76 GEORGE II. HORN, M. D. 



PSEUDOMORPHA, Kirby. 

 P. Behrensi, n. sp. — Oblong parallel, moderately depresserl, piceous black, 

 shining. HeaJ smooth, with but few distant punctures each bearing an erect 

 yellow hair. Thorax moderately convex, nearly twice as broad as long, apex 

 feebly eraarginate, angles obtuse, sides strongly rounded, slightly converging to 

 apex, hind angles broadly rounded, base truncate ; sparsely muricately punc- 

 tured, each puncture with an erect hair, margin slightly reflexed and sparsely 

 fuubriate. Elytra parallel, nearly twice longer than broad, feebly convex, 

 sparsely muricately punctured, each puncture with a yellowish erect hair, 

 margin sparsely fimbriate with yellow hairs. Body beneath ferruginous 

 brown, abdomen punctured and pilose. Legs ferruginous, femora very robust. 

 Length .38 inch ; 9.5 ram. 



This species differs from Cronkhitet, Horn, in having the form more 

 parallel and more convex. The thorax is much more convex and not 

 as broad and the sides are mare broadly rounded and converge less to 

 the apex ; the lateral margin is more broadly reflexed and the inj- 

 pression within, consequently deeper and extending faintly within the 

 hind angles. In this species the disc of thorax has a median faintly 

 elevated ridge which is scarcely at all evident in Cronkhitei The 

 elytra of ^e/i/'CJisi are parallel on the sides while, in Cronkhitei they eon- 

 verge toward the apex, in the latter species the elytra are nearly 

 smooth with scarcely any traces of punctures, in the latter species the 

 muricate punctures arc quite strong and though confusedly arranged at 

 base are in strias beyond the middle. The femora of B Jirensi are 

 much more robust than those of the other species. 



For this interesting addition to the fauna of California, science is 

 indebted to Mr. James Behrens of San Francisco, by whom a single 

 specimen was collected and kindly placed at my disposal. I am not 

 inf irmed of the precise locality from which it was obtained. It must 

 however belong to the fauna west of the Sierras. 



BYRRHUS, Linn. 

 B. Pettiti, n. sp. — Oblong oval, similar in form to geminaius Lee. Sides of tho- 

 rax nearly straight surface clothed with silvery hairs, with the sides, median line, 

 anterior apical angles and basal spot on each side black. Elytra densely 

 clothed with brownish black hair, with short velvety lines irregularly disi>o3ed, 

 and a cresccntic band convex backwards clothed with silvery liairs. Body 

 beneath rather coarsely punctured and sparsely cinoreo-i)ube3ceut. Scutellum 

 black. Length .34 inch ; 8.5 mm. 



The form of the species is similar to (jeminatuH Lee., but rather less 

 convex. The larger portion of the thorax is clothed with silvery 

 pubescence with a slight yellowish tinge, with black spaces arranged 

 ill the following manner; a median black line aometimos divided sn as 

 to form an apical triangular and basal linear spot; at apex a small tri- 

 angular black spot joining the black margin which is not seen when 



