Hemiptera. 464 



68567 Morgau, T. H. 57.52 Phylloxera : 13.11 



1912, The elimination of the sex chromosomes from the male-produc- 

 ing eggs of Phylloxerans. Jouru. exper. Zool. Vol, 12 p. 479—498, 

 4 figg. 



68 Dewitz, J. 57.52 Phylloxera : 16.5 



1912. Untersuchungen an Reblausen. I. Versuche beziiglich der Moglich- 

 keit, die IVJoselberge mit der Reblaus zu infizieren. Ber. Lehranst. Wein- 

 Obst & Gartenbau (Jeisenheim 1911 p. 285-292. 



69 Faes, H. 67.52 Phylloxera : 16.5 



1911. Nouvelles recherches sur les Phylloxera. Terre vaudoise Ann. 3 

 p. 223-225, 3 figg. 



70 Faes, H. 57,52 Phylloxera : 16.5 



1911. Phylloxera. Rapport de la Station viticole sur les travaux de 1910. 

 Terre vaudoise Ann. 3 p. 34G— 347, 353—354. 



71 Pergande, Theo. 57.52 Prociphilns : 16.5 



1912. The Life History of the Aider Blight Aphis. U. S. Dept. Agric, 

 Knr. Entoni. techn. Ser. Ko. 24, 28 pp., 12 figg. 



72 . , . 57.52 Pseudococcns : 07 



1912. Staining Coccidae for Determination, with special Reference to the 

 Genus Pseudococcus. Anu. entoui. Soc. Amer. Vol. 5 p. 187—188, 3 pis., 



1 fig. 



73 Essig, E. 0. 57.52 Pseudococcus : 16.5 



1911. The Natural Enemies of the Citrus Mealy Bug III. Ponioua 

 Jouru. Entom. Vol. 3 p. 390—397, 4 figg. — IV. p. 518—522, 3 figg. 



74 Sulc, Karel. 57.52 Psylla 



1911. Beitrage zur Keuntnis der Psylloden II. Bull, mtern. Acad. So. 

 Prague CI. 8c. math. nat. Med. Ann. 16 p. 24—56, 10 Taf. 



75 Parrott, P. J., and H. E. Hodgkiss. 57.52 Psylla : 16.5 



1912. The Susceptibility of Adults and Eggs of Pear Fsylla to Spraying 

 Mixtures. Jouru. econ. Eutoin. Vol. 5 p. 193—194. 



68576 Aulmann, Gg. 57.52 Psyllidae (67) 



1912. Beitrage zur Kenntnis der afrikanischen Psylliden-Fauna. Entom. 

 Kundsch. Jahrg. 29 p. 100—101, 4 figg. [Kleiniella n. g. superba n. sp.] 

 — Neue Fundorte afrikanischer Psylliden-Arten, p. 101. (6 7.1, .8) 



77 Patch, Edith M. 57.52 Psyllidae (7) 



1912. Notes on Psyllidae, Bull. No. 202 Maine agric. Exper. Stat. 

 (Pap. Maine agric. Exper. Stat. Eutoui. No. 55) p. 215—232, 10 pis. [16 

 nn spp. in : Aphalara 2, Psylla 6, Pachyyiylla 3, Trioza 4, Neotriozella^ 



(71.3, 74.1,.6,.7, 77.8, 78.8, 79.1,.4) 



78 Riviere, €. 57.52 Pulvinarla : 16.5 



1912. Pulvinaria canalicola (Cochenille polyphage). Bull. Soc. nation. 

 Acclimat. France Ann. 59 p. 131—132. 



79 Theobald, Fred V. 57.52 Rhopalosiphum (42.23) 



1912. Notes on Rhopalosiphum solani, Haltenbach. Entomologist Vol. 45 

 p. 165-168, 2 figg. 



80 Qnayle, H. J., and E. W. Rust. 57.52 Saissetia : 16.5 



1911. The Black Scale. Saissetia olece Bern. Bull, agric. Exper. Stat. 

 California No. 223 p. 151—200, 24 figg. 



Si Patch, Edith M. 57.52 Schizoneura : 15.3 



1912. WoUy Aphid Migration from Elm to Mountain Ash. (Pap. Maine 

 agric. Exper. Stat. Entom. No. 59). Journ. ecou. Entom. Vol. 5 p. 395 

 398 1 pi. 



82 Auirein, Chrys. 57.52 Schizoneura : 16.5 



1901. Die Blutlaus. Scliweiz. landwirtsch. Zeitschr. Jahrg. 29 p. 1064 



—1086. 

 g3 , . . 67.52 Schizoneura : 16.5 



1902. Die Blutlaus und ihre Vertilgung. Schweiz. landwirtsch. Zeit- 

 schr. Jahrg. 30 p. 914-916. 



68584 . . . 67.52 Schizoneura : 16.5 



1911. Destruction du puceron ianigere. Terre v.iudoise Anu. 3 p. 477 



-478, 5 figg. 



