INDEX TO ILLUSTRATIONS. 



Aphis brassicae. Fig. 24, p. 289. 

 Bryobia pratensi.s, Figs. 4, .5, pp. 46, r>L 

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

 Ceratitis capitata, Figs. 1, 2, pp. 5, 6. 

 Chaituphorus negundinis. Fig. 23, p. 288. 

 Cryptophasa unipunctata. Fig. 30, p. 384. 

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

 Hesacladia stnithii, Fig. 35, p. 455. 

 Iceryaaegyptiacum, Fig. 13, p. 98. 

 Icerya montserratensis. Figs. 14, 15, 16, 17, pp. 100, 



101.102. 

 Icerya palmeri. Figs. 18, 19, pp. 103, 104. 

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



Lachnus platanicola, Plate 1, facing p. 292. 

 Melanoxantliu.s bicolor, Fig. 25, p. 291. 

 Melauoxautbus floccalosus. Fig. 26, p. 292. 

 Pancblora viridis. Figs. 32, 33, p. 443, 444. 

 Rose twig infested by Icerya ros«, Fig. 6, p. 93. 

 Spraying apparatus, designed by Dr. Holand 



Thaxter, Fig. 3, p. 39. 

 Tanaostigiua coursetiae, Fig. 20, p. 147. 

 Tetracnemus diversicornis. Fig. 21, p. 147. 

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

 Trypeta pomonella. Fig. 22, p. 255. 

 Vedalia cardinalis, Fig. 31, p. 439. 



493 



