ORTHOPTERA. 95 



Caudell, a. N. — The Cyrtophj^li of the United States. <Journ. 

 N. Y. Ent. Soc, 1906, pp. 32--t5, pi. 1. 



The Decticina? (a group of Orthoptera) of North America. 



<Proc. U. S. Nat. Mus., xxxii, pp. 285^10, figs. 94, 1907. 

 -Fain. Decticida?. <Gen. Ins., Fasc. T2, pp. 43, pis. 2, 1908, 



ACRIDIID^. 



Stal, C. — Recensio Orthopteroriim. Revue critique des Orthopteres 



decrits pur Linne, De Geer et Thunberg. Part 1. Acrididse. 



Stockholm, 1873, pp. 154. 



A synoptical arrangement of the genera of the family, with descrip- 

 tions of new genera and species. 



Thomas, C. — S^^nopsis of North American Acrididse. <Rep. U. S. 

 Geol. Surv., v, Part 1, 1873. 



A systematical arrangement of the described species of North American 

 locusts; Part 1. Species of the United States; Part 2. Species 

 from other parts of North America. 



ScuDDER, S. H. — Spharagemon, a genus of Q^dipodidse; with a re- 

 vision of the species. <Proc. Boston Soc. Nat. Hist, xvii, pp. 

 467-471, 1875. Separate, under the title: Entomological Notes, 

 IV, pp. 66-70. 



A revision of two American genera of Q^dipodida?. <Proc. 



Boston Soc. Nat. Hist., xvii, pp. 478-485, 1875. Separate, under 

 the title : Entomological Notes, iv, pp. 77-84. 



A synopsis of the genera Encoptolophns and Tragocephala. 



Thomas, C. — Manual of economic entomology. Part III. The Acri- 



didse of Illinois. <9th Rep. St. Ent. 111., 1880, pp. 73-140. 

 Bruner, L. — North American Acrididse, north of Mexico. <3d 



Rep. U. S. Ent. Comm., 1883, pp. 55-61. 



A systematic list of the species described from North America. 

 DE Saussure, H. — Prodromus Q^dipodiorum insectorum ex ordine 



Orthopterorum. <Mem. Soc. Phys. Hist. Nat., Geneva, 1884, 



pp. 254. 



A synoptical monograph of the subfamily aildipodinse of all countries. 

 Stal, C. — Systema Acrideorum. <Bihang Svensk. Vet. Akad. 



Handl., 1878, pp. 100. 



ScuDDER, S. H. — Revision of the Orthopteran group Melanopli 

 (Acridiida?), with special reference to North American forms. 

 <Proc. U. S. Nat. Mus., xx, pp. 1-421, 1897. 



The Orthopteran genus Hippiscus. < Psyche, vi, 1892. [Con- 

 tinued in several numbers.] 



The North xVmerican species of Orphulella. <Can. Ent., 



1899, pp. 177-188. 



