98 THE REPORT OF THE ENTOMOLOGICAL SOCIETY. No. 19 



Wm. SaundeRvS. 



Saunders. Insects Injurious to FruHs, 1883. 



Henry Shimer. 



Shimer, 1869. Descriptions o-f Two Acarians bred from the White Maple. 

 American Entomological Society Transactions, 2:319. 

 A Summer Study of Hickory Galls, with description of supposed new 

 insects bred therefrom. Trans. Amer. Ent. Soc, 1869, pp. 386-398. 



J. M. Stedman. 



Stedman. The Woolly Aphis of the Apple, or the Apple-Root Plant Louse 

 (Schizoneura lanigera Hansen). Missouri Agri. Ex. Station, Cir- 

 cular No. 6, 1898. 



Cyrus Thomas. 



Thomas. 8th Report of the Illinois State Entomologist, 1879. 



Dr. C. Gr. de Dalla Torre. 



Dalla Torre. Catalogue Hymenopterorum, Cynipidse, Vol. II., 1893. 



A. Trotter. 



Trotter, 1903. Descrizione di varie galle dell' America del Nord. Marcellia 

 2:63-75. 



C. H. Tyler Townsend. 



Townsend, 1893. Stem Gall on Ephedra Nevadense. Entomological News, 

 4:242-243. 

 A Cabbage-like Cecidomyidous Gall on Bigelovia. Psyche, 6:491. 

 A Cocks-comb Gall on Rhus microphyla. Psyche, 6:504-505. 

 On a Fleshy Leaf Gall on Scrub Oak. Psyche, 6 : 523. 

 A Cone-like Cecidomyid Gall on Bigelovia. Psyche, 7:176. 

 A Psyllid Leaf-Gall on Celtis. Probably Pachypsylla celtidis-pubescens, 



Riley. Psyche, 7:187-188. 

 Gall of Eurytoma sp. on the Cat's-claw Thorn. Psyche, 7:202-203. 



B. D. Walsh. 



Walsh, 1864, 1867. On the Insects, Coleopterous, Hymenopterous and Dip- 

 terous Inhabiting the Galls of Certain Species of Willow. Entomo- 

 logical Society of Philadelphia Proceedings, 3:543-644; 6:223-88. 



On the Genera of Aphididse found in the United States. Proc. Ent. 

 Soc, Phil., Vol. I., No. 9, p. 294. 



On Dimorphism of the 'Hymenopterous genus, Cynips, with appendix, 

 containing lists for a new classification of Cynipidse and a list of Cyn- 

 ipidse, including description of several species inhabiting the Oak 

 Galls of Illinois. Proc. Ent. Soc, Phil., Vol. II., No. 4, pp. 445-500. 



