NATURAL SCIENCES OF PHILADELPHIA. 31 



jiiul sides oblique ; front margin not produced. L. .19. California 

 (Leconte). 



9. G. smaragdulus (Lee), Pac. R. Rep. p. 67. 



Yery closely allied to G. cuprascens, but greenish-blue, very 

 shortly and slightly pubescent; thorax always more finely and 

 more*densely punctate than the elytra. L. .17-.19. California 

 (Leconte). 



These two species have the appearance of Heieraspis, but agree 

 with Glyptoscelis in the punctate elj^tra, lobed thorax, etc. 



Myochrous (Chev.), Lee. 



1. M. denticollis (Say), J. Acad., iii. 448. 



Subelongate, subjieneous, densely clothed with easily abraded 

 gray scale-like hairs; antennal club infuscate, legs subseneous ; 

 head and thorax very densely and not strongly punctate, opaque, 

 subscabrous, the latter broader than long; front angles deflexed, 

 sides tridentate; elytra with about sixteen rows of closely packed 

 deepljMmpressed punctures; interstices hardly visible; under side 

 evidently punctate. L. .20-.22. Texas, Southern and Western 

 Slates. 



2. M. longulus, Lee. Pr. Acad. 1858, 86. 



More elongate, parallel; thorax longer than broad, sparingly 

 punctate; elytra punctate striate; interstices as broad as the punc- 

 tures ; surface densely clothed with yellowish scale-like hairs. L. 

 .20. California. 



3. M. squamosus, Lee. CoL Kans. p. 24. 



Form of M. denticollis, but thorax rather lonsrer than broad . 

 sides not denticulate ; surface closelj^ and densely rugulose; elytra 

 with thirteen punctate striie; punctures not deep; interstices 

 closely punctulate; surface covered with short rounded scales. 

 L. .20 Kansas, Colorado. 



Chrysochus, Chev. 



I. C. auratus, Fab. Syst. EL, i. p. 419. 



Oblong, convex, brilliant polished green ; elytra golden-green 

 varied with coppery ; head and thorax XQvy sparsely coarsely 

 punctate, surface covered with minute sparse punctures; elytra 



