﻿352 



9868. COOLEY, R. A. Notes on Spraying Experiments for the Oyster Shell 



Scale in Montana. — Journ. econ. Entom.. Vol. 3, p. 57—64. '10. 



9869. COURTEAUX, Rene. Hemipteres d'Afrique (Togo et Abyssinie). — Bull. 



Mus. Hist. nat. Paris 1908, p. 190—192. '08. 



9870. CRAWFORD, D. L. American Psyllidae I. (Triozinae). — Pomona Journ. 



Entom., Vol. 2, p. 228—237, 2 iig. — II. - p. 347—362, 3 iig. — III. - Vol. 

 3, p. 422—453, 4 fig. — IV. A Partial Revision of Subfamilies. - p. 480 

 —503, 4 fig. — V. - p. 628—632, 1 fig. '10/'ll. 



9871. CROSBY, C. R. Notes on the Life-history of Two Species of Capsidae. 



— Canad. Entom., Vol. 43, p. 17—20. '11. 



9872. CROSBY, C. R. The Apple Red Bugs. — Bull. Cornell Univ. agric. Exper. 



Stat., No. 291, p. 213—225, 27 fig. »11. 



9873. DACHNE. Ueber die Kältebeständigkeit der Wasserwanzen. — Zeitschr. 



Naturw., Bd. 81, p. 199—200. '09. 



9874. DAMPF, A. Ueber ostpreussische Chermes-Arten. — Schrift, phys. ökon. 



Ges. Königsberg, Jahrg. 48, p. 351—360. '08. 



9875. DAVIDSON, W. M. Notes on Aphididae Collected in the Vicinity of Stan- 



ford University. — Journ. econ. Entom., Vol. 1, p. 299—305. '09. ^ 



9876. DAVIDSON, W. M. Further Notes on the Aphididae collected in the 



Vicinity of Stanford University. — Journ. econ. Entom., Vol. 3, p. 372 — 

 381, 2 fig. '10. 



9877. DAVIDSON, W. M. Notes on some Aphididae taken in Placer County. — 



Pomona Journ. Entom., Vol. 3, p. 398—399. '11. 

 9978. DAVIDSON, W. M. Two New Aphids from California. — Journ. econ. 

 Entom., Vol. 4, p. 559—562, 9 fig. '11. 



9879. DAVIS, John J. A New Aphid on the Virginia Creeper. (Aphis folsomii n. 



sp.) — Entom. News, Vol. 19, p. 143—146, 1 tab. '08. 



9880. DAVIS, John J. Standards of the number of eggs laid by Insects. VII. 



Being Averages obtained by actual Count of the combined Eggs from 

 twenty (20) Depositions or Masses. — Entom. News, Vol. 19, p. 383. '08. 



9881. DAVIS, John J. A Secondary Sexual Character of Aphididae. — Canad. 



Entom., Vol. 40, p. 283—285, 8 fig. — II. Supplementary. - p. 348. '08. 



9882. DAVIS, John June. Biological Studies on Three Species of Aphididae. — 



— U. S. Dept. Agric. Bur. Entom. techn. Ser. No. 12, p. 123—168. '09. 



9883. DAVIS, John J. Two New Genera and Species of Aphididae. — Ann. entom. 



Soc. America, Vol. 2, p. 196—200, 1 tab. '09. 



9884. DAVIS, John J. Chaitophorus negundinus Thos. vs. C. aceris Linn. — Entom. 



News, Vol. 21, p. 14—16, 6 fig. '10. 



9885. DAVIS, John J. Two Curious Species of Aphididae from Illinois. — Entom. 



News, Vol. 21, p. 195—200, 1 tab., 1 fig. '10. 



9886. DAVIS, John J. Aphis aquaticus Jackson vs. Rhopalosiphum nymphaeae Linnaeus. 



— Entom. News, Vol. 21, p. 245—247. '10. 



9887. DAVIS, Wm. T. Observations on Cicada pruinosa and Description of a New 



Species. — Entom. News, Vol. 21, p. 457—458. '10. 



9888. DAVIS, William T. The Periodical Cicada on Long Island, N. Y., in 1910. 



— Journ. N. Y. entom. Soc, Vol. 18, p. 259—260. '10. 



9889. DAVIS, John J. A List of the Aphididae of Illinois, with Notes on some 



of the Species. — Journ. econ. Entom., Vol. 3, p. 407—419, 482—499, 

 2 tab., 27 fig. '10. 



9890. DAVIS, John J. List of the Aphididae of Illinois, with Notes on some of 



the Species. — Journ. econ. Entom , Vol. 4, p. 325—331, 2 fig. '11. 



9891. DAVIS, John J. The Woolly Aphis of Oak (Phyllaphis? querci Fitch.) — 



Entom. News, Vol. 22, p. 241—245, 1 tab. '11. 



9892. DAVIS, Wm. T. Noteworthy Hemiptera collected on Long Island, N. Y. 



— Journ. N. Y. entom. Soc, Vol. 19, p. 112—113. '11. 



9893. DELCOURT. De l'influence de la temperature sur le developpement de 



Notonecta. — C. R. Ass. franc. Av. Sc, Sess. 36, Pt. 1, p. 244—245. '08. 



9894. DELCOURT, A. Amixie regionale chez Notonecta glauca (L.). — C. R. Soc 



Biol. Paris, T. 66, p. 589—596. '09. 



9895. DELCOURT, A. Recherches sur la variabilite du genre »Notonecta' 1 . Con- 



tribution ä l'etude de la notion d'espece. — Bull, scient. France Bel- 

 gique, T. 43, p. 373—461, 1 tab. '09. 



9896. DIGUET, L. Histoire de la Cochenille au Mexique. — Bull. Soc. nation. 



Acclimat. France, Ann. 58, p. 330—334. '11. 



