118 REPORT OF ASSISTANT DIRECTOR OF NATIONAL MUSEUM. 



Rii.EY, Charles V. — Continued. 



1880 [March, 1881], 18 + 322 + 80, p. 17 pi., each plate with one leaf 

 explanation, map 1, in 6 pts., map 2-4, 9 fig. 



Extract from chap. 13, by Riley, entitled ''Larval habits of bee-flies." 

 (Ainer. Naturalist, June, 1881, v. xv, pj). 438-447, pi. 6.) Germ. Iw. of part of p. 

 260, entitled "i^jicawtoujiteto aus Eiern zuerziehen". {Entom. Nachr., Aug. 

 1881.) 



Separate of chap. 13, author's ed. , by Eiley, with half t. p. cover and half 

 t. p., entitled " The Rocky Mountain locust." Further facts about the nat- 

 ural enemies of locusts [Wash.], 1880. -f p. 259-271, -pi. 16, with one leaf expl. 

 of pi. 



Sei>arte of chap. 14, author's ed., by Eiley, with half t. p. cover and half t. 

 p., entitled "The Rocky Mountain locust. Permanent courses for the gov- 

 erdment to adopt to lessen or avert locust injury." [Wash.] 1880. -i- p. 271- 

 322 ; map 1, in 6 parts. 



Notes on the grape Phylloxera and on laws to prevent its intro- 

 duction. 



(Amer. Naturalist, March, 1881, xv, pp. 238-241.) 



Summary of life history of Phylloxera vastatrix. Proper precautions to be 

 adopted against the introduction of the pest into uninfected countries. 



Hibernation of the Cotton Worm moth ; ease with which 



mistakes are made. 



(Amer. Naturalist, March. 1881, XV, pp. 244-245, Figs. 1-3.) 



Imago of Leucania unipuneta mistaken for that of Aletia argillacea, in Texas; 



distinctive characteristics of the two species; figures imagos of both species 



and ovipositor of the former. 



— General Index and sujiplement to the nine Eei)orts on the 



insects of Missouri. 



(U. S. Entomological Commission, Bulletin No. 6, Wash., 24 March, 1881, 

 t. p. cover, pp. 1-178.) 



Introduction, pp. 5-7. Tables of contents of the reports, pp. 9-45. Cor- 

 rections of errata, pp. 46-51. Notes and additions of the most important 

 facts ascertained about insects treated in the reports [with later or more cor- 

 rect nomenclature], pp. 52-63. Descriptions of new species and varieties [re- 

 printed from the reports with notes and corrections], pp. 64-90. List of de- 

 Bcriptions of adolescent states [referring to previously published descrix^tious 

 of the same when any exist], pp. 91-95. List of descriptions of adolescent 

 states [referring to previously published descriptions of the same when any 

 exist], pp. 91-95. List of descriptions, mostly amplified, of species not new, 

 pp. 96-97. List of illustrations [arranged in serial order, designating those 

 not original], pp. 98-118. Classified list of illustrations [in systematic order], 

 pp. 119-123. General index, pp. 125-166. Index to plants and food-plants, 

 pp. 167-177. Errata [in this work], p. 178. 



Notes on North American Microgasters, with description of new 



species. 



(Trans. Acad. Sci. St. Louis, iv, No. 2, pp. 295-315 ; il.) 



Separate [St. Louis], 6 April, 1881, i t. p. cover + 20 p., 23 x 16, il. Habits 

 and characteristics of the grouj) ; three genera distinguished ; formations of 

 cocoons (il.); describes two new species of Microplitis and ten of Apavteles ; 

 also several forms of Apanteles congregatus and larva of A. aletice; figarea 

 imago of J. aletice and several cocoon masses; habits of the species; reference 

 list of the (23) described N. A. species. 



