viii TABLE OF ILLUSTRATIONS. 
PAGE 
Larvae, Nymph, and Cocoon of Red Ant 202 
Myrmecocystus Mexicanus ----------- 209 
Mutilla Europcca 2I ^ 
Ammophila sabulosa - - - - - - - - - -• " 2I 9 
Pelopceus spirifex - - - - - - - 220 
Pelopceus spirifex , Nest detached ---------- 222 
Cerceris arenaria ------------ 225 
Philanthus apivorus ------------ 226 
Cemonus lugubris - -- -- -- -- -- - 228 
Odynerus parietum , Metamorphoses --------- 230 
Adult, Larva, and Pupa of Odynerus - - - - - - - - - 231 
Eumenes pomiformis - -- -- -- -- ... 232 
Chalicodoma muraria 2 43 
Chalicodoma muraria , Nest of - - - - ■ 2 45 
Osmia aurulenta 246 
Xylocopa violacea ------------ 250 
Psithyrus vestalis - - - - - - - - - - - ■ 254 
Apis mellifica ------------- 255 
Under surface of Bee - - - - - - 2 5 ^ 
Hind Legs of Bee 257 
Head of Bee 258 
Sting and Venom Glands of Bee - - - - - - - * - * 258 
Honeycomb 259 
CHAPTER VII. 
Metamorphoses of the Cetonia aurata 269 
Melolontha fullo ------------ - 275 
Oryctes nasicornis - - - - - - - - * ■ ' 2 77 
Ateuchus sacer ------------- 279 
Necrophorus vespillo - ----- 284 
Silpha quadripunctata - 2 &6 
Staphylinus olens - -- -- -- -- -- - 288 
Viviparous Staphylinidie - - - - - - - - - ■ 290 
Dermestes lardarius and Dermestes vulpinus -------- 292 
Hydrous piceus - -- -- -- -- -- -- 295 
Hydrous piceus. Egg Cocoons of 296 
Carabus auratus - 3 °° 
Cicindella campestris ------------ 3°4 
Tenebrio molitor - - - - ■ 3°5 
Meloe cicatricosus and Sitaris humeralis -------- 307 
Sitaris humeralis ------------ 3°9 
Lampyris splendidula - - - - - - 3 IQ 
Alaus oculatus - - - - - - - - - - - - - 3 11 
Trichodes alvearius - - - - - - - - - - - ■3 I 3 
Scolytus destructor - - - - - - - - - - - - 3 ! 5 
Tomicus typographies and Scolytus destructor - - - - - - - 316 
