56 



ACKIDIDJ3. 



0. Stal.— Recensio Orthopteroram. Eevue critique des Orthoptferes 

 d^critsparLinn^jDeGeeretThunberg. Parti. Acrididae. Stock- 

 holm, 1873. 



A synoptical arrangement of the genera of the family, with descriptions of 

 new genera and species. 



Oybxjs Thomas.— Synopsis of North American Acrididae. <Report U. 

 S. Geol. Survey, Vol. V, Part J, 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. 



Samxtbl H. Scuddee. — Spharagemon, a genus of CEdipodidae; with 

 a revision of the species. <Proc. Boston Soc. Kat. Hist., Vol. XVII, 

 1875, pp. 467-471. Separate, under the title: Entomol. Notes, IV, 

 pp. 66-70. 



A synopsis of the genus, with descriptions of new species. 



Samuel H. Souddee. — A revision of two American genera of OEdi 

 podidae. <Proc. Boston Soc. Nat. Hist., Vol. XVII, 1875, pp. 478- 

 ■185. Separate, under the title: Entomol. Notes, Vol. IV, pp. 77-84. 

 A synopsis of the genera Encoptolophus and Tragocephala. 



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

 didae of Illinois. <Ninth Report of the State Entomologist . . . 

 of the State of Illinois, 1880, pp. 73-140. 



Contains a synoptical table or key to the families of Orthoptera, a key to the 

 snbfamilies and genera, and a key to the Illinois species of Acrididae. 



Lawrence Brxjnee, — North American Acrididae, north of Mexico. 

 <Third Report U. S. Entomolog. Commission, 1883, pp. 55-61. 

 A systematical list of the species described from North America. 



Henei de Saussuee. — Prodromus CBdipodiorum Insectorum ex ordine 

 Orthopterorum. Genfeve, 1884, 4to, 254 pp. 



A synoptical monograph of the subfamily (Edipodinse of all countries, with 

 descriptions of new species. 



