344 Mr. Bl'TLEr vn various genera of the 



3. Alcineone centrotoides. 



Hemiptycha centrotoide.'^, Fairm., Ann. Ent., Ser. 2, iv, p. 317, 

 14 (1«46). 



Hab. — ? Brit. Mus. 



4. Alcmeoiie hrevis. 



HemiptijcJLa brevis, Walker, List Homopt. ii, p. 571, 19 

 (1851). 



Hab. — ? Type Brit. Mus. 



5. Alcmeone cin-vicornis. 

 V 



Alcmeone curvicornis, Stal, Ofv. Vetensk. Akad. Furh. hSG'J, 

 p. 256, n. 2. 



Cayenne. 



In colouring this species seems only to differ from A. centro- 

 toides in the pale lateral margins of the posterior process. 



C 

 (I. Alcmeone caseoscalpris, n. sp. 



Form of A. hrrvi.s, but larger, the humeral horns longer, th*^ 

 centre of the pronotum less swollen with a more gradual transi- 

 tion into the terminal process ; bright mahogany red, the head 

 and front of thorax sjDottcd with yellow, pronotum with a broad 

 lateral submarginal streak ; tips of humeral horns and terminal 

 process black ; tegmina pale horn yellow, the veiiis and an 

 apical spot slightly darker. Length of pronotum 11, width at 

 humeral horns 10 ; length of single tegmen 11 mm. 



Hab. — ? Type Brit. Mus. 



This is the Heiniptycha n-jitj-otcidt^y of Walker's List ; but it 

 differs from that species imt only in colovir but in structure, 

 the front margin of the prt)uotum Ixung regularly convex and 

 the humeral horns perfectly continuous with it, so that; instead 

 of being slightly incHned upwards, they take a downward cm-ve. 



HYniiNOE, iStaL 



1. Hyphinoe camelus. 



' Darnis camelus, Gray in Griff. Anim. Kiugd., Ins. ii, p. 260; 

 pi. 109, 3 (1832). 



