Stajjhylinidce of tlie Amazon Valley. 315 



so at the base, which is shining, but there is no impunctate 

 space on the fi*ont ; the colour is similar to that of the 

 head, but a little bluer. Elytra elongate, 1^ lln. in length, 

 slightly broader than the thorax, dark blue, shining, rather 

 coarsely but sparingly punctured, the punctures disappear- 

 ing at the outer hind angle. Hind body elongate and 

 very narrow, shining black; the basal segments rather 

 coarsely but not closely punctured, their hind margins 

 impunctate; apical segments finely and sparingly punc- 

 tured, hind margin of 7th obscurely reddish. Legs black, 

 short; front tarsi dusky red above; under face of hind 

 body more coarsely pixnctured than the upper. 



St. Paulo ; a single individual, which is apparently a 

 female. 



14. TcEnodema producta, n. sp. Elongata, perangusta, 

 nigra, antennis piceis, basi palpisque rufis ; capite, thorace, 

 elytrisque cyanescentibus, illis dense fortiter punctatis ; 

 elytris fortiter, minus crebre punctatis, punctis ad apicem 

 fere nuUis. Long. corp. 6 lin. 



Very closely allied to T.Jilum, but Avithout any smooth 

 impunctate fi'ontal space ; it is even a little more slender, 

 the thorax a trifle smaller, and the elytra a trifle shorter, 

 but in other respects resembles almost exactly T.Jilum. 



Amazons; a single specimen, without special locality. 

 It is apparently a female. 



15. Tcenodema laticornis, n. sp. Parallela, nigra, an- 

 tcnnarum basi, palpis, abdoniinisque apice rufis; capite 

 thoraceque cyaneo-viridibus, dense fortiter a^qualiter punc- 

 tatis ; elytris cyaneis, fortiter crebre punctatis. Long. 

 Corp. 51 lin. 



Antennae J lin. in length, the two basal joints red, the 

 rest nearly black; 1st joint scarcelylonger than 3rd; joints 

 4 — 10 differing little from one another in length, but 

 each a little broader than its predecessor, — each of these 

 joints is much broader at the extremity than at the base, 

 they are broad and flat, the 10th broader than long; the 

 1 1th joint small, a good deal narrower than the 1 0th. Palpi 

 yellow, mandibles small, each with a small, simple tooth in 

 the middle, pitchy in colour. Head Avith the upper sur- 

 face convex, the eyes small (in comparison Avith other 

 species of the genus); the colour greenish-blue, the surface 

 very densely punctured, and with fine grey hairs; a very 



