AMERICAN COMPONENTS OF THE TENTYRIIN^ 327 



Others occupy in Hylocrimis ; they are rather singular exceptions, 

 betraying a tendency, even in the present tribe, toward the 

 development of the prominent epistomal lobe, so extremely 

 prevalent elsewhere among those Tentyriinas having a large 

 mentum. The sides of the elytra usually have some erect and 

 widely spaced setae, longer toward base, and particularly 

 developed in incisa and a few other species. The species 

 described by Champion in the " Biologia," under the name 

 Eurynietopon brevicolle^ belongs to this genus in the neighbor- 

 hood of lovgipcnnis. 



Cryptadius Lee. 

 In general habitus this genus, by reason of its broadly oval 

 form and strongl}-, anteriorly narrowed prothorax with obtusely 

 rounded basal angles, is quite different from the two which 

 precede and it is undoubtedly valid. LeConte originally 

 described the clypeus as produced and truncate, which might 

 easily be misleading as it is not as evidently produced as in 

 several species of Tclabis, although somewhat distinctly defined 

 by the two small feeble emarginations as in that genus ; it also 

 resembles Tclabis in the generally muricate character of the 

 sculpture and in the structure of the hind tarsi, where the basal 

 joint does not however so greatly exceed the fourth in length. 

 The species are not numerous and the four before me are con- 

 fined, as far as known, to the maritime regions of southern 

 California, though probably extending also into the adjacent 

 parts of Lower California ; they may be defined as follows : — 



Hind tibiag feebly arcuate to almost straight ; body black or piceous- 

 black in color 2 



Hind tibise strongly arcuate ; body ferruginous throughout, less broadly 

 oval and more acutely pointed behind 5 



2 — Pronotal punctures close and more or less longitudinally elongated 



or strigose medially 3 



Pronotal punctures fine, sparse and simple toward the middle 4 



3 — Body broadly oval, the sides of the prothorax strongly converging, 



the scutellum projecting behind the raised basal margin of the 

 elytra. Convex, alutaceous, black, the legs rufous; head broad, 

 coarsely, closely punctato-scabrous, the eyes moderate, prominent, 

 the sides before them strongly converging and slightly arcuate, 

 the epistoma obviously advanced, with very oblique sides and 

 truncate apex ; prothorax less transverse than in any other species, 



