REPORT 18G3. 



Order PECTINIBRANCHIATA. 



Suborder ROSTIUFERA. 



Family 



Crucibulum spinosum, Sby. Maz. Cat. no. 344. From Southern fauna. 

 Crepidula aculeata, Gmel. Maz. Cat. no. 334. From Southern fauna. Round 



the world. 

 Crepidula ? dorsata, Brod., var. lingulata, Gld. E.E. = var. Wofaita, Ma/. Oat. 



no. 336= C. bilobata, Rve. Appears identical with the S. American shells. 

 Crepidula excavata, Brod. Maz. Cat. no. 337. S. American. 

 Crepidula adunca, Sby. Tar\k.=solida, IIds.=rostrifonms, Gld. E.E. Dark 



liver, rough epidermis, solid deck with produced sides. [Not uncata, Mke.= 



rostrata, C. B. Ad., Rve.=acfemca, Maz. Cat. no. 3o8.J .Between tides, Lord] 



10 fm. Cp. 

 Crepidula rugosa, Nutt. P. Z. S. 1856, p. 224. Probably northern var. oi unyx, 



Sby. Maz. Cat. 340, with epidermis less shaggy. 

 Crepidula navicelloides, Nutt. Shape of squama, with nucleus of unrjuifonnis 



(Maz. Cat. no. 342). Rounded rar. in hollow bivalves=mw?y/i/-wi, Old. 



Var. drawn out in layers like Lcssomifimbriata, Rve. Var. elongated in 



crypts, scooped by crab or bivalve=erp/aata, Gld. =exudata, Nutt.=per- 



forans, Val. 

 Galerus fastigiatus, Gld. E.E. Like mamillaris, nucleus large, immersed. 



Large, in 8^-15 fm. Lyoll. 

 Galerus contortus, n. s. Whirls twisted : nucleus minute, prominent. 20-40 



fm, Cp. 



Family Capulida. 



Hipponyx cranioides, n. s. Large, rough, flat, intermediate between planatus and 

 Hipponyx antiquatus, Linn. Maz. Cat., no. 347. From Southern fauna. 

 Hipponyx serratus, Cpr. Maz. Cat. no. 346. From Southern fauna. 

 Hipponyx tunwns, n. s. Growth like Helcion : sculpture more open than 

 barbatus. 



Family Vermetidce. 

 ai8. Serpulorbis squamigerus, Cpr. P. Z. S. 1856, p. 226 (not Aides). Large, scaly. 



Verm, anellum, Morch, P. Z. S. 1861, p. 359, is perhaps the young. 

 319. Bivonia compacta, n. s. Entirely open within : but colour and growth like 

 31'U. I'etaloconchus macrophraqma, Cpr. Maz. Cat. no. 359. From Southern fauna. 

 321. Spiroglijphus litwlla, Moich, P. Z. b. 1861, p. 154 



140 



305. 

 306. 



807. 



309. 



810. 

 311. 



812. 

 813. 



314. 

 315. 

 316. 

 317. 



