50 Insecta . 
XII. Insecta. 
[1917] 
prophylactio measures directed against 
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Nuttall, G. H. F. The part p’ayed 
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985 
Nuttall, G. H. F. The biology of 
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Oberthiir, 0. Faune de3 Lipidopteres 
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989 
Oberthiir, E. Etudes de L&pido- 
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Oberthiir, C. Le genre Actinote. 
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Oberthiir, C. A propos cjes Aegerii- 
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[Lepidoptera. ] 992 
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994 
Oberthiir, C. Sur les observations 
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[Lepidoptera.] 995 
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996 
Okazaki, T. Korogirui no kobi ni 
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[Homoptera.] 998 
Orchymont, A. d’. De la place quo 
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Osborn, H. and Drake, C. J. Notes 
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Osborn, H. and Drake, C. J. Notes 
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Oshima, M. Notes on a collection 
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1002 
Oshima, M. Three new species of 
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[Isoptera.] 1003 
Oshima, M. Two spscies of termites 
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[Isoptera.] 1005 
Ota, S. Honposan mizuhachi ni 
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over Siictoria xxviii (Bemerkungen 
