INDEX TO ILLUSTRATIONS. 



HYMENOPTEEA. 



Ablerus clieiocampiP, female, VII, 7, fig. 3. 



Acoloides saitidis, II, 269, fig. 58. 



Agapostemon, modification of bind leg, VI, 359, fig. 



25, e. 

 Antliophora, modification of bind leg, VI, 359, fig. 



25, a. 

 Apbelinus diaspidis, VI, 233, fig. 9; VII, 290, fig. 29. 

 Apbjcus imm'aculatus, VI, 236, fig. 11. 

 Apis niellifica, wax disks, VI, 356, fig. 23, a, b; modi- 

 fication of bind leg, 357, fig. 24, A. 

 Aspidiotiphagus citrinus, VI, 229, fig. 6. 

 Axima zabriskiei, II, 365, 366, 367, figs. 29, 68,. 70. 

 Ba'us americanus, II, 270, fig. 59. 

 Bees, modification of bind legs, VI, 357, 359, figs. 24, 



25. 

 Bees, social, wax disks of, VI, 356, fig. 23. 

 Bees, worker, sensory hairs and olfactory organs, 



VII, 35, fig. 11, k. 

 Bombus, modification of bind legs, VI, 3.57, fig. 24, C; 



wax disks, 356, fig. 23d. 

 Catolaccus antbononii, V, 185, fig. 17. 

 Centistes americana (Perilitus americanus), I, 103, 



fig. 15. 

 Cephus pygmseus, II, 286, fig. 60. 



occidentalis, IV, 177, fig. 15. 

 Chalcis fiavipes, I, 162, fig. 35. 

 Cbelonus electus, female, VI, 372, fig. 31. 

 Cimbex americana, 229, fig. 45. 



Cladius pectinicornis, V, 6, fig. 1; work of, V, 7, fig. 2. 

 Coccopbagus aurantii, VI, 231, fig. 7. 

 californicus, I, 269, fig. 65. 

 lunulatus, VI, 232, fig. 8. 

 Cratotechus, sp., IV, 195, fig. 19. 

 Cremnops vulgaris, female, VI, 371, fig. 30. 

 Dolenis arvensis, IV, 172, fig. 13. 

 Elacbistus spilosomatis, IV, 196, fig. 20. 

 Elasmus varius, IV, 253, fig. 39. 

 Encyrtus dubius, I, 270, fig. 66. 



websteri, II, 247, fig. 53. 

 Entedon epigonus, VII, 356, fig. 36. 

 Eubadizon scbizoceri, I, 44, fig. 8. 

 Hadronotus rugosus, I, 242, fig. 53. 

 Harpiphorus niaculatus, II, 140, fig. 23. 



varianus, II. 240. fig. 49. 

 Hexacladiasmithii, III, 455, fig. 35. 

 Homalotylus obscurus, infesting Coccinellid larva, 



IV, 193, fig. 17. 

 Hyperacmus tineae, II, 213, fig. 41. 

 Leucodesmia typica, VII, 402, fig. 46. 

 Limneria eurycreontis, II, 328, fig. 65. 

 Linyphia communis, witb its parasite, I, 106, fig. 21. 

 Megaspilus niger, II, 247, fig. 52. 

 Melipona, modification of hind legs, VI, 357, fig. 24, 



B; wax disks, 356, fig. 23, c. 

 Melissodes, modificationof hind leg, VI, 359, fig.25, b. 



Monomorium pharaonis, 11, 107, fig. 18. 

 Monostegia ignota, II, 137, 140, figs. 22, 23. 



rosaj, work of, V, 273, figs. 35, 36; V, 274, fig. 37. 

 Myrmica i-wginodis, sensory organ, VII, 35, fig. 11, 1. 

 Nematus marylandicus, IV, 175, fig. 14. 



ventralis, I, 34, fig. 5. 

 Nomada, modification of bind leg, VI, 359, fig. 25, d. 

 Nomia, modification of hind leg, VI, 359, fig. 25, f. 

 Opbelosia crawfordi, II, 248, fig. 54. 

 Pachyneuron micans, II, 246, fig. 51. 

 Perdita, modification of hind leg, VI, 359, fig. 25, c. 

 Pbylloecus flaviventris, VI, 296, fig. 18; egg, work 

 of female, VII, 388, fig. 42; larva, 389; fig. 43. 



integer, I, 9, fig. 2. 

 Podagrion mantis, IV, 242, fig. 28. 

 Polysphincta dictyna>, I, 106, fig. 21. 

 Praon,cocoou of, IV, 196, fig. 21. 

 Prospalta murtfeldtii, female, VII, 6. fig. 2. 

 Rhyssa persuasoria, ovipositing, I, 173, fig. 37. 

 Schizocerus ebenus, I, 44, fig. 7. 



privatus, egg-sacs, larva;, and work, V, 25, fig. 6. 

 Sphecius (speciosus), IV, 248, 249, 250, 251, 252, figs. 



32, 33, 34, 35, 36, 37, 38, 

 Signiphora occidentalis, VI, 234, fig. 10. 

 Tanaostigma coursetise. III, 147, fig. 20. 

 Tetracnenius diversicornis, III, 147, fig. 21. 

 Thalessa (lunator) ovipositor and egg, I, 174, fig. 38. 



lunator, 9 ovipositing, I, 172, fig. 36; pi. I, 

 facing p. 179. 

 Tboron opacus, I, 269, fig. 64. 

 Tremex columba, larva, pupa, and adult, I, 178, fig. 



39. 

 Vespa, organ of smell, VII, 35, fig. 11, 0. 



vulgaris, organ of taste, VII, 35, fig. 11, E. 



LEPIDOPTERA. 



Alcathoe cordata, IV, 220, fig. 26. 

 Acontia lanccolata, V, 329, fig. 46. 



(?) n. sp., V, 329, fig. 46. 

 Antaplaga koebelei, V, 329, fig. 46. 

 Archippus butterflies resting at night, V, 206, fig. 22. 

 Arotrura ebernea, neuration and uncus, I, 116, fig. 



22. 

 Bucculatrix canadensisella, witb work, V, 14, fig. 3. 

 Calotbysanis amaturaria, IV, 382, figs. 76, 77. 

 Carphoxera ptelearia, IV, 109, 110, 112, figs. 6, 7, 11. 

 Castnia cronis var. corningii. III, 316, fig. 29. 

 Cbloridea rhexia, I, 228, fig. 49. 

 Copidryas gloveri, egg, I, 104, fig. 16 ; larva, fig. 



17 ; cocoon, 105, fig. 18 ; pupa, fig. 19 ; adult, fig. 



20. 

 Corn stalk-borer, larger, work, IV, 99, fig. 3. 

 Crambus topiarius, VII, 1, fig. 1. 

 Cryptophasa unipunctata. III, 384, fig. 30. 

 Cryptolechia scblfegeri, II, 152 fig. 25. 

 Coptotriche complanoides, II, 322, fig. 64. 

 Depressaria heracliana, I, 95, fig. 13. 



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