1877. ] COLLECTION MADE BY H.M.S. ‘ PETEREL.’ 91 
5. DrLPHAX SIMULANS. 
Delphaz simulans, Walker, Cat. Homopt. ii. p. 355, n. 24. 
Charles and James Islands (C. Darwin). 
6. DELTOCEPHALUS OBLIQUUS. 
Acocephalus obliquus, Walker, Cat. Homopt. iii. p. 851. n. 23. 
7. JASSUS PLANUS, N. sp. 
Above sordid testaceous ; pronotum in front, and head, ochraceous, 
the latter with a greyish spot in the centre of the ocelli; tegmina 
pale testaceous, hyaline; pectus and venter pale testaceous ; rostrum 
and legs sandy yellow ; eyes brown; ocelli black: head very broad, 
exceedingly short from the vertex hindwards, convex in front, con- 
cave behind ; thorax convex in front, the sides converging, subsinuate, 
and ending in a truncate slightly convex line behind; scutellum 
triangular, all the sides slightly sinuate; tegmina extending conside- 
rably beyond the abdomen, rather narrow, distinctly convex in front ; 
rostrum extending to the second pair of coxe, broad and angulated 
at base, its basal article centrally tumid ; hind tibiee with about seven 
external strong spines: length of body 3 millimetres, including the 
tegmina 43 millimetres. 
One example from Charles Island (C. Darwin). 
8. JASSUS LUCIDUS, Nn. sp. 
Shining mustard-yellow; tegmina whitish, transparent ; wings 
white; head broad, exceedingly short from the vertex hindwards, 
convex in front, concave behind ; thorax transverse, much broader 
than long, very convex in front, less so behind ; scutellum triangular ; 
tegmina extending considerably beyond the body, rather narrow, 
slightly convex in front; rostrum nearly as in preceding species, but 
narrow at base ; hind tibize densely spined: length of body about 
22 millimetres, including the tegmina about 33. 
One example, James Island (C. Darwin). 
The specimen being somewhat damaged, I have been unable to 
take absolutely definite measurements. 
9. JASSUS STRIOLARIS, 0. sp. 
Head testaceous, above with a central and lateral longitudinal line 
and a spot on each side between them, black; frons with a central 
line and the ocelli black ; thorax black, with two central dots in 
front, and two U-shaped markings on the posterior half, testaceous ; 
scutellum testaceous ; tegmina black, with longitudinal testaceous 
veinings ; body below black; legs testaceous: structure as in I. planus: 
length of body 3 millimetres, including the tegmina 43 millimetres. 
Charles Island (C. Darwin). 
XI. Ecurnopermata. By Epear Sirs. 
I. Ecuint. 
]. Ciparis THOvVARSH, Val. 
2. TOXOPNEUSTES SEMITUBERCULATUS, Val. 
