514 



BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



[VolY. 



smooth, a little longer tliaii wide, rounded on the sides, narrowed near 

 the tip 5 disc convex, with a deep transverse line near the base, upon which 



is a small medial puncture; near the hind 



angle each side is a small elongate fovea. 



Elytra convex, scarcely perceptibly punctu- 



late. Length, l""™. 

 Lake Tahoe, California; two specimens. 



E. COLON, Horn, Trans. Am. Ent. Soc. ii, 

 131. — Elongate, ferruginous, shining, clothed 

 with short sparse coarse yellowish pubes- 

 cence. Head punctulate, feebly impressed. 

 Prothorax a little wider than long, rounded 

 on the sides, slightly narrower in front than 

 at the base, which is finely margined at the 

 middle, but without transverse impressed 

 line; the disc is punctulate, the two large 

 basal punctures are confluent, and the mid- 

 dle one is smaller. Elytra distinctly punc- 

 tured. Length, l""". 



Arizona and San Diego County, California. 

 Two specimens were found by Mr. O. N. San- 

 ford, one of which he has kindly placed in 

 my collection. 



1. E. scitula. 

 3. E. longala. 



2. E. colon. 

 4. E. impressa. 



Syncalypta grisea. — Ovate convex, more pointed behind, black, 

 densely clothed with brownish gray scales, and but slightly mottled ; 

 bristles rather long, and clavate as usual. Length, 2.5""". 



Garland, Colo.; one specimen. Much less robust than 8. strigosa. 

 The sides of the elytra are x)arallel from the base to beyond the middle. 

 The form of S. echinata is regularly oval, and the bristles are larger and 

 more numerous. 8. albonatata is of the same form as 8. echinata, but is 

 conspicuously marked with white spots, and the bristles are shorter and 

 fewer. . 



LmNiCHUS MONTANUS. — Elongatc-oval, more obtuse in front than 

 behind, convex, black, imperceptibly punctulate, thinly clothed with 

 fine short whitish hair. Body beneath shining, prosternum sparsely 

 punctured, deeply channelled for three-fourths its lengtli ; metasternum 

 sparsely and finely x>unctured, finely channelled for nearly its whole 

 length. Hind coxse coarsely j)unctured. Ventral segments sparsely 

 punctulate ; last segment densely punctulate, not impressed. Length, 



9nam 



La Yeta, Colo. ; one specimen. Our species maybe thus tabulated: 



Table of 8peGies of Limnichus. 



Body beneath densely and coarsely punctured.. 

 Body beneath finely, in part sparsely punctured. 



