355 Hemiptera 



214134 Bridwell, J. C. 57.58 Dictyophoiodelphax : 15.3 



1917. Notes on Dictyophorodelpha.c mirabilis. Proc. Hawaiian eutom. Soc. 

 Vol. 3 p. 279—280. 



35 Bridwell, Jolin Colburn. 57.53 Dictjopliorodelpliax (9H 9) 



1919. Dicti/ophorodelphaos praedtcta sp. nov. Proc. Hawaiian enlom. Soc. 

 Vol. 4 p. 72—73, 1 fig. 



36 de Beigevin, Ernest. 57.53 Douraerguella 



1915. Note rectificative a propos de la description du genre Doumerguella 

 Bergev. Bull. Soc. Hist. nat. Afrique du Nord T. 9 p. 117—118. [Syno- 

 nyme du genre Ci/phopterum.'] 



37 OI«en, Chris E. 57.53 Draecnlacephala (73) 



1917. Notes on Draecnlacephala inscripta Van Duzee. Journ. N, Y. entum. 

 Soc. Vol. 25 p. 215-218, 1 pi. (74.7,.9, 75.8,.9, 76.4,.8) 



38 Brittain, W. H., and L. ii. Saunders. 57.53 Empoa : 16.5 



1916. Notes on the Kose Leaf-hopper (Empoa rosae Linn.) in Nova Scotia. 

 Proc. eutom. Soc. Nova Scotia 1916 p. 48—51, 1 pi., 1 fig. 



39 Becker, tJeorge tJ. 57.53 Empoasca : 15 



1918. Empoasca malt Leb. Attacks Man. Psyche Vol. 25 p. 101. 



40 Weiss, Harry B., and Edgar L. Dickersou. 67.53 Empoasca : 15 



1918. The Early Stages of Empoasca trifasciata Gill. Canad. Eutom. 

 Vol. 50 p. 201-205, 1 fig. 



41 Lathrop, Frank K. 57.53 Empoasca : 16.5 



1918, Leaf-Hoppers Injurious lb Apple Trees. Ball. N. Y. agric. Exper. 

 Stat. No. 451 p. 185—200, 4 pis., 2 figg. [Empoasca spp.] 



42 Ball, E. D. 57.53 Empoasca : 16.5 



1919. The Potato Leafhopper and its Relation to the Hopperburn. Journ. 

 econ. Eutom. Vol. 12 p. 149 — 155, 2 pis. {Empoasca mali.{ 



43 Fluke, Charles L. 57.53 Empoasca : 16.5 



1919. Does Bordeaux Mixture Repel the Potato Leafhopper? Jonru., 

 ecou. Eutom. VoL 12 p. 256—257, 



214144 Ball, E. D., and F. A. Feutou. 57.58 Empoasca : 16.5 



1920. What Per Cent of Tipburn is Caused by the Potato Leafhopper ? 

 Journ. econ. Eutom. Vol. 13 p. 218—221, 1 pi. 



45 Parrot, P. J., and R. D. Olmstead. 57.53 Empoasca : 16.5 



1920. The Work of Empoasca mali on Potato Foliage. Jouru. ecou. 

 Eutom. Vol. 13 p. 224-226. 



46 Matansch, Ignaz. 57.53 Euchenopa : 13.11 



1916. Notes on a Peculiar Nymph-Variation of Enchenopa binotata Say. 

 JouLu. N. Y. eutom. Soc. Vol. 24 p. 151—152. 



47 de Bergevlu, Ernest. 57.53 Erythroiicura (65) 



1919. Une variete nouvelle de V Erythronaura parvula des environs d'Al- 

 ger. Bull. Soc. Hist. nat. Afrique du Nord T. 10 p. 72. [ulyericus.] 



48 Edwards, James. 57.53 Eupelix (42) 



1919. On the British Species of Eupelix Gekmar. Eutom, monthly Mag. 

 (3) Vol. 5 p. 105—106. 



49 Mc Atee, W. L. 57.53 Eupterygidae 



1918. Genera of the Eupterygidae. Proc. blol, Soc. Washington Vol. 31 

 p. 109—124. 



.50 Mc Atee, W. L. 57.63 Eupterygidae (71.6) 



1919. Report on a Second Collection of Nova Scotian Leaf-Hoppers, in- 

 cluding Descriptions of New Varieties. Cauad. Eutom. Vol. 51 p. 225— 

 226. [3 nn. varr. in Typhlocyba.] 



51 Laiug, F. 57.53 Eupteryx (4-^1) 



1920. Two Species of Eupteryx New to Britain. Eutom. monthly Mag. 

 (3) Vol. 6 p. 196—197, 2 figg. {E. lobwii and stellulaia.] 



52 Mc Atee, W. L. 57.53 Eupteryx (73) 



1919. I'reliminary Key to the Nearctic Species of Eupteryx. Eutom. News 

 Vol. 80 p. 182-186. [2 nn. varr.] (74.1,.7,.8, 75.2,.3,.5, 77 1) 



214153 Severin, Henry H. P. 67.53 Eutettix : 15.2 



1919. Notes on the Behavior of the Beet Leafhopper (Eutettix tenella 

 Bakeb). Journ. ecou. Eutom. Vol. 12 p. 303—308. [Swarming.] 



