[21] CHEMICAL COMPOSITION AND VALUE OF FISH FOR FOOD. 251 
No. LX XIV. “Cove” or Canned Oysters. 
Furnished by Mr. J. F. Ely, Baltimore, Md., May 24,1881. In an ac- 
companying letter, Mr. Ely says: “The oysters we steamers use are 
gathered from all points on the Chesapeake Bay and mouth of the 
Potomac River. There is no agency but heat applied in their prepara- 
tion.” We received as samples two cans, one half-pound and one pound 
can. The former conained 36, the latter 77 oysters. 
SCALLOPS (Pecten irradians). 
No. LI. Shelter Island, N. Y. 
Furnished by Mr. Blackford, March 15, 1881. The sample consisted 
not of the whole scallop, but of the part usually eaten—the adductor 
muscle—and, of course, contained no refuse. 
No. LXIII. Shelter Island, N. Y. 
Furnished by Mr. Blackford, April 26, 1881. 
LONG CLAMS (Mya arenaria). 
No. LXVII. Boston Harbor, Mass. 
Received from Messrs. Bunting & Warren, May 5, 1881. 
No. LXV. Napaug, L. I. 
Purchased in Middletown, April 28, 1831. 
ROUND CLAMS (Venus mercenaria). 
No. LXVI. Little Neck, L. I. 
Purchased in Middletown, April 28, 1831. 
LOBSTER (Homarus americanus.) 
No. L. Maine. 
Sample—two lobsters—furnished by Mr. Blackford, March 15, 1881. 
In separation of edible and refuse the weights of flesh, liquids, refuse, 
and loss in cleaning in the different parts of each animal were deter- 
mined as follows: 
A. B. 
| Grams. Grams. 
SOUT Ton OS GE Teese ene See ee ieee hares cee seein clelsiee wine woe afateeigea ite sai aeiecaiate 870. 0 1, 103. 0 
TIER HITEC] aiwiS eet ete Seen ee ey ee See CoS RLS soclte ef aetna <i> | 152. 5 219.5 
ORI TELA eo nee ee ee oe Ae ee ce ere oie s oS oa siateis sinjocirroieeimcisa'= in, =p2 138. 0 131.0 
Mesh PnAbOGY te comene ete n cate secak eee ee se asa atelasciviels a Sanielas esemiieie = cena none 118. 5 | 127.5 
Wiquids in, whole sample... ---- <0. --- .2se eee ci wean nae Saat teins se se nisin ase anes 54. 4 94.8 
Wiastemewhole sample. 9-20. coseitee sao seats ecm meena s omicael aaeicene= serie se 367.8 | , 499.5 
Loss in cleaning sample ....-----.------------0- cence nee cence eee e ne ce eden er eenees 38.8 30.7 
The liquids in all the lobsters on being exposed to the air quickly 
gelatinized, and were put with the flesh for analysis. 
No. LXII. Maine. 
Furnished by Mr. Blackford, April 26, 1881. 
