394 WILLIAM G. DIETZ, M.D. 



aminatiou of an unusually large number of specimens at my dis- 

 posal. The species, while bearing a great deal of resemblance to 

 each othei', present, nevertheless, considerable uniformity in appear- 

 ance and size, and with the aid of the figures and descriptions the 

 student will be enabled to identify his material with certainty. 



Middle and posterior tibise stouter, conspicuously widened toward the apex, dis- 

 tinctly toothed or angulated above the latter, tarsi never very 

 slender, orbital margin elevated, front concave. PI. xii. figs. 5, 5a. 

 Front transversely grooved ; scales mottled. 



Larger, middle tibiae feebly emarginate above the apex, apical book of male 



minute. PI. xii, fig. 5 califoriiictis. 



Smaller, middle tibise deeply emarginate, inner angle prolonged into a strong 



mucro. PI. xii, fig. 6(i rrontalis. 



Front without transverse groove. 



Posterior tibial tooth rectangular, scales predominantly grayish white, in- 

 conspicuously mottled. PI. xii, fig. 7 griseu!«. 



Posterior tibia? acutely angulated. 

 Tibise stouter, posterior without supra-apical emargination. PI. xii. fig. 8. 



Tibiaj more slender, posterior emarginate above the apex. PI. xii, fig. 10. 



curt us. 

 Middle and posterior tibiai slender, at most subangulate, never obviously widened 

 toward the apex. PI. xii. fig. 94- 

 Tarsi broad, stout, upper margin of eye not raised above level of front. 



aceplialns. 

 Tarsi slender. 

 Prothorax strongly constricted at the apex. 

 Outer joints of funicle not mai-kedly wider. 



Very stout, scales unicolorous grayish white, without regularly arranged 

 spots of condensed paler scales ; tarsi very slender. PI. xii, fig. 11. 



iarNaliw. 

 Leas robust, above with regularly arranged spots of condensed scales. 

 PI. xii, figs. 3 and 4. 

 Scales pale ochi-eous. middle tibiaj emarginate above the apex, outer 

 apical angle acute, elytral stria; wider a/nd more deeply imi)i'essed. 



^lltlsilliS. 

 Scales grayish, middle tibia; not emarginate, outer angle nuinded 



elytral strije finer |>«m'|>1<'.viis. 



Outer joints of funicle much widened, scales predominantly dark lu-owu. 



with spots of condensed pale scales *. .iiieiidic'iiw. 



Prothorax not constricted at the apex. PI. xii, fig. 4 |»ii$>»illii!«. 



A. califoniii'iis n. sp. PI. xii, figs. 5, .5«. — Oval, robust, dark j)iceous, legs 

 and antenna; ferruginous, above densely scaly, scales darkish brown, mottled with 

 pale .spots, underside densely clothed with large, dirty white scales. Legs coarsely 

 pubescent; beak rather stout, curved, coar.sely punctured and pubescent, a feebly 

 elevated median line, antennic inserted about the middle, first joint of funicle 

 longer than the second, this a little longer than the third, which is e(|ual to tlie 



