1878. } 319 {[LeConte. 
5. Prothorax shining, elytral strize usually composed of distant punctures. 6. 
Prothorax less shining, elytral strive of small, less distant punctures. .7. 
6. Elytra with striz of small, close-set punctures, not effaced behind...... 
. 7. tuberculatus, n. sp. 
Elytra with striz of large, distant punctures, effaced behind.8. nitidus. 
Elytra more convex and more oval, strix effaced. .9. leevipennis, n. sp. 
7. Disc of prothorax lobed behind the front angles... .10. foveicollis, n. sp. 
Disc of prothorax not lobed behind the front angles.................. 
11. benefossus, n. sp. 
8. Prothorax with dorsal channel fine, interrupted, or obsolete......... 9. 
Prothorax with dorsal channel deep, entire...............ccesceee. 10. 
9. Discoidal impressions of prothorax forming sinuate lines; dorsal line in- 
He MINI) GE Gearavaper ans ateyel ster rctiars) oot of ual oie = (elavalerstel ae ievsiore 12. sculptus, n. sp. 
Discoidal impressions vague, connected transversely ; dorsal line obso- 
GWE sees sSoptobuaudsod socoobnee dtd br doldecadose te 13. Holmbergi. 
Discoidal impressions forming fine, sinuate lines ; dorsal line fine, ab- 
re vawueduah ed Gly em Gls eters: clalere aac elie careyelsicia fave) ele tetss <tc 14. lineatus. 
10. Discoidal impressions deep, not confluent, prothorax more transverse, 
and feebly punctured (reverts towards No. 4)........15. interruptus. 
12. Ochthebius discretus, n. sp.—Dull brownish-bronze, elong- 
ate-oval, moderately convex ; head with strongly impressed frontal suture ; 
front sparsely, hind part coarsely punctured, with two large fover, and a 
small posterior impression. Prothorax fwice as wide as long, much 
rounded on the sides, pellucid margin very nurrow, dilated inwards at 
base ; disc greenish-bronze, strongly punctured, deeply channeled, with 
two deep, oblong impressions each side, and another half way to the lat- 
eral margin. Elytra but slightly wider than the prothorax, striz deep, 
closely punctured, fainter and nearly obliterated at tip. Legs and under 
surface dull testaceous. Length 2 mm.; .075 inch. 
California, San Mateo, Gilroy and San Diego; Mr. G. R. 
Crotch; Dr. Horn has received a smaller specimen from 
Canada. Resembles O. puncticollis, but is smaller and less ro- 
bust, and the outer dorsal lines are interrupted so as to form 
two deep impressions. 
13. Ochthebius rectus, n. sp.—Oval, convex, dark bronzed, not 
very shining. Prothorax twice as wide as long, pellucid margin rather 
broad, rounded on the sides, suddenly dilated inwards near the base ; disc 
with the outline straight from the front angles to the posterior deep emar- 
gination ; convex, deeply and coarsely punctured ; dorsal line deep, dis- 
coidal impressions deep, nearly united, lateral impressions large, deep. 
Elytra with striz of large and deep quadrate punctures. Legs dark-testa- 
ceous. Length 14 mm.; .06 inch. 
Fort Tejon, Cal.; Mr. Crotch, one specimen. Related to 
