Part 52

1893. Further Studies of Yuccas and their Pollination. Fourth Annual Rep. Mo. Bot. Garden, pp. 181-226.

BEUTENMÜLLER, W.

1904. The Insect-Galls of the Vicinity of N. Y. City. Am. Mus. Jour., Vol. IV, pp. 89-124.

A descriptive illustrated catalogue. Beutenmüller has published several important papers on galls in the Bull. Amer. Mus. Nat. History.

ADLER, H. (Trans. by C. R. STRATON.)

1894. Alternating Generations. A Bibliogical Study of Oak Galls and Gall Flies. pp. 198. Oxford.

COOK, M. T.

1905. The Insect Galls of Indiana. Twenty-ninth Ann. Rep. Dept. Geol. and Natural Resources of Indiana, 1904, pp. 801-867.

Descriptive illustrated catalogue.

HOUARD, C.

1908-1909. Les Zoocécidies des Plantes d’Europe et du Bassin de la Méditerranée. Tome I, pp. 569; II, pp. 573-1247. Paris.

KIRCHNER, O. VON.

1911. Blumen und Insekten, ihre Anpassungen aneinander und ihre Gegenseitige Abhängigkeit. pp. 436. Leipzig.

KÜSTER, E.

1911. Die Gallen der Pflanzen. Ein Lehrbuch für Botaniker und Entomologen. pp. 437. Leipzig.

ROSS, H.

1911. Die Pflanzengallen (Cecidien) Mittel- und Nord-Europas ihre Erreger und Biologie und Bestimmungstabellen. pp. 350. Jena.

b. Subterranean and Cave Associations

BANTA, A. M.

1907. The Fauna of Mayfield’s Cave. Carnegie Inst. Pub. No. 67. pp. 114.

The cave environment, the vital optimum, and the food relations are discussed. A valuable paper.

BLATCHLEY, W. S.

1896. Indiana Caves and their Fauna. Twenty-first Ann. Rep. Geol. and Natural Resources of Indiana, pp. 121-212.

DENDY, A.

1896. The Cryptozoic Fauna of Australasia. Austr. Assoc. Adv. Sci., 1895, pp. [1-21].

On animals living under stones, logs, and bark of trees.

DIEM, K.

1903. Untersuchungen über die Bodenfauna in den Alpen. Jahrb. d. St. Gallischen Naturwiss. Gesellsch. f. 1901-1902, pp. 234-414.