56 Moll 
MOLLUSCA. 
second article, tom. cit. pp. 251-295, pis. vi.-viii., treats of the fossil 
species. The living animal of R. auriculata, observed by B. Watson, 
resembles that of Actwon, posterior tentacular lobes folded [no oper- 
culum] ; J. de Conch, xxvi. p. 312, pi. x. fig. 4. 
Ringicula leptoclieila [^chila], sp, n., Brugnone, Misc. Mai. i. [1873] 
fig. 18, Magnisi, Sicily. 
Bullidas. 
Atys utriculus (Brocchi), radula; Sars, Moll. arct. Norveg. pi. xi. fig. 2. 
Cylichna insculpta (Totten) var. n. valida = solitaria (Gould), C. rein- 
hardti (Moller) = occw (Mighels) and scalpta (Reeve), Novaya Zenilya, 
Leche, Sv. Ak. Handl. xvi. 2, pp. 62 & 63, the two latter, pi. i. figs. 21 
& 22 . 
Cylichna propinqua (M. Sars) ; Sars, 1. c. p. 284, pi. xviii. fig. 5 ; radula, 
pi. xi. fig. 5. 
Utriculus truncatulus (Brug.) va,v. pellucida (Bvown), nitidulus (Lov.), 
umhilicatus (Mont.), = Cylichna strigella (Lov.), conulus (Desh.), per- 
tenuis (Mighels) = Bulla semen (Reeve) with var. turrita (Moller), and 
obtusus (Mont.), Sars, 1. c. pp. 285-288 & 349, pi. xvii. figs. 17-20, & 
pi. xxvi. figs. 2 & 3 ; radula of the three former and the fifth, pi. xi. 
figs. 6-9. 
Utriculus minutissimus (Martin, MS.), sp. n., Monterosato, J. de Conch, 
xxvi. p. 159, Palermo. 
Utriculus semen (Reeve) var. n. elongata, Kara Sea ; Leche, Sv. Ak. 
Handl. xvi. 2, p. 71. 
Utriculopsis densistriata, sp. n., id. 1. c. p. 74, pi. i. fig. 20, Kara Sea, 
9-70 fath. 
Diaphana (Brown) = Amphisphyra (Lov.), D. hyalina ('J’urt.) = 
dehilis (Gould), expansa (Jeffr.), glohosa (Lov.), and hiemalis (Gould); 
Sars, 1. c. pp. 288-291, pi. xviii. figs. 1-4, 2 and 3 from living animals; 
radula of all three, pi. xi. figs. 10-12. 
Acera hullata (Miill.), radula ; id. 1. c. pi. xii. fig. 17. 
Scaphander puncto-striatus (Mighels) = lihrarius (Loven) ; id. 1. c. 
p. 292, pi. xviii. fig. 6 ; radula, pi. xi. fig. 14. 
Philine fragilis, Finmark, cingulata and velutinoides, Lofoden Islands, 
spp. nn., scahra (Miill.), catena (Mont.), loveni (Malm), finmarchica (M. 
Sars), vitrea (M. Sars, as Utriculopsis) ^sinuata.{^i\m^s.')^quadrata (Wood) 
= scutulata (Loven), lima (Brown) = lineolaia (Couth.) and pruinosa 
(Clark), with a synoptical table of these species ; Sars, 1. c. pp. 293-302, 
pi. xviii. figs. 8-13, & pi. xxvi. figs. 5-10; radula, pi. xii. figs. 1-14, of P. 
aperta (L.), pi. xi. fig. 15. 
Colpodaspis pusilla (M. Sars), radula; id. 1. c. pi. xii. fig. 15. 
Colohocephalus costellatus (M. Sars), radula ; id. 1. c. pi. xii. fig. 16. 
Lopuocercjdas. 
Oxynoe olivacea (Raf.) = Lophocercus sieholdi (Krohn), now rather 
common at Palermo ; Monterosato, J. do Conch, xxvi. p. 158. 
