( ix ) 



ILLUSTRATIONS. 



1 Eggs of insects, magnified 



2 Larvae, grubs, caterpillars, or maggots 



3 Pupae, or chrysalides . 



4 Insects in the imago or perfect state 



5 Mason-wasp .... 



6 Jaws of mason-wasp, magnified 



7 Cuckoo-fly ... . . 



8 Mason-wasp's nest and cocoons 



9 Mason-wasp .... 



10 Nests, &c., of mason-wasps . 



11 Mason -bee .... 



12 Exterior wall of mason-bee's nest . 



13 Cells of mason-bee's nest 



14 Varieties in cells of mason-bee's nest, thre 



15 Mason-bee and nest 



16 Cell of mining-bee 



17 Cells of carpenter-bees, two figures . 



18 Carpenter-bee and cells 



1 9 Teeth of carpenter-bee, magnified . 



20 Nests of carpenter-wasps, two figures 



21 Carpenter-wasp .... 



22 Cocoon of a carpenter-wasp . 



23 Rose-leaf cutter-bees, and nest lined with 



24 Carder-bees heckling moss for their nests 



25 Exterior of the carder-bee's nest 



26 Breeding cells of the carder-bee 



27 Interior of carder-bee's nest, two figures 



28 Section of social-wasp's nest . 



29 Suspension rod of social-wasp's nest 



30 Portion of external crust of social-wasp's 



31 Hornet's nest in its first stage 



32 Singular wasp's nest . 



33 Wasp's cells attached to a branch . 



34 Nest of the pasteboard-maker wasp. 



35 Part of a honeycomb and bees at work 



36 Worker-bee, magnified 



37 Abdomen of wax-working bee 



38 Structure of the legs of the bee for carryi 



39 Curtain of wax-workers secreting wax 



40 Wax-worker laying the foundation of the 



41 Curtain of wax-workers . . 



42 Arrano-ement of cells of hive-bees 



fio-ures 



nest 



g propoli 

 first cell 



ose-leaves 



&c. 



