GASTROPODA (OPISTHOBRANCHIATA, PECTINIBRANCHIATA) . Moll. 79 
Tornatinid^. 
Volvula oxytata , sp. n., Bush, (60) p. 468, pi. xlv. fig. 12, 7-17 fath. ; 
V. minuta, sp. n., id. t. c. p. 469, pi. xlv. fig. 11, 14-16 fath. 
SCAPHANDRIDiE. 
Cylichna eburnea , sp. n., Verrill, (367) p. 428, pi. xliv. fig. 14, off Cape 
Hatteras, 70 fath. C. biplicata (Lea), figured by Bush, (60) p. 467, 
pi. xlv. fig. 14, off Cape Hatteras, 7-48 fath. C. ccelata , sp. n., id. t. c. 
p. 468, pi. xlv. fig. 15, 15-43 fath. 
Bullid^. 
Bulla candei, d’Orb., figured by Bush, (60) p. 468, pi. xlv. fig. 13. B. 
australis , G-ray, has erroneously appeared as B. australis , Q. & G-., and 
B. oblonga, A. Adams ; Brazier (51). 
Aplustrid^. 
Akera ( Bullina ) melinda , sp. n. (= Bulla lajonkaireana, Bast.) ; Gre¬ 
gorio, (145) p. 81. 
Bullina lineata (Gray), variously quoted as of Brit. Mus. and Wood, 
= B. undata , H. & A. Adams, and Aplustrum lineatum , Hutton ; Brazier 
(51). 
PhILINIDJ]. 
Philine sagra (d’Orb.) figured by Bush, (60) p. 467, pi. xlv. figs. 16 & 16a, 
off Cape Hatteras, 15 fath. P. polaris, sp. n., Berring’s Sea, Aurivillius, 
(9) p. 371, pis. xii. figs. 21 & 22, & xiii. fig. 18. 
Apltsiid^. 
Aplysiella ujebbii to be separated from Aplysia and brought nearer to 
Notarchus ; Vayssiere, (364) p. 71. Notarchus : anatomy [see p. 24]. 
Pleurobranceid m . 
Oscanius , Leach, recharacterized ; Vayssiere, (364) p. 121. 
Pleurobranchus americams, sp. n., Verrill, (367) p. 429, pi. xliv. fig. 13, 
off Martha’s Vineyard, U.S.A., 250 fath. 
PEGTINIBBANGEIA TA. 
TOXOGLOSSA. 
Terebridjj. 
Tryon (358) admits only the one genus Terebra (with the subgenus 
Euryta , Adams), in which he includes T. aciculata , Lmk., T. trilineata , 
