X. ILLUSTKATIONS IN THE TEXT. 



PAGE. 



Over-crowding of oyster-shell scales on an apple twig .. .. .. 192 



Nymph of Gamasus sp., which sometimes hibernates under mussel scales ; 

 dorsal view of Bdella brevitarsus, Banks, a mite that sometimes hiber- 

 nates under mussel scales .. .. .. .. .. .. .. 196 



Lonchaea plwmosissima, Bezzi, sp. n., $,241; lateral view of head .. 247 



„ mochii, Bezzi, sp. n., $, lateral view of head . . . . . . 243 



„ pendula, Bezzi, nom. nov., (J, lateral view of head . . . . 249 



A Coleopterous larva found in the urinary tract of man . . . . . . 255 



Fluctuations in humidity and weight of cotton .. .. 289,290,298,29-9 



Bud, flower, green boll and ripe boll curves for the Gemmeiza experimental 



cotton-field 307 



Diagram to show increase of Gelechia attack per province in Egypt . . . . 310 



Sketch-map of British Guiana showing coast area infested by locusts in 1917 344 



Seelio venesuelensis, Marsh., parasitic on eggs of Schistocerea . . . . 348 



ScMstocerca sp., nymphal stages, 350-353 ; adult $ . . . . . . . . 353 



