1900.] IT* THE HOPE COLLECTION AT OXFORD. 815 



Abdomen probably spined at base, but mutilated there by pin in 

 type and only specimen. 

 Allied to Menida Motsch. 



Actuarius albonotatus. (Plate LIT. fig. 11.) 

 Pentntoma albonotata Westw. in Hope Cat. i. p. 37 (1837). 

 Hab. Gambia. 



Menida histrio. 



Gimex histrio Fabr. Mant. ii. p. 296. n. 176 (1787). 

 Pentatoma bengalensis Westw. in Hope Cat. i. p. 36 (1837). 



Ocirrhoe roei. (Plate LI1. fig. 12.) 



Rhynchocoris roei Westw. in Hope Cat. i. p. 30 (1837) ; Leth. & 

 Sev. Cat. Gen. Hem. i. p. 181 (1893). 



The species identified by Dallas (List Hem. i. p. 297. n. 4, 1851) 

 is not conspecific. 



Ocirrhoe ? virescens. (Plate LIII. fig. 7.) 

 Raphigaster virescens Westw. in Hope Cat. i. p. 31 (1837). 

 The type and only specimen is in a very mutilated condition? 



wanting the abdomen, but the species apparently belongs to the 



genus Ocirrhoe. 



Avicenna, gen. nov. 



Head deflected, moderately broad, lobes of equal length, apex 

 rounded, lateral margins moderately sinuate at about centre. 

 Antennae with the second and third joints subequal in length, or 

 second slightly shorter than the third. Pronotum strongly de- 

 flected anteriorly from between the area of the lateral angles ; 

 lateral margins moderately concavely sinuate, punctate before 

 anterior margin, posterior margin strongly concave at base of 

 scutellum ; posterior angles subprominent, lateral angles produced 

 in long acute spines. Scutellum broad, distinctly narrowed a 

 little before apex. Rostrum with the second and third joints 

 about subequal in length. Sternal process extending beyond base 

 of head. Spines at apices of sixth abdominal segment and anus 

 strongly developed. 



This genus agrees with Mor-na in the concave posterior margin 

 of the pronotum, but differs in not having the posterior pronotal 

 angles acutely produced. It is allied to Vitellus by the shape and 

 production of the sternal process, but differs by the less triangular 

 and elongate head, the longer and non-triangular scutellum, &c. 



Avicenna inquinata. (Plate LIII. fig. 1.) 



Rhynchocoris inquinata Westw. in Hope Cat. i. p. 29 (1837). 

 Cuspicona inquinata Walk. Cat. Het. ii. p. 387. n. 29 (1867). 

 Vitellus inquinatus Leth. <fe Sev. Cat. G«'-ii. lleni. p. 182 (1893). 



