ACRIDIDjE. 551 



almost straight ; hind border slightly conical. Prosternal spine lanceolate, 

 slightly curved, extending to the fore border of the mesosternum. Abdomen 

 slightly compressed and ridged ; supra-anal lamina short ; cerci and sub- 

 genital lamina wiih black lips, the former curved upward, the latter curved 

 downward. Hind femora a little longer than the abdomen, with black 

 points on both sides and with two black streaks on the inner side, first streak 

 very broad, second very small. Hind tibiae as long as the hind femora. 

 Spines with black tips, those fln the inner side longer than those on the 

 outer side. Fore wings cinereous, rather longer than the hind wings ; 

 veins testaceous ; a discoidal interrupted stripe emitting four broad branches 

 in front, formed by blackish veins and most apparent towards the base, the 

 areolets being there smaller ; two dots in the interrupted part of the stripe 

 and some subcostal dots also formed hy blackish veins. Hind wings pale 

 cinereous, brownish about the tips; veins black, whitish at the base. 

 Length of the body 18 lines ; expansion of the fore wings 38. lines. 



The shorter tibiae of this species and of C. subspurcata distinguish 

 them from C. Americana. 



a. Jamaica. From Mr. Gosse's collection. 



4. CYRTACANTHACRIS PECTORALIS. 



Foem. Testa cea, gracilis ; caput vertice convexa nigro-bilineala, antice 

 depressa et subhexagonali, viltis quatuor lateralibus nigricantibus, 

 carinis frontalibus exlerioribus nigro marginatis; antenna: flavce, 

 apices versus lutece ; prot/iorax vittis duabus latis ferrugineis nigro 

 puslulutis ; mesosternum piceum ; femora postica nigro punctata; 

 alee anticce pallide cinerea, vitta discoidali e strigis plagisque nigro- 

 venosis ; alee poslicce diaphance. 



Female. Testaceous, slender. Head smooth, with two slender black 

 stripes, which are abbreviated towards the hind border and towards the 

 mouth ; vertex convex, depressed in front of the eyes and with six angles, 

 of which the four anterior are rounded ; front oblique, thinly and minutely 

 punctured, wiih four slight keels, the inner keels diverging a little towards 

 the face, the outer bordered with black; two blackish stripes proceeding 

 obliquely from the eyes to the mouth. Eyes red, fusiform, oblique. 

 Antennae yellow, slender, filiform, luteous towards the tips. Prothorax 

 finely scabrous, with two broad ferruginous stripes, which include some 

 black pustules; dorsal keel very slight; four transverse impressed lines, the 

 foremost widely interrupted in the middle; fore border rounded; sides 

 slightly rounded ; hind border much rounded. Prosternal spine pale 

 yellowish, elongate-conical, very slightly curved, extending to the meso- 

 sternum, which is piceous. Hind femora a little longer than the abdomen, 

 with three rows of black points above. Hind tibiae as long as the hind 

 femora, with two rows of white black-tipped spines, those on the inner side 

 longer than those on the outer side. Fore wings pale cinereous, rather 

 longer than the hind wings; veins white, here and there black, and thus 

 forming a discoidal stripe which is composed of streaks and patches. 

 Hind wings pellucid, longer than the abdomen; veins white, black towards 

 the lips. Length of the body 23% lines ; expansion of the fore wings 

 50 lines. 



a. St. Domingo. From Mr. Tweedie's collection. 



