The Entomological Writings of Ezra Townsend Cresson 



(1861-1911) 



1861. Catalogue of the Cicixdelidae of North America. Proc. 

 Ent. Soc. Phil., I, 7-20. 

 ( 1) Catalogue of the described species of Temhredinidae 

 and Uroceridae, inhabiting North America. Proc. 

 Ent. Soc. Phil., I, 33-39. 

 (2) A Catalogue of the described species of several families 

 of Hymenoptera inhabiting North America. Proc. 

 Ent. Soc. Phil., I, 202-211, 227-238, 316-344. 



1863. (3) Description of a new species of Masaris from the 



Rocky Mountains. Proc. Ent. Soc. Phil., II, 69-74, 

 pi. iv. 



(4) List of the North American species of Bombus and 



Apathus. Proc. Ent. Soc. Phil., II, 83-116. 



(5) [A communication on some Bom bets with description 



of a new species.] Proc. Ent. Soc. Phil., II. 164-166. 



(6) On the North American species of the genus NOMADA. 



Proc. Ent. Soc. Phil., II, 280-312. 



1864. (7) On the North American species of several genera of 



Apidae. Proc. Ent. Soc. Phil., II, 373-411. 



(8) On the North American species of the genus Osmia. 



Proc. Ent. Soc. Phil., Ill, 17-38. 



(9) Descriptions of several new speck's of North American 



Apidae. Proc. Ent. Soc. Phil., Ill, 3< s 43- 



(10) Descriptions of North American Hymenoptera in the 



collection of the Entomological Society of Philadel- 

 phia. Proc. Ent. Soc. Phil., HI. 131 to<». 257 321. 



(11) Descriptions of two new genera of North American 



ICHNEUMONIDAE. Proc. Ent. Soc. Phil., III. 397- 

 402. 



(12) Descriptions of two new >pcvies of Masaris. Proc. 



Ent. Soc. Phil., Ill, 672-678. 



MEM. AM. ENT. SOC, I. 



