646 



REPORT 1863. 



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



hinge. Passes towBxAs pahniila, Maz. Oat. no. 214, 5. 

 VjQc. Ostrea ? var. rufoides=rufa, Old. (non Lam.). Passing towards Virginica,]\\n, 



Tliin, with lunbos hollowed ; reddish in scar-region. Also fossil. 

 \&}d.Ostrea ?var. expansa. Flat, affixed to whole surface, like Columhieiiais. 



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. 



F amil y AnomiadiB. 



168. Plaeunanomia macroschisma, Desh. Kamtschatka. Y!>.i&. = alope-\-cepio, Gray. 



Shape most variahle, according to station. Sculpture often ohsolete. On 

 rock, between tides, Lm-d. 



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



Class PTEROPODA. Family Hyalteidte. 



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 Sui'vey, but may 

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



Class GASTEROPODA. 

 Subclass Opisthobeanchiata. Order Tectibeanchiata. 



Family Bullidcs. 



171. Bulla nebulosa, Gld. Otia. Large, globulav, thin. Maz. Cat. no. 225+vaT. 



fulminosa, Op. 



172. Bul'a QHoi/i,Gri\j. Small : angular at umbilicus. Maz. Oat. no. 226. Pacific. 



173. Haminea hydatis, Linn. auct. Exactly accords with Eui^opean specimens. 



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



175. Haminea virescens, Sby. Gen. Ya,Y.=cymhifor7nis, Maz. Cat. no. 229. 



Family ?Philinidce. 

 Two species not yet dissected : one with internal shell like PhaneropUhalmus. 



Family Tornatellides. 



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



as in BuUina, Add. non Gray. 



Family Cylichnidm. 



177. Tornatina cidciteUa,<j\i^.0\A9.. Large, brownish, with faint strise. Fold close 



to paries. 



132 



