Bruner: Orthoptera from Africa. 129 



The present genus is solely African in its distribution. Four species 

 are known. They are characterized by having excessively heavy and 

 long hind femora. 



71. Euthypoda kanguroo (Pictet). 



Macroscirtus kanguroo Pictet, /. c, p. 14, pi. 2, figs. 38, 38a (1888) ; Redtenbacher, 

 /. c, pp. 217, 218 (1892). 



The only specimen of this species in the collection, a female, was 

 taken by \. I. Good at Lolodorf in November, 1913. C. M. Ace. No. 

 5264. 



Genus CoRYCUS Saussure. 



Corycus Saussure, An. Soc. Ent. France, (4), i, p. 487 (1861); Krauss, Zool. 

 Jahrb., Syst., V, pp. 344, 349 (1890); Karsch, Berlin. Ent. Zeitschr., XXXVI, 

 PP- 335. 346 (1891); Redtenbacher, Verb. K. K. Zool.-Bot. Ges. Wien, XLII, 

 pp. 191, 220 (1892). 



Like the two preceding genera this is also a strictly African genus, 

 with its center of distribution about the Gulf of Guinea. Nine species 

 are recognized according to Kirby's Catalogue. They may be 

 separated as follows: 



Synopsis of the Species of Corycus. 



A. Anterior tibiae above plane, not sulcate; subbasally sometimes marked with 

 black. 

 b. Pronotum with the posterior margin subangulate. Tegmina of male 

 wider apically (32 mm.) ; the stridulating area rather simple, with 



few veins jonrinei Saussure. 



bb. Pronotum with its posterior margin obtusangulate. Tegmina of male 

 narrower apically (28 mm.); the stridulating area more complicated, 



provided with several heavy veins kraiissi Kirby. 



A A. Anterior tibiae above sulcate. 



b. Anterior tibiae near their base never marked with a black patch. 



intermedins Redtenbacher. 

 bb. Anterior tibiae immaculate near their base. 



c. Anterior tibiae above less profoundly sulcate. 



d. Posterior margin of the tegmina oblique, angulate above 

 between the internal and posterior margins. 

 e. Tegmina between the internal and posterior margins 



obtusely angulate abruplus Krauss. 



ee. Tegmina between the internal and posterior margins 



acutely angulate karschi Krauss. 



dd. Posterior margin of the tegmina straight, above between the 

 internal and posterior margins irregularly emarginate. 



prcemorsus Krauss. 



ANN. CAR. MUS., XIII, 10, DEC. 8, I92O. 



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