NO. 7 PROTECTIVE ADAPTATIONS McATEE 185 



enemies; predacious beetles, mites, and dipterous parasites also 

 numbered among their foes. Bibliography which is abstracted in 

 the paper. 

 Bishop, Sherman C. 



1921. The map turtle, Craptciiiys (jcographica (Le Sueur) in New York. 

 Copeia, no. 100, pp. 80-81, Nov. 15. Feeding on Vn'w comphinatus. 

 Churchill, E. P., and Lewis, Sara I. 



1924. Food and feeding in fresh-water mussels. Bull. U. S. Bur. Fisheries, 

 vol. 39, 1923-1924, pp. 439-471, figs. 1-26. Protozoa, diatoms, other 

 algae, organic detritus. Bibliography on the foofl of fresh-water 

 mussels, and upon that of lamcllibranchs in general. 

 CooKE, A. H. 



1895. [Enemies of molhisca.] Cambridge Nat. Hist., vol. 3, pp. 56-62. 

 Birds, rats, frogs, toads, beetles, mongooses, monkeys, walruses, 

 whales, fishes, other mollusks, trematodes, nematodes, and mites. 

 Dyoiie, L. L. 



1903. Notes on the food habits of California sea-lions (Zalophus califonii- 

 anus Lesson.) Trans. Acad. Sci. Kansas, 1901-1902, pp. 179-182. 

 Food found in numerous stomachs, chiefly squids. 

 Federichi, Henry. 



1930. Control of the common oyster drill. Econ. Circ. 70, U. S. Bur. Fish- 

 eries, 7 pp., 5 figs. JJrosalp'inx cmcrca " destroys oysters to the 

 value of several million dollars annually in the United States " 

 (p. I). 

 F1EL11, Irving A. 



191 1. The food value of sea mussels. Bull. U. S. Bur. Fisheries, vol. 29, 

 1909, pp. 85-128, pis. 18-25. Food (pp. 92-95), mostly diatoms 

 and Protozoa. Enemies (pp. 95-97), are numerous, fishes, mollusks, 

 sea-stars, crows, rats, parasitic crabs. 

 Forrest, H. E. 



1927. Fishes, Caradoc and Severn Valley Field Club, record of bare facts 

 for the year 1926, p. 19. Stomach of an eel (AnguUla vulgaris) 

 from the Severn was full of small bivalves (Sphacrium corneniii). 

 Herrington, Wm. C. 



1930. The Pismo clam. Fish. Bull. 18, California Div. Fish and Game, 

 69 pp., 16 figs. Tivcla stitltonnn — birds, rays, starfish, and marine 

 snails are enemies (pp. 52-54). 

 MooKE, H. F. 



1908. Volumetric studies of the food and feeding of oysters. Bull. U. S. 

 Bur. Fisheries, 28. pp. 1297-1308, pi. 125, 6 figs. Ninety-five per 

 cent diatoms ; remainder of equally minute plants and animals. 

 Ritchie, J. 



1927. A remarkable whale invasion. Scottish Nat. 1927, pp. 161-163. A 

 school of false killers {Pscudnrca crasshlcns) visited the Dornoch 

 Firth in October, 1927, and some of them ran aground there. 

 This whale is very rare, and had hardly been seen anywhere for 

 80 years (a few appeared ofif Western luu'ope in 1861 and 1862, 

 and it was also seen in Tasmania). Kxamination of tlicsc whales 

 showed they feed mainly on large cuttlefish. 



