644 



REPORT 18G3. 



NuttJJew. B. A. 



Smiths. In-. 



Ken. 



Lord. Swan. 



Cooper. 



133 b. Modiola var. flabellata. . 



134. Adula falcata 



135. stylina 



136. Lithophagus plumula. . . . 



137. attenuatus 



138. Modiolaria laevigata 



139. marmorata 



140. Crenella decussata 



141. Area multicostata 



142. Barbatia gradata 



143. Axinaea intermedia 



144. var. subobsoleta 



145. Nucula tenuis 



146. Acila castrensis 



147. Leda cselata 



148. cuneata 



149. minuta 



150. fossa 



151. hamata . 



M 



M 



VP 

 FM 

 OFM 



M 



H 



\) 



GDI 



V 



D 

 MDI 



I 



MD 

 MDI 



BI 



133 b. Modiola v&x.flabellata, Gld. Northern form, somewhat broader. 



134. Adula falccita, Gld. Otia. Subgenus enlarged to include species intermediate 



between Modiola and Lithophagus : shape of latter, byssiferous like former, 

 nestling in crypts. Sp. = Gruneri, Phil. MS. Shape not always falcate: 

 chestnut, rugose. 



135. Adula stylina, n. s. Shorter, broader ; epidermis brown, glossy. 



136. Lithophagus plumula, Hani. Maz. Cat. no. 175. From Southern fauna. 



137. Lithophagus attenuatus, Desh. Maz. Cat. no. 173. From Southern fauna. 



138. Modiolaria lavigata, Gray. Exactly accords with Atlantic specimens. Cir- 



cumboreal. 



139. Modiolaria marmorata, Fbs. & Hani. Exactly accords with Atlantic speci- 



mens. Circumboreal. 



140. Crenella decussata, Mont. Exactly accords with Atlantic specimens. Circum- 



boreal. 10-40 fin. not r. Cp. 



Family Arcadcz. 



141. Area multicostata. Sbv. Maz. Cat. no. 181. ( -& a , v ,. 



142. Xarbatia gradata, Sby. Maz. Cat. no. 194. f From Southem fauna - 



143. Aiinaa intermedia, Brod. = Harbarensis, Conr. fossil. Closely accords with 



the Peruvian specimens. 40-60 fm. Cp. 



144. A'rinnea (? septentrionalis, Midd. var.) subobsoleta. Sculpture much fainter than 



in Middy's fig. 



Family Nucididas. 



145. Nucula tenuis, Mont. auct. Agrees with var. lucida, Gld. Circumboreal. 



146. Acila castrensis, lids. Sulph. +?//&, Baird. Subg, of Nucula with divari- 



cate sculpture ; only known in Crag and N. Pacific. 40-60 fm. Cp. 



147. Leda ccdata, lids. Sulph. Swollen, strongly sculptured : teeth veiy numerous. 



10-60 fm. Cp. 



148. Leda cuneata, Sby. D'Orb. testeHanl. {Scarcely differs from commutata, Phil. 



in Mus. C\im.) = inoniata, A. Ad. Chili. 0-60 fm. Cp. 



149. Leda minuta, O. Fabr. teste Hani. Circumboreal. Agrees with Norwegian 



specimens of " caudata, Don." teste M'Andr. 



150. Leda fossa, Baird, P. Z. S. 1863, p. 71. Between minufa and jwntefa. Sculp- 



ture nearly obsolete. 



J61. Leda hamata, n. s. Like Stcenstrvpi and permdoides, but very hooked, sculp* 

 ture strong. 20-60 fm. c. Cp. 



130 



