( 237 ) 



clnrsal streaks nf tlie prnthorax narrow, anil in ono specimen obsolete. Scntellnm 

 broader than long, rcetiHiirnlar, aiiil whitish irri'V, with a uarrow and short brown 

 median line. Elytra witli one rnberole ouly ; this is placed in the middle <dose behind 

 the basal niarifin, and is i^labrons at the tip : an irrejjidar transverse brown patch-like 

 band in the middle of eaeh elytron, reachina: the siunre or not, seems to me to be 

 constant, while another bnt very feeble baud in front of the apex is fonnd only in 

 one specimen of the collection. Each elytron with some longitudinal streaks formed 

 by small brownish spots, alternating with whitish grey ones. Femora nsnally 

 uniformly grey, in one s]iecimen with two l)lack spots. Middle of the tibiae paler 

 tlian the base. 



Hab. Kuiln (A. Moccpierys, 1892). 



Allied to C. ciri/attis Quad., from which it may be easily distinguished by the 

 absence of a second tubercle behind the base of the elytra and by the style of 

 marking ou the latter. 



:ill. Crossotus collaris <'hevr. 

 Cameroons and Ogowe. 



312. Crossotus unifasciatus (Tlioms.). 

 Kniln. 



313. Dichostates nigroguttatus sp. uov. 



(J ? . I), brevis, infra griseo-albo-, supra olivaceo-brunueo-puljescens et griseo- 

 variegatns. Prothorax inermis, margine antico utriufpie pone oculos subacute minute 

 tuberculatus, basi subrecta ; dorso sparsim punctulato. Scutellum transversum, 

 trajieziformi, longitudine duplo latins. Elytra in basis medio tuberculo griseo- 

 brunneo-pubescente armata, juxta humeros leviter impressa; singulo elytro duabus 

 guttis rotundis densiter nigro-pilosis ornato, prima postbasali, secunda minore ])ost- 

 mediana, inter guttas plaga griseo-alba sat conspicua, apice griseo-albo-irrorato ; sat 

 aequabiliter jmuctata, punctis pone humeros parum coufluentibns. Pedes nigro- 

 guttulati. 



Long. 12 mm., dytr. 8|, lat. (5A. 



Upper surface olivaceous brown, with the sides of the prothorax, a large region 

 in the middle of the elytra, and the apical part of the latter conspicuously marbled or 

 irrorated with greyish white. Prothorax convex, basal margin faintly widened in 

 front of the scutellum. Elytra almost wedge-shaped, with the shoulder angles 

 rounded ; uniformly punctured, with the punctures confluent behind the shoulders ; 

 the latter bearing some granules ou the outer steep part. 



Hub. Kuilu (A. Modiuerys, 1892). 



One of the short s])ecies having the ]n-othorax without the usual hiteral teeth. 



314. Dichostates lobatus sp. nov. 

 a . D. brevis, niger, multis maculis miniitis griseis aut flavo-griseis vestitus, 

 infra laterilms fulvo-pubescens. Prothorax convexus, lateribus subrotundatus ; basi 

 versus scutellum dilatata et transverse strigulosa ; disco lateraliter dis|)erse sparsim 

 punctulato : margine antico jiost oculos tuberculo sat magno arinato. Scutellum 

 longituiline triplo latins. Elytra brevia, minute convexa, humeris prominulis olilioue 

 tnmcatis, basi fortiter transverse rugata, sub humeros parum granulata, dein grosse 

 punctata : singulo elytro macula antemediana rotundata fulva, et gutta postmediana 

 parva pube erecta nigra tecta, notato. 



