1921] 



Index 



175 



INDEX TO SUBJECTS. 



All new genera, new species, and new names are printed in Small 



Capital Letters. 



Acojia, 159. 

 Albizzia, gall on, 37. 

 Amelanchier, galls on, 36. 

 Ameloctonus xanthocerus, 70. 

 .Amorpha, galls on, 37. 

 AiJiorphota aitfjusta, 71. 

 AiiiorpJiota laicrencei, 71. 

 Amphibolips, 43. 

 Anergates, 135. 

 Anergatides, 135. 

 An (lit la a estiva lis, 71. 

 Ants from China, 110. 

 Aphidida", lieprodnction in, 95. 

 Ajjhids, movement of tarsi in, 63. 

 Arctic Spiders, 165. 

 Arnmia moschata, 146. 

 Arctocorisa calva, 14. 

 Athcrix- Mnominata, 6. 

 Atherix braunsi, 1. 3. 

 Atherix disciclara, 6. 

 Atherix crassipes, 6. 

 Athcrix ibis, 1. 

 Atherix lonr/ipes, 6. 

 Atherix variegata, 1. 

 Atrachehis cincreiis, 10. 

 Atrichops, 6. 

 Azalea, gall on, 37. 



Bombns and Psithyrus, 140. 

 Brachinus, 146. 



CaUicorixa kollarii, 15. 

 Callicorixa prceiisto, 15. 

 Camponotus, 10. 

 Cam])onotns, siibg'enera of, 116. 

 ('(iinpoiiotus harhatiis albospar- 



sus, 115. 

 Camponotus capito, 17. 

 fa til ponotiis eurimotiis, 19. 

 CdiHpoiiotKs fastif/atiis, 19. 

 Caiiiiioiiotus f/ilrireiitris, 19. 

 ('aiiipo)iotiis kelleri, 18. 

 Camponotus Jatuiif/iihis, 18. 

 Camponotus mitis, 115. 

 Camponotus miroharensis, 115. 

 Camponotus polifrarhiodes, 18. 

 Camponotus i-niaruJatus, 18. 

 Cani/ionotus rcticulatus, 19. 

 Camponotus rufofjlaucuK paria, 



115. 

 Camponotus sphmralis, 19. 



Camponotus sphcerieus, 19. 

 Campoplex banski, 71. 

 CampopJex nir/ricincta, 71. 

 Canadian Sjjiders, 165. 

 Cardiocondi/Ia, nuda, 110. 

 Castanea, gall on, 38. 

 Cecidomyia, new species of galls, 



36-41. 

 Ceram, Peripatus from, 50. 

 Chenopodium, gall on, 38. 

 Chinese Ants, 110. 

 Cicadella gothica, var atra, 130. 

 Cicadella hieroglyphica dolo- 



hrata, 130. 

 Coccid galls, 37. 



Coleoptera, scent glands of, 145. 

 Colobopsis, 16. 

 Coriscus inscriptns, 8. 

 Corixa calva, 14. 

 Cori.xa macroccps, 14. 

 Corixa verticalis, 14. 

 Crahro scotti, 164. 

 Crematogaster hiroi, 110. 

 Crematogaster rogenhofcri, 110. 

 Cryptohelcostizus dichrous, 72. 

 Cunila, gall on, 38. 

 Cynips, 43. 

 Cynips, 44. 

 Cyrtomijrma rastellata Icevior, 



115. 

 Cytorhinus mundulus, 59. 



Defensive Scent Glands of Cole^ 



optera, 145. 

 Diacamma rugosum geometri- 



cum, 110. 

 Diaphonis adust us, 120. 

 Diaphorus fusciis, 122. 

 Diaphorus hirsutus, 120. 

 Diniorptiomynnex andrei, 114. 

 Diniorpliomi/rmex theryi, 114. 

 Diinorp/iomi/nnc.r jancti, 114. 

 Dinioriihomi/rmex luzonivus, 114. 

 Dimot phonnjrmex mayri, 114. 

 DiploccphaJus harhatus, 165. 

 Diptera from Texas and Mexico, 



56. 

 Doliftiodcrus affinis. 111. 

 Dolichodrrus sinensis. 111. 

 Dolichoderus taprohanoR, ill. 



120. 

 Dolichopodidae, new species of, 



