450 HETEROMERA. 
c. Prothorax rugulosely, the elytral interstices finely, punctured. 
6. Phedius mexicanus. 
Black or brownish-piceous, opaque, subglabrous (when fresh clothed with very short pubescence). Head 
closely and somewhat coarsely punctured, a transverse narrow space on the vertex impunctate, the trans- 
verse frontal depression rather shallow ; antenne piceous or ferruginous, rather stout; prothorax long 
and convex, not very much broader than long, the sides almost straight from the middle to the base and 
a little narrowed and rounded in front, the hind angles obtusely rectangular, the base subtruncate 
(sometimes feebly emarginate before the scutellum), the disc (in some examples) shallowly canaliculate, 
the basal fovez indistinct, the surface densely and rugulosely punctured ; scutellum thickly punctured ; 
elytra a little depressed on the disc, very finely and shallowly punctate-striate (the punctures rather 
scattered beyond the basal third), the interstices quite flat and sparsely and minutely punctured, the 
punctures (except at the extreme base) finer than those of the striw; beneath sparsely punctured, the 
ventral surface more finely so ; legs piceous, the tarsi ferruginous. 
Length 7-74 millim.; breadth 33-33 millim. ( 9.) 
Hab. Mexico, Guanajuato (Sallé). 
Six examples. P. mexicanus may be separated from all the preceding species, 
except P. carbonarius, by the rugose thorax and finely punctured elytra; and from the 
latter by the almost glabrous surface. 
7. Phedius funestus. 
Black, opaque, subglabrous. Head closely and rather coarsely punctured, the transverse frontal depression deep ; 
antennee piceous or fusco-ferruginous ; prothorax short, transverse, the sides a little rounded and about 
equally narrowed before and behind, the hind angles obtuse and almost rounded, the base subtruncate 
but sometimes feebly emarginate in the middle and on each side, the basal fovew indistinct, the disc 
unimpressed, the surface densely and rugulosely punctured ; scutellum thickly punctured; elytra finely 
punctate-striate, the punctures becoming much finer beyond the middle, the interstices quite flat and 
sparsely and very finely punctured, the punctures (like those of the stria) coarser at the base and finer 
towards the apex ; beneath coarsely, the venter much more finely and sparsely, punctured; legs piceous, 
the tarsi lighter. 
Length 8-94 millim. ; breadth 33-4 millim. 
Hab. Mexico, San Antonio de Arriba (Sal/é), Tehuacan, Oaxaca (Hége). 
Four examples. This insect is closely allied to P. meaicanus ; it differs from it in its 
larger size, more convex shape, the elytra less finely and more distinctly punctate-striate, 
the thorax shorter and more transverse and with the hind angles almost rounded, and 
the metasternum more coarsely punctured. The thorax is sculptured exactly as in 
P. mexicanus (without trace, however, of a central groove), though the punctures of 
the elytra are deeper and not so fine. P. funestus much resembles certain European 
species of Helops. 
TELESICLES. 
Last joint of the maxillary palpi elongate-triangular, its apical and outer sides about equal; mandibles bifid ; 
head broad, rather deeply sunk into the prothorax; eyes small, very widely separated; antenne stout, 
rather short, joint 3 as long as 4, joints 4-10 rounded at their inner apical angle; prothorax moderately 
transverse, distinctly margined at the sides and base, constricted at the sides behind, the base subtruncate ; 
scutellum transversely triangular, rather small; elytra truncate and a good deal wider than the prothorax 
