'62 BULLETIN OF THE NATURAL HISTORY SOCIETY. 
for this purpose. Many other minor conditions are also 
favorable, and there is an immense market both in Canada 
and the United States, for many times the quantity now 
produced. 
The Oyster has but few uses aside from those mentioned. 
Its shells are used in Oyster-culture, to spread on the beds for 
the young to attach themselves to, and they are also much 
used in road -making in parts of the United States, and they 
have even at times been burned for lime. 
Works of Reference. 
»(a) General. 
Oyster. By J. T. Cunningham and T. Brown Goode. 
Encyclopaedia Bntannica, 9th Ed., Vol. XVIII., 
1885, pp. 106-110. 
Fisheries Exhibition Literature, London, 1884, Vols. 
V., VI. and XI. 
Natural History of Useful Aquatic Animals, Washing- 
ton, 1884, 4°, pp, 771-758. 
Fishery Industries of the United States, Washington, 
4°, Vol. II., Section V,, pp. 507-565. 
Reports of the Maryland Oyster Commission. 
. (b) Anatomy and Development, etc. 
The Oyster, Clam, and other common Mollusks. By 
A. Hyatt. Boston, 1884. 65 pp. Several plates. 
The Development of the American Oyster. By W. K. 
Brooks. Studies from Biological Lab, Johns- 
Hopkins Univ., IV., pp. 1-104. 
Report on New York Fisheries for 1884. New York, 
1884. 
>-(c) Oyster-culture. 
Oyster-culture. By W. F. G. Shanks. Lippincott’s 
Magazine, Vol. XXVII., 1881, pp. 479-492, cuts. 
[Good popular account at that date.] 
Bulletins of the United States Fish Commission from 
Vol. I., 1881, up to the present. [Contain records 
of culture in America and translations of foreign 
works.] 
