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Article XV. — Synopsis of the Snhjitmllles and (j'cnera of 

 the North American Cercojjidce, with a Bibliof/raphir((I 

 and Sijnonijiniral Caffdof/ne of the Described Species of 

 North America.'' By F. W. Goding, M. D., Ph. D. 



The characters recognized as of family value by Stdl and 

 most of the American students of this group are as follows : 

 Front convex, or compresso-produced ; ocelli two, situated in 

 the vertex, before the base. Thorax large, sexangular or tra- 

 pezoidal. Scutellura small or medium, triangular. Tegmina 

 frequently coriaceous. Legs remote from sides of body, con- 

 forming to it ; coxiii, especially the posterior, short ; til)iie 

 smooth, posterior armed with one or two spines, apex with a 

 crown of spinules.f 



Synopsis of Subfamilies. 



Anterior margin of thorax straight ; eyes equally long and 

 broad Cekcopin^, Stdl. 



Anterior margin of thorax rounded or angular ; eyes some- 

 times transverse ; scutellum flat, triangular. 



Aphrophorin^, Stal. 



Synopsis of Genera. 



SUBFAMILY OEROOPIN^, Stal. 



A. Front destitute of a longitudinal carina. 



a. Front destitute of a longitudinal sulcus. 



Tomaspis, Am. & Serv. 

 aa. Front furnished with a longitudinal sulcus. 



Rhinai(laj\ Am. & Serv. 

 AA. Front furnished with one or more longitudinal carinas 

 at middle. 



*Mexico, Central America, and the West Indies are included. 



t [a Insect Life, Vol. V., page 150, Messrs Riley and How- 

 ard place the genus Ilomalodisca in this family, while all othtr 

 writ'irs place it in the Jassiiie, used in its broadest s^'us-'. 



