REPORT ON THE LAMELLIBRANCHIATA. 



13 



Station. — Off Marion and Prince Edward Islands in the Southern Ocean, south-east of 

 the Cape of Good Hope ; depth, 50 to 300 fathoms. 



Davila umhonata, n. sp. 

 Thracia meridionalis, n. sp. 

 Saxicava arctica, Linnd. 

 NecBva fragilissivia, n. sp. 

 Cryptodon marionensis, u. sp, 

 Astarte magellanica, n. sp. 

 Mytilus meridionalis, n. sp. 



CreneUa marionensis, n. sp. 



Modlolarca trajiezina, Lamarck, 



Dacrydium meridionals, n. sp, 



Limopsis marionensis, u. sp. 



Pecten distinctus, n. sp. 



Pecten avicidoides, n. sp. 



Lima {Limatula) pygmcea, Philippi. 



Station 146.— December 29, 1873; lat. 46° 46' S., long. 45' 31' E. ; depth, 1375 

 fathoms ; bottom, Globigerina ooze (Mid Southern Ocean). 



Pecten pudicus, u. sp. | Amussium meridionale, n. sp. 



Station. — Kerguelen Island; depth, shore to 120 fathoms; bottom, volcanic mud. 



Davila (?) umhonata, n. sp. 

 Anatina elliptica, jun. 

 Tliracia meridionalis, n. sp. 

 Necera kerguelensis, n. sp. 

 Kellia suhorhicidaris, Montagu. 

 Kellia cardiformis, n. sp. 

 Kellia nuculina. Martens, 

 Cardita astartoides, Martens, 



Mytilus kerguelensis, n. sp. 

 Mytilus magella n icus, Chemnitz. 

 Modiolarca trapezina, Lamarck. 

 Modlolarca kerguelensis, n. sp, 

 Yoldia isonota, Martens. 

 Yoldia subcequilctteralis, Smith. 

 Malletia gigantea, Smith. 

 Pecten clathratus, Martens, 



Lima [Limatula) pygmcea, Philippi. 



Station 150.— February 2, 1874 ; lat. 52° 4' S., long. 71° 22' E. ; depth, 150 fathoms; 

 bottom, coarse gravel (south-east of Kerguelen Island). 



Saxicava arctica, Linne. 

 Cardita astartoides, Martens, 



Mytilus meridionalis, n. sp. 

 Limoj)sis straminea, n. sp. 



Station 157.— March 3, 1874; lat. 53° 55' S., long. 108° 35' E.; depth, 1950 fathoms; 

 bottom. Diatom ooze (Mid Ocean, south-west of Australia). 



Lyonsiella papyracea, n. sp. | Silenia sarsii, n. sp. 



Necera meridionalis, n. sp. 



Station 158,— March 7, 1874; lat. 50° 1' S., long. 123° 4'E.; depth, 1800 fathoms; 

 bottom, Globigerina ooze (somewhat north-east of preceding Station). 



Amussium meridioncde, n, sp. 



