244 
WII.LIAM G. DIETZ, INI. D. 
til)iae, a little stouter : posterior tibire of male feebly curved. Long. 2 — 2.G mm. ; 
.08 — .10 inch. 
Hab. — Arizona, California, Texas. 
The pvgidiuin is but little exjiosed in the male and entirely con- 
cealed in the female. The remarkably large scales ajipear, under a 
moderate magnifying [)0\ver, slightly concave. 
A. afliilis Lee. — Of the same form and coloration as canus, but a trifle 
smaller; the second and third joints of funicle a trifle elongate, equal in length ; 
the scales are smaller in size; tibise more slender, and the posterior of the male 
regularly curved. Long. 2 — 2.3 mm. ; .08 — .09 inch. 
Hab. — Texas, Arizona, New Mexico, California. 
The pygidium is more freely exposed in both sexes; fifth ventral 
segment markedly longer than the fourth, es])ecially in the male. 
A. iiaiiiis Lee. — Elongate, suhparallel ; black, legs rufous, clothed with 
rather large, grayish white scales. Beak long and stout, curved, shining, with 
several rows of punctures each side of the median carina, scaly at the base; 
scape and basal joint of funicle reddish, rest of antennae darker, piceous, second 
and third joints of funicle somewhat elongate, equal in length. Eyes nearly flat- 
not at all free. Head convex, coarsely punctured and densely squamous, frontal 
fovea small. Prothorax a little wider than long, scarcely narrowed in front and 
not constricted at the apex ; base bisinuate, sides feebly rounded ; surface densely 
punctured and .squamous. Elytra elongate, but little wider at the base than the 
prothorax, sides scarcely rounded, broadly rounded at the apex; striae coarse, 
punctures large and rather remote; intersiiaces convex, rugulose. Legs moder- 
ately stout, thinly scaly ; anterior femora more strongly clavate, middle and pos- 
terior scarcely at all; tibiae slender, almost straight, posterior of male moder- 
ately and regularly curved ; tarsi and claws as in the preceding. Long. 1..5 — 1.7 
mm. ; .06 — .07 inch. 
Hab. — Arizona, New Mexico. 
The fifth ventral segment of male is scarcely one-half longer than 
the fourth and of about equal length in the female. The pygidium is 
freely exposed in the male and not at all in the female. 
A. eloiigatii!i» Lee. Plate vi, tigs. 23, 23a. — Strongly elongate, nearly par- 
allel, pitchy-brown, clothed with large, rounded, pale brown and whitish scales. 
Beak moderately long and slender, curved, subojjaque and a little widened from 
base to apex; median carina distinct, substriate each side. Antenuse slender, 
rufo-testaceous, funicle 6-jointed, second and third joints subequal; joints 4-6 
oblong, club darker. Eyes feebly convex, posterior margin free. Head slightly 
convex, punctured and scaly, front with impressed line. Prothorax convex, 
slightly narrowed in front, base bisinuate; sides nearly straight posteriorly, 
feebly rounded in front, apex scarcely constricted and transversely impressed 
behind the anterior margin ; surface densely punctured, a median and lateial 
vittte of pale scales. Elytra a little wider at the base than the prothorax, a trifle 
widened to behind the middle, sides nearly straight for two-thirds their length, 
thence narrowed to and broadly rounded at the tip; stria? wide and deeji, more 
