345 Hemiptera 



213981 Forbes, Stephen A. 57.52 Aphis : 16.5 



191o, Recent Illinois Work on the Corn Root-aphis and the Control of 



its Injuries. 28th Rep. State Entoni. Illinois p. 1—62, 18 fig^'. — Bull. 



agric. Exper. Stat. Illinois No. 178, p. 405—466, 18 figg. 



92 Parrott, P. J., and H. E* Hodgkiss. 57.52 Aohls : 16.5 



1915. The Status of Spraying Practices for the Control of Plant Lice 

 in Apple Orchards. Bull. Jf. Y. agric. Exper. Stat. No. 402 p. 193—210, 

 2 pis., 2 figg. 



83 Baker, A. C, and W. F. Turner. ^ 57.52 Aphis : 16.5 



1916. Rosy Apple Aphis. Jonrn. agric. Research Tol. 7 p. 321—344, 

 6 pis. 



84 Brittain, W. H. 57.53 Aphis : 16.5 



1916. Notes on the Rosy Aphis {Aphis malifoUae Fitch) in Nova Scotia 

 Proc. entom. Soc. Nova Scotia 1916 p. 51—55, 1 fig. 



85 Parrott, P. J., B. E. Bodgkiss, and F. B. Lathrop. 57.52 iphis : 16.5 



1916. Plant Lice Injurious to Apple Orchards. I. Studies on Control of 

 Newly-Hatcbed Aphides. Bull. N. I. agric. Exper. Stat. No. 415 p. 11-53, 

 8 pis., 6 figg. 



86 Paddock, F. B. 57.52 Aphis : 16.5 



1916. Observations on the Turnip Louse. Journ. econ. Entom. Vol. 9 

 p. 67 — 71. 



87 del (Juercio, Griacomo. 57.52 Aphis (67.7) 



1916. Afidi raccolti nella Somalia italiana mendionale. Redia Vol. 11 



p. 299-303, 3 figg. [3 nn. spp. in Aphis.] 

 ^S ^o\ii"Ser, A. B. 57.52 Aspidiotus : 15.3 



1916. Aspxdwtus ulmi Johns. Canad. Entom. Tol. 48 p. 143—144. (77 8) 

 89 Forbes, S^tepheu A, 57.52 Aspidiotus : 16.5 



191o, Observations and Experiments on the San Jose Scale. 28th Rep. 



State Entom. Illinois p. 63-79, 3 figg. - Bull, agric. Exper. Stat. Illinois 



No. IsO p. 545-661, 3 figg. 

 213990 Glenn, Pressley A. 57.52 Aspidiotus : 16.5 



191 o. The San Jose Scale. (Aspidiotus perniciosus Comstock.) 28th Rep. 



State Entom. Illinois p. 87—106, 4 pis., 2 figg. 



^^ '^^"?,®3"» ?• ^V . 57.52 Aspidiotus (71.6) 



191d. San Jose Scale in Nova Scotia. 43d ann. Rep. entom. Soc. On- 

 tario p. 61-66, 3 figg. 16.5 



92 Parker, J- R. 57.52 Brachycolus : 16.5 



1916. Ihe Western Wheat Aphis {Brachycolus tritid Gill). Jonrn. econ. 

 Entom. Vol. 9 p. 182—187, 1 pi 



m Steven, B. M. 57.53 Cherme.n : 16.5 



1918. Contributions to the Knowledge of the Family Chermesidae. No. 1 : 

 The Biology of the Chermes'of Spruce and Larch and their Relation to 

 Forestry. Proc. R. Soc. Edinburgh Vol. 37 p. 356-381. 15.2 



^ ^'I'cfi^^^^'rr^* ^'r ■ ^'-SS Chermes (71.1) 



1916. The Life History of Chermes cooleyi Gillettr in Stanley Park, 

 Vancouver, B, C. 46th ann. Rep. entom. Soc. Ontario p. 123-130, 9 figg. 



16.5 

 V)o Marlelli, Giovanni. 57.50 Chrysomphalus : 16,5 



1914. II polisolfurimetro. Suo scopo, sua descrizione, suo uso. Ann. R. 

 Scuola sap. Agric. Portici (2) Vol. 12 p. 683—685. 



96 del Guerclo, Giacomo, ed Ettore Malenotti. 57.52 Chrysomphalus : 16.5 



1915. Ricerche ed Esperienze nuove contro la Bianca-Rossa degli A- 

 grumi in Sicilia nel 1914. Redia Vol. 11 p. 1—125, 1 tav., 25 figg. 



73 Ferris, G. F. 57.52 Coccidae : 14.29 



1918. A Note on the Occurrence of Abdominal Spiracles in the Cocci- 

 dae. Cauad. Entom. Vol. 50 p. 85—88. 

 213998 Bollinger, A. B. 57.52 Coccidae : 14.98 



1917. T&xonoraic Value of Antennal Segments of Certain Coccidae. Ann. 

 entom. Soc. Amer. Vol. 10 p. 264—271, 4 pis. [10 nn. spp. in: Ex- 

 aerctopus, Phenacoccus 3, Eriococcus.] 15..3 (77.8) 



