HETEROMERA. 549 
convex, rather narrow, moderately transverse, about equal in width at the base and apex, the sides a 
little rounded and finely denticulate ; legs varying in colour from piceous (with the tarsi paler) to entirely 
testaceous ; anterior tibia unarmed in both sexes. 
Length 23-23 millim. (¢ 9.) 
Hab. Mexico, Motzorongo (Flohr), Teapa in Tabasco (H. H. Smith); Britis Hoy- 
DuRAS, Belize (Blancaneaux); Guatemata, San Juan, Chiacam, Cahabon, and Tamahu 
in Vera Paz (Champion). 
Many specimens, all from the Atlantic slope. A little larger than P. grandicornis ; 
the antenne almost or entirely black, with a longer and much stouter club in the male; 
the head and thorax, at least, piceous. The elytra are usually piceous or pitchy-brown, 
with the shoulders reddish-brown. One of the two specimens from Belize (a female) 
has the thorax and elytra more coarsely punctate, and it may belong to another species. 
Compared with the allied forms, P. nigricornis has an unusually narrow convex thorax. 
2(p). Paratenetus inermis, 
Reddish- or fusco-testaceous ; the upper surface coarsely, densely, confusedly punctate, clothed with long, fine, 
decumbent hairs. Antenne rufo-testaceous, with the club pitchy-brown or pitchy-testaceous, the latter 
long and stout in the male, with joints 9 and 10 almost as long as broad, shorter and very much smaller, 
and with joints 9 and 10 transverse, in the female; prothorax strongly transverse, moderately convex, 
about equal in width at the base and apex, the sides feebly rounded, finely denticulate, and slightly con- 
verging behind ; legs rufo-testaceous ; anterior tibia unarmed in both sexes. 
Length 23-25 millim. (¢ 2.) 
Hab. GuatemaLa, El Tumbador, Zapote, Capetillo, Calderas, Guatemala city 
(Champion). 
In the unarmed anterior tibiz in the male this species resembles P. nigricornis and 
P. tropicalis; it differs from the latter in the much longer and stouter club te the 
male antenna, and is also a little larger and more robust, the thorax is more trans- 
verse, and the punctuation of the upper surface is coarser. P. nigricornis has the 
antenne almost entirely black, the club still larger in the male, and the thorax narrower 
and more convex. 
The description is chiefly taken from two male specimens, the females being some- 
what doubtfully referred to the same species. 
5. Paratenetus punctulatus. 
Paratenetus punctatus, huj. op. p. 241 (nec Spin.). 
Moderately convex, shining, testaceous or pitchy-testaceous, the head and prothorax usually darker, or of a 
more rufous colour, than the elytra; the upper surface thickly clothed with long, semi-erect hairs, densely, 
coarsely, confusedly punctured, the punctures on the head and prothorax very dense and partly confluent. 
Antenne testaceous, with the club piceous or infuscate, the latter similarly formed in both sexes, mode- 
rately stout, joints 9 and 10 transverse ; prothorax transverse, convex, the sides a little rounded and 
coarsely denticulate, the hind angles acute ; elytra with scattered, feeble, tubercular elevations towards 
the sides and apex ; legs testaceous, the femora and tibie sometimes a little darker. 
