95 



Actidium attenuatum (mibi invisum). 



.!. attenuatum, Casey, Bull. Calif. Ac Bci. i. p. 326, 1885. 



L. c. 0'45 mm. — Angustissimum, Bubcylindricum, nitidulum, leyiter alutaceum, 

 aterrimum, pilia brevibu is modice vestitum ; capite modico, antice sal 



producto : oralis modicis, prominentibue ; pronoto capite param latiori, vix longiori, 

 convexo, lateribus leviter rotundatis, margine basali rotundata, angulis rotundati 

 Bcntello kriangulari ; elytrit capite atque pronoto baud latioribus, multum longi- 

 oribas, valde convexis, modice asperatis, lateribus leviter rotundatis, api 

 obtuso ; pedibus Bat robustis, piceo-castaneis ; antennis modicis, nigris. 



The above is an analysis of Mr. Casey's elaborate description in bis ' Es i 

 on Now Genera and Species of California!! Coleoptera.' 



.1. attenuatum seems to be a distinct species, allied to A. granuhmm and .1. 

 rotundicolie, from both of which it apparently differs in its more narrow and 

 elongate form, more dense pubescence, and finer sculpture. 



II is at present represented by a single individual found by Mr. Casey in 

 California. 



Gen. XX.— PTENIDIUM. 



Fifteen fresh species have been added to this genus. Of these, P. Lawsoni and 

 /'. Ulkei belong to the variolose group of which P.punctatum is the type ; twelve are 

 more or less allied to V. evanescens; and one, P. strangulatum, is of such an ex- 

 ceedingly abnormal character that, if 1 did not strongly object to subdividing on 

 insufficient grounds, I should feel inclined to form a separate genus for its reception. 



SPECIERUM RECENTIORUM EPITOMA. 



L. c. 0-80 mm. — Elongaturn, nitidissirnurn, nigrum, elytrorum humcris 

 atque apicibns runs, pronoto ad basini strangulatim contracto, 

 ped. longis atque ant. flavis strangulatum. 



L. c. 0-90 mm. — Ovale, valde convexum, castaneum, nitidum, punctis 



foveolatis notatum, ped. atque ant. flavis ..... Lawsoni. 



L. c. 075 mm. — Suboblongum, modice convexum, castaneum, nitidissi- 



imiin, totum punctis foveolatis notatum, ped. atque ant. bete flavis Ulkei. 



L. c. - 75 mm. — (Jvatum, pi> ma, valde convexum, pronoto minute 



punctata, foveis basalibus profundis, scutello foveis magnis iru- 

 presso; ped. t. late flavis ...... foveatum. 



L. c. - G8 mm. — Ovale, piceo-nigrum, glabrum, nitidissimurn, pronoti 



foveis basalibus maguis, profundi-- ; ped. atque ant. ltete flavis . ignobile. 



L. c. 0-80 mm. — Suboblongum, picetun, valde convexum, nitidissimurn. 



totum impuuetatum, ped. atque ant. la te lla\ ... impunctatum. 



L. c. 1 mm. — Elongato-ovale, aterrimum, glabrum, nitidissimurn, 



pronoti foveis basalibus uullis, ped. atque ant. la?te flavi- . nitons. 



L. c. 075 mm. — Angnstam, elongaturn, modice convexum. nigrum ; 

 pronoto puneti in disco notato, foveis basalibus minutis, 



I" d. late. ant. obscure flavis ....... Caseiianum. 



L. c. 0-75 mm. — Elongaturn, valdi angustatnm, nitidissimurn, obscure 

 castaneum, foveis basalibus pronoti permagnis ; ped. atque ant. 



is, lat.- flavia • attenuatum. 



L. c. 0-75 mm. — An mm. convexum, alutaceum, nitidum, 



■nun, pronoto fere impunotato ; ped. atque ant. late flavia Africanum. 



L. c. 0n7 mm. — Breve, obesum, validissime convexum. glabrum. niti- 

 dissimurn, pronoto glabro, punctis modicis quatuor basalibus 

 impresso ; ant. brevioribus, atque ped. obscure flavis . . obesum. 



