22 THE VOYAGE OF H.M.S. CHALLENGER. 



Station. — Admiralty Islands; depth, IG to 25 fathoms. 



Mactra [Trigondla) achatina, 

 Chemnitz. 



Mactra (Trigonella) incerta, 

 n. sp. 



Station 232.— May 12, 1875; lat. 35° 11' K, long. 139° 28' E. ; depth, 345 fathoms; 

 bottom, green mud (Gulf of Yedo, Japan). 



Limopsis pelagica, u. sp. 

 Nucula niponica, n. sp. 



Yoldia lischkei, n. sp. 

 Pecten vitreus, Chemnitz. 



Station. — Off Yokohama, Japan; depth, 8 to 14 fathoms. 



Raeta pulchella, A. Adams and Eeeve. 



Station 233a.— May 10, 1875; lat. 34° 38' N., long. 135° 1' E.; depth, 50 fathoms; 

 bottom, sand (between the islands of Sikok and Nipon, Japan). 



Venus (Chione) scahra, Hanley. 

 Tapes {Chione) undulata, Born. 

 Modiola harhata, Liune. 

 Area (Maerodon) dalli, n. sp. 



Nucula (Acila) mirahilis, Adams 



and Eeeve. 

 Pecten (Janira) laqueatus, 



Sowerby. 



Anomia laqueata, var. 



Station 233c.— May 28, 1875; lat. 34° 18' K, long. 133° 21' E.; depth, 12 fathoms; 

 bottom, blue mud (same as preceding Station). 



Paeta pulchella, Adams and Eeeve. 



Station 236.— June 5, 1875; lat. 34° 58' N., long. 139° 29' E.; depth, 775 fathoms; 

 bottom, green mud (south-east of Nipon, Japan). 



Lima goliath, Sowerby. 



Station 244.— June 28, 1875; lat. 35° 22' N., long. 169° 53' E.; depth, 2900 fathoms; 

 bottom, red clay (Mid North Pacific Ocean). 



Semele (Abra) profimdorum,!!. SI). | Callocardia {?) pacifica, n. sp. 



Station 246.— July 2, 1875; lat. 36° 10' N., long 178° E.; depth, 2050 fathoms; 

 bottom, Globigerina ooze (Mid North Pacific Ocean). 



Area [Barhatia) pteroessa, n. sp. | Nucidd profundorum, n. sp. 



Sarep)ta ahyssicola, n. sp. 



Station. — ^Honolulu, Sandwich Islands (off the reefs in 40 fathoms). 



Circe jucunda, n. sp. 

 Ervilia sandwichensis, n. sp. 



Liicina (Codakia) hawaiensis, n. sp. 

 Julia exqu'isita, Gould. 



