20G Mr. Butler on various genera of the 



Most nearly allied to H. notata ; the colours excepted, it differs 

 only ill the slighth^ more depressed dorsal process of the thorax, 

 iu front gradually slanting-, instead of almost perpendicular. 



4. Utile eonica. 



Oxygonia eonica, Fairm., Ann. Ent. Ser. 2, iv, p. 302, 3 (1846). 

 Triqnetra reticulata. Walker, List, llomopt. ii, p, 524 (1851). 

 Colombia. Brit. Mus. 



5. Hille 'perfect a. 



Tkelia perfecta, Walker, List. llomopt. Suppl., p. 13S (1858). 

 Rio Napo. Type Brit. Mus. 



This species diif ers from H. eonica in the much less prominent 

 anterior process, and its much more oblique anterior margin ; 

 also in its taAvny colouring with black longitudinal dorsal stripe. 



G. mile nutans. 



Tlilh' nutans, Stal, Ofv. Vetensk. Akad. Fiirh. 18(59, p. 23('). 

 Bogota. 



Seems allied to the preceding, but the black dorsal cai-ina is 

 not indicated in Dr. Stal's description, so that it is probably 

 distinct. 



7. Jlille sulp/iurea, n. sp. PI. Ill, f. 1. 



Sulphur-yellow ; })ronotum covered with rather close brown 

 punctures, five lateral polished longitudinal lines on each side, 

 the third and fourth from the central carina abbreviated ; dorsal 

 keel black, its highest point less prominent and not so acute as 

 in //. eonica, its front margin oblique and hardly perceptible, 

 sub-sinuate ; the front of the thorax (excepting in its less 

 prominent keel), much as in //. dorsalis ; the width at the 

 humeral angles about equal to the height in the centre; humeral 

 angles and a small A like marking over each eye, black ; head 

 about twice as broad as long, spotted with black ; tegmina 

 testaceous, paler along the anterior margin, veins reddish ; 

 oorium yellowish ; tarsi of legs slightlv brownish. Length 

 9 mm. 



Bogota. Type Brit. Mus. 



General coloration of //. dorsalis ; l:)ut, viewed laterally, more 

 like H. perfecta in form, 



