124. 1916. Theobald F. V.; Aphididae found on the apple in Britain and 



the description of a new species from Africa. The Canadian 

 Entomologist. 



125. 1916. Theobald F. V.: Notes on Aphididae found in Auts' Nests. 



The Entomologist. 



126. 1916. Theobald F. V.: Notes on new and little known British Aphi^ 



dides. The Entomologist. 



127. 1916. Webster F. M.: The Spring Grain Aphis or »Green Bug« en 



the Southwest and the Possibilities of an Outbreak in 1916. 

 U. S. Dept. Agric. Bur. Entom. Circ. No. 55. 



128. 1916. Wilson H. F.: Additional Notes on the genus Pterocomma. 



Ann. entom. Soc. Amer. Vol. 9. 



129. 1917. Allard H. A.: Further Studies of the Mosaic. Disease of To* 



bacco. Journ. agric. Research. Vol. 10. 



130. 1917. Baker A. C: Some Sensory Structures in the Aphididae. 



Canad. Entom. Vol. 49. 



131. 1917. Baker A. C: Life History of Macrosiphum ilhnoisensis, the 



Grapevine Aphis. Journ. agric. Research. "Vol. 11. 



132. 1917. Baker A. C: On the Chinese Gall. Entom. News. Vol. 28. 



133. 1917 Baker A. C. and Davidson W. M.: Woolly Pear Aphis. Journ. 



agric. Research. Vol. 6. 



134. 1917. Davidson W. M.; Little Known western Plant Licc. II. Journ. 



econ. Entom. Vol. 10. 



135. 1917. Davidson W. M.: The Reddish=Brown Plum Aphis. (Ropalo< 



siphum nympheae Lin.) Journ. econ. Entom. Vol. 10. 



136. 1917. Dewitz J.: Uber Hámolysine (x\phidolysine) bei Pflanzen* 



láusen. Zool. Anz., Bd. 48. — Serobiolog. Studien iiber Blatt.= 

 láuse und deren Wirtspflanzen, von Thiem. Nat. Wochenschr., 

 Bd. 32. 



137. 1917. Essig E. O.: Aphididae of California, New Species of Aphi= 



didae and Notes from Various Parts of the State, but Chiefly 

 from the Campus of the University of California, Berkeley, 

 CaHfornia. Univ. California PubUc. Entom. Vol. 1. 



138. 1917. Gillette C. P.: Two New Aphid Genera and some. New Spe* 



cies. Canad. Entom. Vol. 49. 



139. 1917. Gillette C. P.: Some Colorado Species of the Genus Lachnus. 



Ann. entom. Soc. Amer. Vol. 10. 



140. 1917. Gillette C. P. and Bragg L. C: The Migratory Habits of 



Myzus ribis Lin. Journ. econ. Entom. Vol. 10. 



141. 1917. Glaser R. \V.: Anthocvanin in Pterocomma smithiae (Mon.). 



Psyche, Vol. 24. 



142. 1917. Grassi B. and Topi M.: Esistona diverse razze di fillossera 



della vité? Rend Accad. Lincei, Vol. 26. Gem. 1. 



143. 1917.: Kelly E. O. G.: The Green Bug (Toxoptera graminum Rond.) 



Outbreak of 1916. Journ. econ. Entom. Vol. 10. 



144. 1917. Matsumura S.: A list of the x\phididae of Japan, with De* 



scription of New Species and Genera. Journ. Coll. Agric. Saps 

 poro, Vol. 7. 



145. 1917. Merill J. H.: Further Data on the Relation between Aphids 



and Fire Blight (Bacillus amvlovorus). Journ. econ. Entom. 

 Vol. 10. 



146. 1917. Patch E. M.: Eastern Aphids, New or Little Known. Journ. 



econ. Entom. Vol. 10. 



61 



