37 Insecta 
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3500 
' Friese, H. Neue Arten cler SchmaroL 
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1920 (401-470) pi. vii, 4 text-figs. 
[ Hymenoptera .] 702 
Friese, H. Ueber die Lebensweise 
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Zeitschr. wiss. Insbiol. 15 1920 (175- 
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Frison, T. H. Keys for the separa- 
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[ Hymenoptera .] 704 
Frison, T. II. Report on the Brotni- 
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Fritsch, K. Bliitcnbiologische Unter- 
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1 128 1919 (295-330). 706 
Froggatt, W. W. Notes on the apple 
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Gaz. N.S.W. Sydney 31 1920 (56-60) 
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Froggatt, W. W. The powder-post 
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[Coleoptera.] 708 
Froggatt, W. W. Three native beetles , 
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[Coleoptera.] 709 
Froggatt, W. W. Thrips damaging 
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31 1920 (502-506) figs. [Thysanoptera.] 
710 
Froggatt, W. W. Insects found on 
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3 pis. 711 
Frost, C. A. Notes on the Coleoptera 
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Canad. Entom. London Can. 52 1920 
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Frost, C. A. and Weiss, II. B. Biblio- 
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Canad. Entom. London Can. 52 1920 
(204-210, 220-223, 247).' [Coleoptera.] 
713 
Fryer, P. J. Insect pests and fungus 
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714 
Fuente, J. M. de la. Catalogo sistem- 
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Fuente, J. M. de la. Ilemipteros 
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716 
Fullaway, D. T. New species of 
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Fullaway, D. T. Natural control of 
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[Homoptera.] 718 
Fullaway, D. Ti A new species of 
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[Hymenoptera.] 719 
Fuller, C. Studies on the post- 
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Gaede, M. Alte und neue Arten der 
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Gahan, A. B. New reared parasitic 
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Gahan, A. B. On the identity of 
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Gahan, A. B. Black grain-stom 
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1920 (18 pp ). [Hymenoptera.] 724 
