21G Mr. D. Shl^P's Contributions to the 



A rather narrow species, Avitli lono;, slender antennsc ; 

 these are rather longer than head and thorax, pitchy red, 

 rather ])al('r at the extremity; 1st joint scarcely so lonj^ as 

 the three followiiig- together, 3rd not tAvice as long as 2nd, 

 joints 4 — 8 differing little from one another, 9 — 11 each 

 shorter than its predecessor. Mandibles and palj)i pitchy- 

 red. Head broader than the thorax, nearly as broad as 

 the elytra, long behind the eyes, the part in front of the 

 eyes not long ; it is densely and rather coarsely rugose- 

 punctate, only the extreme front being free from punc- 

 tures, and is clothed with a fine depressed ]Kibescence. 

 Thorax narrower than the elytra, longer than broad, 

 nearly straight at the sides behind, and only a little nar- 

 roAved in front ; it is closely, and rather coarsely punctured, 

 with a line along the middle, smooth. Elytra rather 

 longer than the thorax, densely and rather coarsely punc- 

 tured, rather shining, the extreme a})ex very narrowly 

 yellow. Hind body rather long, finely punctured, and 

 pubescent. Legs yellow, the coxai and knees slightly 

 darker. 



The male is only distinguished by the broad but yery 

 shalloAV emargination of the extremity of the ycntral 

 plate of the 7th segment. 



Tapajos ; six individuals. 



9. Cryptohium scutigerum, n. sp. Antennis, pedibus, 

 elytronmique apice testaceis, capite opaco, dense obsolete 

 punctato, subtiliterqucpubescente; thorace satnitido, dense 

 fortiterque punctato, linea media angusta Irevi ; elytris tho- 

 race longioribus, dense minus fortiter punctatis. Long. 

 Corp. 3J lin. 



Mas: abdoraine segmento 3" ventrali apicem Acrsus fovea 

 parva transversa impressa, quarto in lobo lato, apice rotun- 

 dato, dense longeque setigero, producto, basin versus fovea 

 parva impresso. 



AntennjB nearly as long as head and thorax, yellow ; 

 3rd joint one and a half times as long as 2nd, 8th joint 

 about as long as 4th, 9 — 1 1 each a little shorter than its 

 predecessor. Head longer than broad, about as broad as 

 the thorax, quite dull and opaque, rather closely but indis- 

 tinctly punctured, finely pubescent. Thorax two-thirds 

 the width of the elytra, nearly one and a half times as long 

 as broad, nearly straight at the sides, only very slightly 

 narrowed in front ; it is coarsely and closely punctured. 



