WATER BEETLES IN RELATION TO PONDFISH CULTURE. 
337 
Comstock, John Henry. 
1912. A manual of the study of insects. 10th ed. xi+701 pp., 797 figs. Comstock Publishing 
Co., Ithaca, N. Y. 
Cooke, A. H. 
1895. Molluscs. 459 pp. Cambridge Natural History Series. MacMillan & Co., London and 
New York. 
Crotch, G. R. 
1873. Revision of the Dytiscidae of the United States. Transactions, American Entomological 
Society, vol. 4, pp. 383-424. Philadelphia. 
Curtis, John. 
1827. British entomology; being illustrations and descriptions of the genera of insects found in 
Great Britain and Ireland. Vol. 5. London. [Established the new genus Cybister, 
p. 151.] 
Cussac, Smile. 
1852. Moeurs et metamorphoses du Spercheus emarginatus et de 1 ’Helochares lividus. Annales 
Society Entomologique de France, T. 10, pp. 617-627, PI. 13, figs. 8-26. Paris. 
Dale, J. C. 
1832. Brief notice of the habits and transformations of the dragonfly; compiled in explanation of 
the accompanying cut. The magazine of Natural History and Journal of Zoology, Botany, 
Mineralogy, Geology, and Meteorology, Vol. V, pp. 517-520, Fig. 98. London. 
1832a. Small fishes are destroyed by other insects, besides the larvae of dragonflies as instanced 
p. 519. Ibid., p. 668. [Among other insects mentioned are water beetles.] 
Deegener, P. 
1913. Respirationsorgane. Handbuch der Entomologie, Bd. I, Cp. 5, pp. 316-382, figs. 213-274. 
Jena. [Included the respiration organs of both adults and larvae.] 
De Geer, Charles. 
1774. M6moires pour servir & l’histoire des insectes. Vol. 4. Stockholm. [Contained the water 
beetles.] 
Dimmock, George. 
1886. Belostomidae and some other fish-destroying bugs. Bulletin, U. S. Bureau of Fisheries, 
Vol. VI, 1886, pp. 353-359, 1 fig. Washington. [See p. 251.] 
Dimmock, George, and Frederick Knab. 
1904. Early stages of Carabidee. Bulletin No. 1, Springfield (Mass.) Museum of Natural History, 
55 pp., 4 pis., 1 fig. [Found a hymenopterous parasite ( Spilocryptus incertus), and the 
larva of a bombardier beetle ( Brachinus janthinipennis ) , feeding upon pupae of Dineutes 
americanus .] 
Donckier de Donceel, H. 
1879. Sur les moeurs de Colymbetes fuscus. Annales, Societe Entomologique de Belgique, T. 22. 
Comptes-rendus des Seances de la Society Entomologique de Belgique, Annee 1879, pp. 
CLV-CLVI. Bruxelles. 
Donisthorpe, Horace. 
1900. Notes on the copulation of Hydrophilus piceus L. The Entomologist’s Record and Journal 
of Variation, Vol. XII, pp. 291-292. London, Berlin, and New York. 
Drake, Carl J. 
1914. The food of Rana pipiens Shreber. Ohio Naturalist, vol. 14, pp. 257-269. Columbus 
Ohio. [Beetles formed an important item of this food.] 
Duoiis, Eug. 
1884. Metamorphoses du Tropisternus lateralis Fabricius. Annales, Societe Entomologique de 
Belgique, T. 28, pp. 7-11, PI. I, figs. 1-17. Bruxelles. 
1885. Metamorphoses du Cybister fimbriolatus Say. Ibid., T. 29, pp. 26-31, PI. II, figs. 1-15. 
Elles, J. 
1830. The water beetle. The Magazine of Natural History and Journal of Zoology, Botany, 
Mineralogy, Geology, and Meteorology, Vol. Ill, pp. 148-149. London. [Quoted in 
full on p. 251.] 
