File:Bulletin of the California Academy of Sciences (1886-1887) (19826394593).jpg

Title: Bulletin of the California Academy of Sciences
Identifier: bulletinofcalifo021887cali (find matches)
Year: 1886-1887 (1880s)
Authors: California Academy of Sciences
Subjects: Natural history; Science
Publisher: (S. l. : The Academy)
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Text Appearing Before Image:
CALIFORNIAN COLEOPTERA. 61 A NEW SPECIES OF CAnFORNIAN COLEOPTERA. By J. J. Rivers, University of California.
Text Appearing After Image:
BRADYCINETUS. Horn. Bradycinetus Hornii n. sp. Male: Form robust, elliptical. Color ferruginous brown, shining; bead, tips of armature, margins of protborax and a spot near tbe outer margin of pro- tborax eitber dusky or black. Head: Clypeus trans- verse and feebly angnlate at tbe sides, tbe front edge rising increasingly backward, until just before reacbing tbe clypeal suture it ends in a well formed tubercle on eitber MALE. side; bebind tbe sutural line on tbe ver- head. tex is a very prominent, stout, conical born in front of tbe base of wh'cb the surface of tbe bead is slightly coucave; three-fourths of tbe lower jDortion of the horn and tbe whole of tbe frontal area finely rugose. Antennae: funicle shining, chestnut; club paler, not shining. Thorax: subtriaugalar, deepest longitudinally through the center; noticeably wider than tbe elytra at tbt-ir juncture, and rather wider thm their greatest breadth; seen from above the front margin appears truncate in the middle, then trends obliquel)' forward to the angles which are prominent; sides straight for a short distance, pos- terior angles strongly rounded; posterior margin much extended in the mid- dle with distinct sinaations toward tbe angles. The front area deeply con- cave, surmounted by four well formed tubercles; two occapjang the center, bold and projecting over tbe concavity, two others, one on either side of tbe central two, situated near the anterior margin of tbe thorax at its exterior angles. The arja around tbe two anterior tubsrcles very ragosely punctate; and transversely across the disc are large distinct punctures nowhere ex- tending to the posterior margin. A well defined margin, refiexed at the sides, surrounds the whole. Elytra: very convex, obtusely rounded bebind, having fourteen well defined and regularly punctured striae, the interstices of which are fl;\tten3d and indistinctly wrinkled. The under side paler than the upper; dense fringes of Hght chestnut hair line the reflexed portion of tbe thorax and elytra, while the femora, tibia and tarsal joints, as well as the lower side generally, are well supplied with rather long chestnut hair. Length, .48—.52 inch. 6—Bull. Cal. Acad. Sci. II. 5. Issued April 23,1886.

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