246 MESSRS. MOORE, WALKER, AND SMITH [Mar. 7, 



veinlet, the sixth and seventh divided by the lower subcostal veinlet, 

 the latter spot being very small : hind wing with a subbasal trans- 

 parent spot extending to the extreme abdominal margin, where it is 

 tinged with yellow. Head in front and coxae yellowish white ; spot 

 at base of abdomen above, and a band extending round the abdomen 

 orange-yellow ; anal tuft in female yellowish white. Proboscis, palpi, 

 antennae, and legs black ; tarsi whitish ; antennae tipped with white. 

 Expanse, c? 1tV> 2*5 incn - 



5. Syntomis fytchei, Moore, n. sp. (Plate XVIII. fig. 3.) 



Male. Brownish black : fore wing transparent, veins black ; costa 

 and posterior margin with narrow black border ; space between dis- 

 coidal veinlets, the apex of wing, and exterior margin black, extend- 

 ing upward on the latter near the angle : hind wing with anterior 

 margin and apex narrowly bordered with black. Front of the head 

 white ; collar round thorax, coxae, and a basal and median abdominal 

 band orange-yellow. Proboscis, palpi, antennae, and legs black ; tip 

 of antennae and tarsi whitish. 



Expanse ly^ inch. 



Order ORTHOPTERA. 

 Fam. Acridid^e. 



1. Opomai,a texebrosa, Walker, n. sp. 



Female. Piceous or ferruginous, slender, slightly compressed. 

 Head and prothorax with a very slight middle keel, and with a few 

 very slight longitudinal ridges. Tip of the vertex flat, short-conical ; 

 front tawny, oblique, speckled with black, with four well-defined 

 diverging keels ; inner keels united near the tip of the vertex. An- 

 tennae flat, lanceolate, about twice the length of the head. Prothorax 

 with a very slight keel on each side ; fore border hardly rounded ; 

 hind border slightly rounded. Hind femora as long as the abdomen. 

 Hind tibiae a little shorter than the hind femora ; spines stout, of 

 equal size. Fore wings with irregular and very minute areolets ; 

 those towards the tips larger, elongated, and regular. Hind wings 

 cinereous hyaline, blackish at the tips ; veins black, pale green or 

 pale yellow at the base and along the interior border. 



Length of the body 14 lines ; expansion of the fore wings 24 lines. 



2. Cyrtacanthacris ptjnctipennis, Walker, n. sp. 



Male. Tawny, slender, testaceous beneath. Head short ; tip of 

 the vertex depressed, nearly round ; front punctured, slightly oblique, 

 with four well-defined diverging keels ; inner keels ending in the flat 

 ridge which extends from the tip of the vertex. Antennae slender, 

 a little longer than the head and the prothorax together. Prothorax 

 with a very slight keel, which is most apparent near the hind border ; 

 four transverse impressed lines, the first, as usual, widely interrupted 

 in the middle ; fore border hardly curved ; hind border slightly 

 elongated and angular. Prosternal spine thick, oblique, rounded at 



