182 PROCEEDINGS OF THE ACADEMY OF [Feb., 



1865. H[om(eogamia] mexicana Brunner, Nouv. Syst. Blatt., p. 360. [Oaxaca, 

 Mexico.] 

 ; 1868. Polyphaga Mexicana Walker, Catal. Blatt. Brit. Mus., p. 15. [Mexico.] 



1870. Homoeogamia Mexicana Saussure, Miss. Scient. Mexique, Orthopt.. 

 p. 108. [Eastern Cordillera, Mexico.] 



1871. Homwogamia Mexicana Walker, Catal. Orth. Saltat. Brit. Mus., V. 

 Suppl. Blatt., p. 3. [Mexico.] 



1879. "Polyphaga {H omoeogamia) mexicana Girard, Traits Ent., |II, p. 62." 



1893. [Homoeogamia] mexicana Saussure, Revue Suisse de Zoologie, I, fasc. 

 2, p. 296. No localities cited. 



1894. Homoeogamia mexicana Saussure and Zehntner, Biol. Cent.-Amer.. 

 Orthopt., I, p. 106. [Ventanas in Durango, Sinaloa, and Cordova in 

 Vera Cruz, Mexico.] 



1900. Homoeogamia mexicana Rehn, Trans. Amer. Ent. Soc, XXVII, p. 85. 

 [Jalapa, Vera Cruz, Mexico.] 



1901. Homoeogamia mexicana Rehn, Trans. Amer. Ent. Soc, XXVII, p. 220. 

 [Jalapa, Vera Cruz, Mexico.] 



1903. Homoeogamia mexicana Rehn, Trans. Amer. Ent. Soc, XXIX, p. 5 

 (Part). [Jalapa, Vera Cruz, Mexico.] 



Description. — d"'. Body flattened, moderately elongate. Head 

 completely liidden under the pronotum; interspace between the eyes 

 about one-fourth that between the ocelli; antennae equal to the body 

 in length, setaceous. Pronotum elongate pentagonous, arched trans- 

 versely, and supplied with a distinct median carina ; the lateral sections 

 shorter than the other dimensions, and converging posteriorly, the 

 posterior border which is linear, being the longest; surface scabrous, 

 the borders, beset with short hairs. Tegmina large, exceeding the 

 abdomen by one-half of their length ; surface coriaceous, sub-scabrous 

 at base, and becoming membranaceous along the posterior (internal) 

 margin, anterior margin hirsute; basal field broad, extending almost 

 the whole length of the tegmina, nervures obscured in the basal portion ; 

 discoidal field with the nervures sub-arcuate, ramose; anal field witli 

 the principal nervures arcuate, all involved in an irregularly connected 

 mass by numerous cross branches. Wings about as long as the pro- 

 notum, apex rounded. Supra-anal plate with the apex bilobate, the 

 dividing emargination being narrow and comparatively shallow; sub- 

 genital plate transverse, centrally emarginate; cerci short, sparsely 

 hirsute. Tibiae with three rows of spines on their upper surfaces; 

 apical spurs six in number. Metatarsi of anterior limbs more than 

 half as long, of median limbs half as long, and of posterior limbs less 

 than half as long as their respective tibiae. 



General color reddish-brown, strongest on the pronotum and anal 

 field of the tegmina. Head brownish-black, ocelH orange, and clypeus 

 and labrum dull luteous ; antennae brownish, the extreme base blackish. 

 Under surface and hmbs reddish-brown, the apical section of the abdo- 

 men suffused with blackish. Pronotum frequently marked laterally 

 with very dull reddish. Tegmina sprinkled with translucent spots, 



