new Platypodide and Scolytide. 141 
depression, the upper portion of the front areolate, the vertex 
having a prominent central carina and being furnished 
laterally with closely placed longitudinal strie. Prothorax 
oblong, with a median longitudinal groove on the basal third 
and a single large pore on each side of it close to the anterior 
extremity, whilst nearer the base there are several piliferous 
punctures, the whole surface being irregularly punctured on 
a rimose ground, SH/ytra striate-punctate, the sutural stria 
being the most deeply impressed, the interstices flat and 
shiny, the base of the third broadened, carinate transversely, 
and slightly raised. 
Length 4°38 mm.; breadth 1 mm. 
Portuguese Hast Arnica: Xinavane (C. B. Harden- 
berg). 
Type in the British Museum. 
The male is closely allied to P. melanurus, Chap., but the 
females of that species are without prothoracic pores ; on the 
other hand, the female above described is very similar to 
P. subcavifrons, Clhap., but in the division to which that 
species belongs both sexes have prothoracic pores. 
Cryphalus deter, sp. n. 
Piteh-black, prothorax reddish on the dorsal surface, lees 
and antenne dull brown, Front subconvex, shiny and 
rugose, towards the vertex rimose ; sparsely hairy and deeply 
transversely depressed above the mouth; eyes slightly emar- 
ginate. LProthorax subglobose, broader than long, the sides 
rounded from the base to the apex, anterior edge with four 
prominent recurved teeth, the outer ones being shorter than 
the others, anteriorly sparsely covered with strong recurved 
teeth as far as the node, which extends nearly to the rugose 
base, the whole surface covered with scales and hairs; the 
basal margin prominent, Scutellum small, triangular, and 
rugose. lytva of the same breadth and three-fourths as 
long again as the prothorax ; striz with uniseriate, piliferous, 
shallow punctures ; the interstices slightly convex, with uni- 
seriate, broad, short scales down the centre; the surface 
rugose and closely covered with very small scales, 
Length 2:1 mm.; breadth 1 mm. 
Portuguese Hast ArricA: Xinavane (C. B. Harden- 
berg). 
Type in the British Museum, 
This species closely resembles the description of CO. balano- 
pselaphus, Eggers, but differs in the elytral sculpture, the 
shape of the prothorax, ete, 
