GASTROPODA (PECTINIBRANCHIA) . 
Moll . 39 
= bicarinata (Kobelt), Iceland, 10-20 fath., var. borealis (Philippi, 
Fusus ), = Fusus fornicatus (Reeve), Spitzbergen ; id. 1. c. pp. 9 & 10, 
embryonal shell of the latter, pi. i. fig. 7. 
Neptunea lurida and plicata (A. Ad.) ; Danker, Moll. Jap. p. 14, pi. iii v 
figs. 1-4, Japan. 
Fusus ( Neptunea ) dalli, Fiji, and futile [-is], between Kerguelen and 
Heard Islands, 150 fath., spp. nn., Watson, J. L. S. xvi. pp. 379-381. 
[Neptunea ?] Fusus corpulentus , sp. n., E. A. Smith, Ann. N. H. (5) ix. 
p. 344, woodcut, locality unknown. 
Jumala , g. n. Median plate of the radula small, four-sided, without 
cuspids ; lateral plates with a large external cusp and two smaller 
ones. Fusus turtoni (Bean, Fusus ) and ossiani (Friele, 1879, Neptunea ), 
Sea of Norway. Friele, l. c. pp. 6 & 7 ; shell, operculum, and ovicap- 
sule of the second, pi. i. fig. 6 ; radula of both species, pi. iv. figs. 1-3 & 
4-7. 
Troschelia (Morch, 1876) berniciensis (King, Fusus), Northern Norway; 
its P ovicapsule and embryo. Friele, l. c. pp. 25 & 26, pi. iii. fig. 12. 
Siphonorbis (Morch), subg. of Neptunea, apex depressed, embryonal 
shell with narrow, gradually diminishing whorls. N. (&) ebur (Morch) 
=• Trophon sarsi (Jeffr.) = Fusus mcebii (Dunker & Metzger), N. ( S .) 
fusiform'is (Brod., Buccinum) — F . fenestratus (Turt.), dalli, sp. n., Arctic 
Sea between Norway, Beeren Island, and Spitzbergen, turrita (Sars) = 
tortuosa (Kobelt), lachesis (Morch) with var. n. bicarinata , Arctic Sea, 
358 fath., undulata, sp. n., near Beeren Island, 190 fath., and danielsseni 
(Friele). Friele, l. c. pp. 17-23 ; shells, operculum, embryonal whorls, and 
ovicapsules of some of them, pi. ii. figs. 18-35, pi. xix. figs. 1-6 ; dentition, 
pi. v. figs. 1-13. 
Mohnia (Friele), subg. of Neptunea, operculum spirally twisted, median 
plate of the radula unidentate, laterals bidentate. N. (M.) mohni (Friele), 
cold area of the Northern Sea, at a depth of from 600-1300 fath. Friele, 
l. c. pp. 5, 24 & 25 ; shell, operculum, and embryonal shell, pi. iii. figs. 
7-11 ; dentition, pi. v. figs. 14 & 15. 
Pseudoneptunea , v. Fusus ( Fasciolar iidue ). 
Pyrulafusus deformis (Reeve, Fusus). Friele, l. c. p. 8 ; operculum, 
pi. i. fig. 8 ; radula, pi. iv. figs. 11-13. 
Siplionalia longirostris , sp. n., Dunker, Moll. Jap. p. 16, pi. i. figs. 13 & 
14, Japan. 
Neptunea ( Sipho ) islandica (Chemn.), turgidula (Jeffr.), gracilis (Da- 
costa) = S. glaber (Yeikruzen), hanseni (Friele), virgata (Friele), curta 
(Jeffr.), with many synonyms, h'ceyeri (Moller) = arctica (Phil.), and 
latericea (Moller) = pellucida (Hancock). Friele, l. c. pp. 10-17 ; living 
animals, operculum, embryonal shells, and ovicapsules, pi. i. figs. 9-26, 
pi. ii. figs. 1-17 ; dentition, pi. iv. figs. 14-18, pi. vi. figs. 1-16. 
Sipho stimpsoni (Morch, 1867 ) =■ islandicus (Gould, Invert. Mass., nec 
L ) = curtus (Jeffr., 1867, pt.) = americanus (Bell), with varr. brevis and 
liratulus, Yerrill, Tr. Conn. Ac. v. pp. 499 & 500, foot-note ; S. pubescens , 
sp. n., — propinquus (Yerrill, 1878, nec Aider), S. sabinii (Gray), glyptus, 
sp. n , =■ latericeus (Verrill, 1880, nec Moller), parvus, sp. n., and ccelatus 
(Yerrill & Smith), New England, Yerrill, l. c., pp. 501-506, pi. xliii.,fig. 6, 
