646 



REPORT 1863. 



1666. Ostrea var. laticaudata, Nutt. MS. Purple, winged, waved: denticles near 



hinge. Passes towards palmula, Maz. Cat. no. 214, b. 

 166e. Ostrea ? var. rt(foidesrufa, Gld. (non Lam.). Passing towards Virginica, j un. 



Thin, with umbos hollowed j reddish in scar-region. Also fossil. 

 IQQd.Ostrea Pvar. expansa. Flat, affixed to whole surface, like Columbiemis. 



Round, or winged to left, or right, or both, like Malleus. Also passes into 



167. Ostrea conchaphila, Cpr. Maz. Cat. no. 214. From Southern fauna. 



Family Anomiadee. 



168. Placunanomia macroschisma, Desh. Kamtschatka. Vars. alope-\-cepio, Gray. 



Shape most variable, according to station. Sculpture often obsolete. On 

 rock, between tides, Lord. 



169. Anomia lampe, Gray, Maz. Cat. no. 219. From Southern fauna. 



Class PTEROPODA. Family Hyalceidce. 



170. Cavolina telemus, Linn. = Hyalcea tridentata, Forsk. non Lam. Pelagic. 30-60 



fm. dead, Cp. 



[Other Pteropods were brought by the Brit. N. P. Boundary Survey, but may 

 have been collected on the voyage : v. p. 607.] 



Class GASTEROPODA. 



Subclass OPISTHOBBANCHIATA. Order TECTIBRANCHIATA. 

 Family Btdlidce. 



171. Sulla nebulosa, Gld. Otia. Large, globular, thin. Maz. Cat. no. 225 -f- var. 



fulminosa, Cp. 



172. fiul'a Quoyi, Gray. Small : angular at umbilicus. Maz. Cat. no. 226. Pacific. 



173. Haminea hydatis, Linn. auct. Exactly accords with European specimens. 



174. Haminea vesicula, Gld. Otia. Smaller, paler, and thinner. 



175. Haminea virescens, Sby. Gen. ~Vai\ = cymbiformis, Maz. Cat. no. 229. 



Family ?Philinides. 

 Two species not yet dissected : one with internal shell like Phaneroj)lithalmus. 



Family Tornatellidce. 



176. Tornatella punctocalata, n. s. Small : grooved with rows of dots : pillar twisted 



as in Buttina, Add. non Gray. 



Family Cylichnidee. 



177. Tornatina culcitella, Gld. Otia. Large, brownish, with faint striae. Fold close 



to paries. 



132 



