Fourth Annual Rep. Mo. Bot. Garden, pp. 181- 

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BEUTENMttLLER, W. 



1904. The Insect-Galls of the Vicinity of N. Y. City. Am. 



Mus. Jour., Vol. IV, pp. 89-124. 



A descriptive illustrated catalogue. Beutenmuller 

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 the Bull. Amer. Mus. Nat. History. 

 ADLEE, 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 Zoocecidies des Plantes d'Europe et du 

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KlRCHNER, O. VON. 



1911. Blumen und Insekten, ihre Anpassungen aneinander 



und ihre Gegenseitige Abhangigkeit. pp. 436. 



Leipzig. 

 KUSTER, E. 



1911. Die Gallen der Pflanzen. Ein Lehrbuch fur Botaniker 



und Entomologen. pp. 437. Leipzig. 

 Ross, H. 



1911. Die Pflanzengallen (Cecidien) Mittel- und Nord Europas 



ihre Erreger und Biologic und Bestimmungstabellen. 



pp. 350. Jena. 



6. Subterranean and Cave Associations 



BANTA, A. M. 



1907. The Fauna of Mayfield's Cave. Carnegie Inst. Pub. 

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