64 Mr. W. L. Distant on 



Dorachosa expUcata, sp. n. 



(J . Body above with the head and pronotum ochraceous, 

 the mesonotum greenish ochraceous, and the abdomen casta- 

 neous. Head with a slender oblique black fascia between 

 the eyes and the ocelli, a dark linear transverse fascia on 

 anterior margin of vertex, and with some irregular castaneous 

 marks at the region of the ocelli. Mesonotum with four 

 subobsolete obconical dark spots, the central pair smallest. 

 Head beneath, sternum, legs, and opercula pale ochraceous, 

 the abdomen beneath castaneous ; apices of the femoral spines 

 and apex of the rostrum castaneous. 



Tegmina and wings pale hyaline, the venation ochraceous, 

 inclining to fuscous ; tegmina with the costal membrane and 

 postcostal area ochraceous. 



I'he front has a short central apical sulcation ; the face is 

 very distinctly centrally sulcated and obscurely transversely 

 striate ; the opercula are slender, transverse, and attenuated 

 at the apices, which are well separated from each other. 



Long., excl. tegm., (J 12 millim. ; exp. tegm. 37 millim. 



Hob. Panama, Matachin. 



Tihicen egm, sp. n. 



($ . Body above dull dark ochraceous. Head with the 

 lateral margins of the vertex and the inner margins of the eyes 

 darker in hue. Pronotum with the margins dark fuscous, a 

 central transverse fuscous spot on anterior and posterior 

 margins, and with two faint central, linear, sinuated, fuscous 

 fasciee. Mesonotum with four faint darker obconical spots, 

 the central pair shortest, a lateral fascia and a spot in front 

 of the cruciform elevation of the same colour. Abdomen with 

 the basal area somewhat darker in hue. Body beneath and 

 legs dull dark ochraceous. 



Tegmina and wings pale hyaline, the venation ochraceous, 

 inclining to fuscous ; tegmina with the costal membrane 

 ochraceous, the postcostal area fuscous ; the transverse vein 

 at the base of the second apical area and the apical margin of 

 the lirst apical area infuscated. 



The face is very strongly transversely striate and tlie 

 central sulcation is very narrow. The opercula are very 

 small, with their basal margins somewhat darker in hue. 



Long., excl. tegm., <^ 14 millim. ; exp. tegm. 42 millim. 



Hob. Ega, on the Amazons. 



A small and obscurely marked species, in coloration allied 

 to 2\ guutemalanusj Uist. 



