184 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 85 



ARACHNIDA 

 BiLSING, S. W. 



1920. Quantitative studies in the food of spiders. Ohio Journ. Sci., vol. 20, 

 no. 7, pp. 215-260, May. Summarizes a large number of observa- 

 tions on prey actually seen eaten by spiders, and upon insects 

 found in their webs ; gives also some experimental results. 

 Calvert, Philip P. 



1923. Studies on Costa Rican Odonata. X. Megaloprepns, its distribution, 

 variation, habits, and food. Ent. News, vol. 34, no. 6, (Food), 

 pp. 171-174, June. Feeds on spiders. 

 LiNCECUM, G. 



1867. The tarantula killers of Texas. Amer. Nat., vol. i, no. 3, pp. 137-141. 

 May. Pompilus formosus Say feeds on Mygale hent:;ii and other 

 large spiders. 

 LOVELL, J. H. 



1915. Insects captured by the Thomisidae. Can. Ent., vol. 47, no. 4, pp. 115- 



116, pi. 2, Apr. Crab spiders prey upon butterflies, dragonflies, 

 wasps, bumble bees, honey bees, and large flies. 



McAtee, W. L. 



1911. Bird enemies of the Texas-fever tick and other ticks. The Auk, vol. 

 28, no. I, pp. 136-138, Jan. A resume of seven publications on the 

 subject; of the birds mentioned, 12 species are inhabitants of the 

 United States. 



Savory, Theo. H. 



1928. The biology of spiders. 376 pp., 16 pis., i2X figs., London. Food 

 (pp. 1 16-125), flies, wasps, bees, ants, beetles, earwigs, butterflies, 

 moths, harvestmen, woodlice, and other spiders ; more rarely cater- 

 pillars, worms, fish, birds. " They show no trace of discrimination." 

 Enemies (pp. 176-179) include birds, toads, lizards, mammals, 

 harvestmen, spiders, wasps, and ichneumon flies, and other parasites. 



MOLLUSCA 

 Baker, F. C. 



1916. The relations of mollusks to fish in Oneida Lake. Techn. Publ. 



no. 4, New York State Coll. Forestry, 366 pp., 50 figs., one table, 

 one map, July. On pp. 154-218 is summarized information on food 

 of 54 species of fresh-water fishes, especially in relation to mollusks. 



1918. The relation of shellfish to fish in Oneida Lake, New York. Circ. 21, 

 New York State Coll. Forestry, pp. 11-33, figs. 1-16, Aug. Some 

 snails carnivorous, eating other snails, leeches, and small fish ; 

 shellfish form a large part of the food of many species of fishes ; 

 other enemies of shellfish include flukes, dragonfly nymphs, horse 

 fly larvae, water bugs, water beetle larvae, leeches, crawfishes, frogs, 

 salamanders, turtles, ducks, other water birds, muskrats, mink and 

 otter. 

 Bequaert, J. 



1925. The arthropod enemies of mollusks, with description of a new dip- 

 terous parasite from Brazil. Journ. Parasitol., vol. 11, pp. 201-212. 

 fig. I. Carnivorous snails probably the most important predatory 



