362 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



2389. EILEY, C. V. Continued. 



S.-b. No. 61, pp. 97-104. <Los Angeles Tribune, 14 April, 

 1887. S.-b. No. 61, pp. 104-111. See: <Pacific Eural Press, 

 23 April, 1887, v. 33, pp. 361-362; 364. S.-b. No. 61, p. 48; No. 

 63, p. 76. <Eiverside Daily Press, 12, 13 April, 1887. S.-b. 

 No. 61, pp. 65-68; No. 63, pp. 98-105. <Press and Horticult- 

 urist, 16 April, 1887. S.-b. No. 61, pp. 74-82. <Florida Dis- 

 patch, 2 May, 1887, v. 7, pp. 385-388. S.-b. No. 63, pp. 75 ; 77. 

 <Paciflc Eural Press, 2 July, 1887, v. 34, p. 9. 



CONTENTS. 



Letter of submittal 5 



Introduction 7 



The scale-insects of the orange in California, and particularly the 



leery a or fluted scale, etc 9 



Notes on Icerya Its probable origin the Islands of Bourbon and 



Mauritius 27 



The use of gases against scale-insects 35 



2390. [EILEY, C. Y.] [Classification of insects.] <Entom. Amer., Sep- 



tember 1887, v. 3, p. 102. 



Comments on the address of J. H. Comstock before the A. A. A. S. 

 2301. [RiLEY, C. V.] [Pronuba and its connection with the pollination 

 of Jucca.} <Entom. Amer,., September, 1887, v. 3, pp. 107-108. 

 Record of the results of recent experiments on the pollination of Yucca and 

 the agency of. Pronuba in this work. 



2392. EILEY, C. V. Beschreibung einer den Birnen schadlichen Gall- 



miicke (f Diplosis nigra Meig.). < Wiener Entomol. Zeit., Sep- 

 tember, 1887, v. 6, pp. 201-206, 3 figs. 



Discovery of the species in America ; its habits and life-history ; detailed de- 

 scription of all stages ; possible difference between European and American 

 specimens ; suggests D. pyrivora for the latter, if distinct. 



2393. EILEY, C. V. Some important discoveries in the life-history of 



the hop-plant louse (Phorodon humuli Schrank). <Soc. for 

 Prom. Agric. Sci., September, 1887, 1, No. 9, p. 205. Eeprint: 

 <Sci. Amer. Suppl., 24 September, 1887, v. 24, p. 9781. S.-b. 

 No. 61, pp. 117-119. <Gardener's Mo. and Hortic., October, 

 1887, v. pp. 309-311. S.-b. No. 61, p. 124. 



Re'sume' of recent discoveries in the life-history of Phorodon humtili ; proof of 

 its migration from plum to hop ; life of the egg on plum in winter; spring 

 migration to hop ; number of broods thus far observed ; probable course of 

 later broods. 



2394. EILEY, C. V. Eeport of the entomologist. < Ann. Eept. [U. S.] 



Commissioner Agric. for 1886, 1887, pp. 459-592, 11 pi. Sep- 

 arate : < Washington, September, 1887, pp. 459-592+6+9, 11 pi. 



TABLE OF CONTENTS. 



INTRODUCTION... 459 



Fruit interests of the Pacific coast, 459 Cottony cushion-scale 

 (Iceryapurchasi), 459 Kerosene emulsions, 459 Caustic soda 



