AMERICAN COMPONENTS OF THE TENTYRIIN^ 513 



The species described above under the name sponsa, is some- 

 times identified as crislata Esch., but erroneously, as it is con- 

 fined to the eastern side of the Sacramento Valley and to the 

 Sierras, while the locality of cristata is the sea-coast region in 

 the neighborhood of San Francisco; the name galeaia Lee, 

 will therefore have to fall as a synonym of that species. One 

 specimen of segnis has the cariniform tubercles of the series 

 between the ridges very remotely separated, giving it a remark- 

 ably different facies, but it is probably an aberrational form. I 

 have been unable to discover any clearly marked secondary sex- 

 ual characters in this genus. 



The genera Cryptoglossa Sol., Centrioptera Mann., with its 

 subgenus Oochila Lee, and Schizilliis Horn, the last having 

 the antennee. as in Centrioptera but with the eyes completely 

 divided, from a tribe apart, known as the Cryptoglossini. It 

 appears to be much more closely related to the Nyctoporini and 

 Aiiepsius than to the Asidini, in many important characters. 

 The species are large and well known in collections, so that a 

 special revision is not necessary at the present time : no further 

 allusion will be made to it, therefore, except to describe the fol- 

 lowing species of the genus Centrioptera : — 



Body nearly as in niuricata Lee, but rather smaller and decidedly 

 more slender, deep black in color and strongly shining, glabrous ; 

 head rather wide than long, the sides anteriorly less converging 

 and the apex much more broadly truncate than in imcricata^ with 

 very broadly rounded angles, the surface broadly impressed trans- 

 versely just behind the middle, the impression not attaining the 

 sides, somewhat coarsely but sparsely punctured anteriorly, except 

 in a large median impunctate area, finely, sparsely punctate 

 basally ; prothorax formed almost exactly as in niuricata through- 

 out and similarly punctured but less transverse, more shining and 

 with the surface near the sides not somewhat broadly and very 

 evidently reflexed, as in that species, but continuing the moderate 

 convexity evenly to the prominent marginal bead ; scutellum 

 larger and more transverse ; elytra in general similar to those of 

 muricata in form and sculpture but much less inflated, strongly 

 shining ; under surface and legs nearly similar, except that they 

 are strongly shining and not opaque, the tibia; and tarsi much less 

 setulose and the tarsal claws notably smaller and less arcuate. 

 Length 16.5 mm.; width 6.3 mm. Utah (southwestern), — C. 

 J. Weidt utensis n. sp. 



I have before me but a single specimen of undetermined sex, 

 though, because of the scarcely flattened median parts of the 

 abdomen, it is probably a female. 



