FISHERIES OF THE UNITED STATES. 43 



Vll. MARSIPOBRANCHIATES. 



Order, IIYPEROARTIA. 

 petro:?iy zoxtid.«. 



PETROMYZON AM EEICAXUS.— Lamprey Eel. 



Color sketches. (Richard.) U. S. Fish Coiuuiissou. 



INVERTEBRATES. 

 I. MOLLUSKS. 



Note. — As a matter of convenience all invertebrates, except oysters, 

 are aranued in Section E of this catnlo^ne. The collections of economic 

 invertebrates were prepared by ^Ir. William H. Dall for the International 

 Exhibition of 187G in Philadelphia, and the arrangement is that pro- 

 posed l).v him. 



Order, ACEPIIALA. 



OSTREA: YIRGIXICA, Gmelhi.— East American oysters. 

 1. Series illustrating" geographical distribution. 



:52784. Northern variety (O. boiralis. Lam.) I'riuee Edward's Island. J. W. 

 Dawson. 



32813. Nova Scotia. .1. 11. Willis. 



32785. Shediac, New Brnuswick. W. H. Dall. 



33U92. " Pourrier Bed." Shediac, New Brunswick. G. F. Mathew. 



33093. "Buctouche." Kent County, New Brunswick. G. F. Mathew. 



32783. Mirauiichi River, New Brunswick. W. H. Dall. 



32977. Indigenous oyster, now extinct. Shell-heaps. Daniariscotta, Maine. 



Robert Dixon. 



32978. Ditto. Shell-heaps. Sbeepscot River, Maine. Robert Dixon. 



32810. Indigenous oyster (v.nr. horealis). Buzzard's Bay, Mass. Dr. Wm. 

 Stinipson. 



32814. Specimens showing color-bauds. Rhode Island. General Totten, 



Note. — The following series of oysters from the vicinity of New York 

 were furnished Ijy Mr. B. .1. M. Carley, oyster-dealer, of Fulton Mar- 

 ket, New York, tlirough Mr. E. G. Blackford: 



32790. "Greenwich." Grcenwicli, Conn. 

 32777. "Blue Point." Long Island, New York. 

 32779. "Lloyd'.s Harbor." Long Island, New York. 

 32781. " Cow Bay." Long Island, New York. 



32791. "Glenwood." Glen wood. Long Island, New York. 

 32812. "Cove." Long Island, New York. 



32920. "City Island." Long Island Sound, New York. 



