10 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



NUCULA QUIE1CA Dall, 1916. 



Proc. U. S. Nat. Mus., vol. 52, No. 21S3, p. 394. 

 Chugachik Bay, Cooks Inlet, Alaska. 



NUCULA PETRIOLA Dall, 1916. 



Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 395. 

 Off Santa Rosa Island, California, in 53 fathoms. 



NUCULA CARDARA Dall, 1916. 



Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 394. 



Monterey, California, to Lower California, in deep water. 



NUCULA LINKI Dall, 1916. 



Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 394. 

 Queen Charlotte Sound to Guaymas, Mexico. 



NUCULA DARELLA Dall, 1916. 



Proc. U. S. Nat. Mus., vol. 52, No. 2183, p. 394. 

 Off San Diego, in 822 fathoms. 



NUCULA. 



Bering Sea, 1,401 fathoms. 



NUCULA EXIGUA Sowcrby, 1832. 



Proc. Zool. Soc, p. 198.— Hanley, Mon. Nuculidae, pi. 4, fig. 13G. 

 Golden Gate to Acapulco. 



NUCULA CARLOTTENSIS Dall, 1897. 



Bull. Nat. Hist. Soc. Brit. Col., No. 2, p. 6, pi. 1, figs. 15, 1G. 

 Queen Charlotte Islands to Anacapa Island. 



Subgenus Acila H. and A. Adams, 1S58. 



ACILA CASTRENSIS Hinds, 1843. 



Proc. Zool. Soc, p. 98. — Hanley, Mon. Nuculidae, pi. 5, fig. 148. 

 Bering Sea to San Diego, California. 



Family LEDIDAE. 



Genus LEDA Schumacher, 1817. 



LEDA TAPHRIA Dall, 1897. 



Bull. Nat. Soc. Hist. Brit. Col., No. 2, p. 7, pi. 2, figs. 6, 8. 

 Bodega Bay, California, to Lower California. 



LEDA CELLULITA Dall, 1896. 



Nautilus, vol. 10, No. 1, p. 1 ; Bull. Nat. Hist. Soc. Brit Col., No. 2, p. 7, 



pi. 2, figs. 5, 7. 

 Puget Sound. 



LEDA ACUTA Conrad, 1831. 



Amer. Mar. Conch., p. 32, pi. 6, fig. 1. 



Nazan Bay, Atka Island, Aleutians, to Gulf of California. 



LEDA M1NUTA, Fabricius, 1776. 



Fauna Gronl., p. 414. — Hanley, Mon. Nuculidae, pi. 3, figs. 61, 62. 

 Arctic Ocean to San Diego, California. Also Atlantic. 



