70 



confertim ordinibus transversie aspi ratis, lateribus leviter rotundatis et marginatis, 

 apicibus valde obtasis, leviter rotundatis ; abdomine paullo exserto nigro; pedibus 



robllstis, lair Havis. 



Body oblong, ratber depressed, not attenuated posteriorly, deep black, rather 

 Bhining, sparingly clothed with dusky hair. 



//""/ very lam. ami broad, nearly smooth; eyes moderate, not prominent; 

 antennae rather robust, yellow. 



Thorax short, rather broader than the bead, widest before the base, closely orna- 

 mented with moderate tubercles irregularly arranged, with the interstices 

 reticulated, sides margined and rounded, basal margin marly straight, with 

 tbe angles right angles. 



ScuteUum very large and broad, triangular, deeply asperated. 



Elytra short, not longer or broader than the head and thorax, widest near the 

 middle, rather deeply and closely asperated in transverse rows, sides slightly 

 rounded and margined, extremities slightly rounded and very obtuse. 



Abdomen not much exposed, black. 



Legs robust, bright yellow. 



/ '//'/« ; parti piceous, with the mouth and coxa; yellow. 



Differs from T. bidilatata in its much smaller size, finer sculpture, and much 

 shorter antenme ; and from others in the peculiar dilatation of the thorax 

 and elytra. 



Habitat, America. Two specimens found by Mr. Smith in the West Indian Island 

 of Grenada. 



Trichopteryx excelsa. 



T. excelsa, Matthews, Trans. Am Ent. Soc. xi. p. 133, 1884; Biol. Cent.-Amer. 



Col. ii. pt. i. p. 139, 1888. 



L. e. I 7 ,. lin. 0'87 mm.— Ovalis, sat brevis, valde convexa, nitidula, capite 

 atque pronoto nigris, elytris rufo-fuscis, pilis fulvis sparse vestita ; capite magno, 

 antice rotundato, tuberculis minutis, remotis, ornato : oeulis modicis, promi- 

 nentibus; pronoto sat brevi, capite parum longiori, multum latiori, ante basim 

 ie, postice valde depresso, tuberculis minutis, ordinibus sinuatis, remotis, 

 dispositis, iuterstitiisque reticulatis, nitidis, ornato, lateribus valde rotundatis, 

 leviter marginatis, margine basali leviter sinuata, angulis Iatis, valde productis, 

 late flavescentibus ; elytris brevibus, convexis, capite atque pronoto brevioribus, 

 hand latioribus, ad media latissimis, ordinibus transversis, remotis, modice 

 asperatis, lateribus valde rotundatis, apicibus valde rotundatis, anguste diluti- 

 oribus ; abdomine longe exserto, obtuso ; pedibus atque antennis modicis, obscure 

 flavis. 



Body oval, rather short, very convex, rather shining, head and thorax black, elytra 



rufo-fuscous, sparingly clothed with fulvous hair. 

 Head huge, rounded in front, ornamented with minute remote tubercles; eyes 



i lerate, prominent; antennae moderate, dusky yellow. 



Thorax rather short, rather longer and a Ii broader than the head, widest before 



the base, mucb depressed towards the base, ornamented with minute tubercles 



in remote wavy rows, interstices reticulated and Bhining, sides much rounded 



and Blightly margined, basal margin faintly smuated, with the angles broad, 



mucb produced, ami broadly davescent. 

 ScuteUum very large and broad, triangular, moderately asperated. 

 Elytra short, convex, shorter and not broader than tin head and thorax, widesl at 



the middle, moderately asperated in remote transverse rows, sides mucb 



rounded, extremities much rounded and narrowly paler. 

 Ibdomen much exposed, obtuse. 



