218 Mr. D. Sha^s Contributions to t/ic 



^vllicll tlie lobe is largely clevelo])C(l, and another in which 

 it is in the intermediate condition, I lind no dillerence iu 

 the ffideagus. 



Tapajos; several specimens. 



11. Cryptohium punctipame, n. sp. Sat angnstnm, 

 piceum, snbopacum, antennis pcdibns(pic tcstaceis ; ca])ite 

 opaco, obsolete punctato; thorace opaco, subc}lindrico, 

 dorso utrinque linea jnmctormn irregidari, latcribiisquc 

 sat crcbre punctatis ; cly tris sat nitidis, crebre fortitcrcpie 

 punctatis. Long. corp. 3^ lin. 



JNIas: segmento 7° ventrali apice profunde triangulariter 

 exciso. 



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

 AntennjB long and slender, qnite as long as head and 

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

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

 gether, 3rd a little longer than 2nd, 4 — 10 each a little 

 shorter than the ])receding. INIandibles and palpi yellowish. 

 Head long, much ])roduced in front, so that the eyes arc 

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

 colour, scarcely visibly punctured, the front part impunc- 

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

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

 head ; a broad sjiace down the middle impunctate, on each 

 side of this a rather irregular line of punctures, and besides 

 this with the sides rather sparingly and not deeply punc- 

 tured. Elytra rather longer tlian the thorax, closely 

 and rather coarsely punctured, rather shining. Hind body 

 dull, very finely piuictured. Legs yellow. 



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

 notch in the middle of the hind part. 



Tapajos ; one specimen. 



12. Cri/ptobium scrohiculatum, n. sp. Castancum, sub- 

 opacum, elytris apice dilutioribus, antennis pedibusque 

 testaceis, illis medio infuscatis ; capite obsolete punctato ; 

 thorace crebre subtiliter punctato, medio linea lata im- 

 punctata; elytris prothorace longioribus, dense subtiliter- 

 que subrugoso-punctatis. Long. coii). 3 lin. 



Mas : abdomine segmento 7" ventrali apice profunde 

 triangulariter exciso, seg. G" apicem versus medio late 

 minus distincte impresso. 



Of a dull reddish or chestnut colour, with the elytra 



