INDEX TO ILLUSTRATIONS. 



Aphis brassic.T, Fig. 24, p. 289. 

 Bryobia pratensis, Fig.s. 4, .5, pp. 46, .'il. 

 Castnia cronis, var. coruinyii, Fig. 29, p. 316. 

 Ceiatitia capitata, Figa. 1, 2, pp. 5, 6. 

 Uliaitophoriis neguudinis. Fig. 2'i, p. 288. 

 Cryptophasa unipuuotata, Fig. 30, p. 384. 

 Grasserie of silkworm, Fig. 34, p. 445. 

 Hesacladia smithii. Fig. 35, p. 455. 

 IceryaiBgyptiaoiim, Fig. 13, p. 93. 

 Icerya mout8errateu.sis. Figs. 14, 15, 16, 17, pp. 100, 



101,102. 

 Icerya palniori, Figs. 18, 19, pp. 103, 101. 

 Icerya rosie, Figs. 7, 8, 9, 10, 11, 12, pp. 94, 95, 96, 97. 



Lacliiiu.s plataiiicola, Plato 1, facing p. 292. 

 Moliiiioxanthus bicolor. Fig. 25, p. 291. 

 Mclaiioxantliiis flocciilosus, Fig. 26, p. 292. 

 Pauchlora viridis, Figs. 32, 33, p. 413, 444. 

 lio.so twig infested by Icorya rosw, Fig. 6, i).93. 

 Spraying apparatus, designed by Dr. llolaud 



Tiiaxler. Fig. 3, p. 39. 

 Tauaostigiiia coursetim, Fig. 20, \). 147. 

 Tetracnemus diversicornis. Fig. 21, p. 147. 

 Trypeta ajqualia, Figs. 27, 28, pp. 312, 313. 

 Trypota ponionella, Fig. 22, p. 255. 

 Vedalia cardinalis, Fig. 31, p. 439. 



493 



