CRYPTONYCnUS. 77 



continuous with the spinal groove. Thorax scarcely broader than 

 long ; sides straight, parallel, ninning obliquely inwards near 

 the anterior angles, the latter acute ; surface smooth, excavated 

 on either side the disc and in the centre of the base, impressed 

 with a few scattered punctures, excavated portions coarsely punc- 

 tured ; fulvous, a broad vitta, abbre\'iated at the base, black. 

 Scutellum shining black. Elytra scarcely broader than the thorax ; 

 sides parallel, indistinctly dilated behind their middle ; apex ob- 

 tusely rounded ; above subconvex on the sides, flattened along the 

 suture, each elytron in front -with three — behind its middle with 

 four — elevated costae, sutui*e also costate ; surface covered with 

 deep distinct punctures, arranged in double striae between the 

 costae ; fulvous, the ajiical third black. Beneath shining black, 

 abdomen towai'ds the sides and apex obsciu'e piceous ; head be- 

 hind, thorax, mesostemum, four anterior thighs beneath, and the 

 tibiae of the anterior pair (their extreme base excepted), fulvous ; 

 intermediate tibiae sometimes obscure fulvous. 



Hah. Old Calabar ; West Coast of Africa. 



British Museum, and collections of the Rev. H. Clark, Major Parry, 

 A. Murray, Esq., E. Sheppard, Esq., and J. S. Baly. 



3. Cr3rptonychus dubius, n, sp. 



C. elongatus, parallelus, dorso subdepressus, fulvus ; capite antice, 



antennis, elytrorum apice tarsisque nigris. 

 Var. A. Elytrorum \-itta submarginaK brevi nigra, pedibus totis fulvis. 

 Long. 4-^5, var. 5i lin. 



C. narrow, elongate, depressed, pale fulvous ; head in front, antennte, 

 apex of elytra, and the tarsi black. Head produced in front into 

 a stout spine, grooved on its upper surface, dilated just before its 

 apex, the latter angled ; forehead with a deeply impressed longi- 

 tudinal line, continuous with the spinal groove ; spine, eyes and 

 antennae pitchy black, rest of the sui-face fulvous. Thorax qua- 

 drate ; sides straight and parallel, i-unning obliquely inwards near 

 the anterior angles, the latter subacute ; siuface excavated on 

 either side, coarsely punctured, centre of disc in front and anterior 

 margin nearly impunctate. Scutellum smooth, shining. Elytra 

 scarcely broader than the thorax, sides parallel, apex rounded ; 

 above convex on the sides, subdepressed along the suture, each 

 elytron -with three elevated costae, the intermediate one obsolete in 

 the middle part of its course, suture also elevated ; surface deeply 

 punctate-striate, striae arranged generally in pairs between the 

 costae ; fulvous, their extreme apex black. Beneath pale shining 

 fulvous ; tarsi pitchy black above. 



Var. A. Elytra with a short black submarginal vitta in front ; legs 

 entirely fulvoiLS. 



Hah. Old Calabar. Var. A. West Coast of Africa. 



Type in the collections of A. Murray, Esq., and J. S. Baly ; the 

 variety in Major Parry's cabinet. 



