218 Mr. D. Sharp's Contributions to the 



Avlilch the lobe is hirgcly devchiped, and another in which 

 it is in the intermediate condition, I find no difference in 

 the a^deagns. 



Tapajos; several specimens. 



11. Cri/ptohium jmnctipenne, n. sp. Sat angustum, 

 piccnm, snbopacum, antennis pcdibusque tcstaceis ; capitc 

 opaco, obsolete pnnctato ; thoracc opaco, subcylindrico, 

 dorso ntrincpie linea j)nnctorum irreguhiri, lateribuscpie 

 sat crebre punctatis ; elytris sat nitidis, crebrc fbrtitercpie 

 punctatis. Long. corp. 3^ lin. 



Mas: segracntoT" ventrali apice profunde trianguhiriter 

 exciso. 



Allied to C.frocticornp, but larger, and not shining. 

 Antenna) long and slender, cpiite as long as head and 

 thorax, yellow, a little infuscate in the middle; 1st joint 

 long and slender, about as long as the five following to- 

 gether, ord a little longer than 2nd, 4 — 10 each a little 

 shorter than the preceding. Mandibles and pali)i yellowish. 

 Head long, much produced in front, so that the eyes are 

 placed at the middle of the sides, of an opaque-pitchy 

 colour, scarcely visibly inmctured, the front part im[)unc- 

 tate. Thorax about as broad as the head, and two-thirds 

 as broad as the elytra, subcylindric, similar in colour to the 

 head ; a 1)road S]\ace down the middle imi)unctate, on each 

 side of this a rather irregular line oi' i)uiictures, and besides 

 this with the sides rather sparingly and not deejjly punc- 

 tured. Elytra rather longer tlian the thorax, closely 

 and rather coarsely punctured, rather shining. Hind body 

 dull, very finely punctured. Legs yellow. 



In the male the 7th ventral segment has a deep, narrow 

 notch in the middle of the hind part. 

 Tapajos ; one specimen. 



12. Cn/ptohium scrohiculatnm, n. sp. Castancum, sub- 

 opacum, "elytris a]>ice dilutioribus, antennis pcdibusque 

 testaceis, illis medio infuscatis; capite obsolete i)unctato ; 

 thorace crebrc subtiliter punctato, medio linea lata im- 

 pun(;tata; elytris ])n)thorace longioribus, dense subtiliter- 

 nue subrug()S()-])uut'tatis. Long. corj). .'5 lin. 



Mas: al)d(jmiue seginento 7" ventrali aj)lc(' inofundc 

 triaiigularlter exciso, seg. G" apiceiu versus uudin late 

 mimis distincte im])resso. 



Of a dull reddish or chestnut colour, with the elytra 



