188 CATALOGUE OF THE LIBEAKY OF 



Riley (Charles Valentine), On the Larval Characteristics of Cvrydalus 

 and Chauliodes, and ou the Development of Corydalus cornutus. 

 [Proc. Amer. Assoc, Adv. Sci. xxvii.] 8vo, Salem, 1878. 



Biological Notes on the Gall-making Pemjphiginai. 



[Proc. Amer. Assoc. Adv. Sci. xxvii. j 8vo, Salem, 1878. 



The Cotton Worm in the United States. 8vo, Salem, 1879. 



[Proc. Amer. Assoc. Adv. Sci. xxviii.] 



Philosophy of the Pupation of Butterflies, and particularly of 



the N//itip]iaIida'. 8vo, Salem, 1879. 



[Proc. Amer. Assoc. Adv. Sci. xxviii.] 



The Rocky Mountain Locust. Permanent courses for the 



Government to adopt to lessen or avert Locust injury. 



[Rep. U. S. Entomol. Comm. ii.] 8vo, Washington, 1880. 



The Rocky Mountain Locust. Further facts about the 



Natural Enemies of Locusts. 8vo, Washinrjton, 1880. 



[Rep. U. S. Eutomol. Comm. ii.] 



Further Notes on the Pollination of Yucca, aud on Promtha 



and Frodoxiii^. 8vo, Salem, 1880. 



[Proc. Araer. Assoc. Adv. Sci. xxix.] 



Additional Notes on the Army Worm (^Leucanla uniimnctci). 



[Proc. Amer. Assoc. Adv. Sci. xxix.] 8vo, Salem, 1880. 



Some recent Practical Results of the Cotton W^orm inquiry by 



the LT. S. Entomological Commission. 8vo, Salem, 1880. 



[Proc. Amer. Assoc. Adv. Sci. xxix.] 



The Hitherto Unknown Life-habits of Two Genera of Bee- 



flies (Bomhyliidcv). 8vo, 6'«/em, 1880. 



[Proc. Amer. Assoc. Adv. Sci. xxix.] 



The Cotton Worm : Summary of its Natural History, with an 



Account of its Enemies, and the best means of controlling it ; being 

 a Report of Progress of the work of the Commission. 



[Bull. U. S. Eutomol. Comm., No. 3.] 8vo, Washington, 1880. 



Notes on the Grape Phylloxera, and on Laws to Prevent its 



Introduction. 8vo, rhiladelj^hia, 1881. 



[Amer. Nat. xv.] 



Hibernation of the Cotton Worm Moth : ease Avith which 



mistakes are made. 8vo, Philadelj^tliia, 1881. 



[Amer. Nat. xv.] 



Observations on the Fertilization of Yucca, and on Structure 



and Anatomical Peculiarities in Pronuha and Prodoxus. 



[Proc. Amer. Assoc, Adv. Sci. xxxi.] 8vo, Salem, 1882. 



The Hibernation of Alctia xylina (Say) in the United States 



a settled fact, 8vo, Salem, 188"2, 



[Proc. Amer. Assoc. Adv. Sci. xxxi.] 



Emulsions of Petroleum and their Value as Insecticides. 



[Proc. Amer. Assoc. Adv. Sci. xxxi. J 8vo, Salem, 1882. 



Jumping Seeds and Galls. 8vo, Washington, 1882. 



[Proc. U. S. Nat. Mus. v.] 



Report of the Entomologist for the Years 1882-1890. 



8vo, Washington, 1882-91. 

 [Ann. Rep. (U. S.) Dept. of Agric. 1881-91.] 



