vadso to Christiania. 
Thesbia (Jeffreys, MS.), g. ii. Shell thin, nearly smooth, apex irregu- 
larly twisted, outer lip of the aperture thin with distinct notch, and short 
