[ 10 ] 



SITONA, Germ. 



1. S. indifferens. Body black, rather thinly covered with cinereous hair: rostram 

 ahort, dilated, with an indented line which does not reach the tip: thorax cylin- 

 dric with small, irregular, hardly impressed punctures: elytra striate, the striae 

 with rather large punctures ; Jeet obscure piceous. 



Inhab. Missouri. 



Length three-twentieths of an inch. 

 Ill form somewhat like lineellus, Gyll. 



2. S. scissifrons, Covered with white scales ; elytra with black spots. 

 Inhab. Missouri. 



liody entirely covered by minute scales, which on the sides of the thorax & 

 elytra are white, & on their middle light brown ; ^ea(i obviously punctured & 

 with a widely impressed line extending to tlie tip: antennae dark piceous; basal 

 joint paler, clavate : thorax rather short, slightly rounded each side, obviously 

 punctured ; a much dilated brown dorsal vitta in which is a narrow white vitta, 

 alateral brown vitta from the eye : elytra with a muck dilated common brown- 

 ish vitta ; a few blackish spots : tibiae with a slight rufous tinge : tarsi spongy 

 beneath ; eyes rounded. 



Length less than one-fifth of an inch. 



This nmch resembles the S. lineellus Gyll. but the nasal .joint is shorter, the 

 eye smaller, the thorax shorter, &c. 



HADROMERUS, Schoenh. 



H. hilaris, Brown varied with cinereous: rostrum with a deeply indented 

 line : antennae and tarsi rufous : thorax and head with numerous deep punctures; 

 the former with a dilated lateral vitta : elytra with an oblique cinereous arquat- 

 ed vitta from the humerus to the middle ; tip cinereous almost constituting a 

 band : beneath with whitish scales: feet somewhat banded. 



Length one-fifth of an inch. 



Curculio hilaris ■? Herbst. Natursyst. 



The male is smaller & the extremity of the oblique vitta is almost insulated 

 go as to form a small spot in the middle of each elytron, surrounded by a dark 



line. 



CLEONTTS, Schoenh, 



C. trivillatus, Covered with cinereous hair ; thorax trilineate ; elytra, suture 

 & vitta on each blackish. 

 Inhab. Arkansaw. 



Lixus trivittatus, Nob. Jour. Acad, Nat. Sc. 



Body black, densely covered by cinereous hair: head, a black lateral line from 

 the eyes to the tip of the rostrum, & a carinate line above ; ^/loroa: deeply & 

 widely indented behind ; three longitudinal blackish vittae ; an abbreviated, 

 longitudinal, slightly elevated line before , scattered punctures : elytra with re- 

 gular series of profound punctures ; a sutural double blackish vitta spotted or in- 

 terrupted with cinereous ; &a vitta on the middle of each elytron also spotted 

 witli cinereous .• beneath with small black spots. 



Length (total) about two-fifths of an inch. 



I obtained two or three specimens near the Rocky Mountains. 



HYPSONOTUS, Germ. 



I. H. allernatus, Body piceous, nearly covered with prostrate brown hairs: 

 elytra with the striae simple impressed, the hairs upon them forming alternate 

 whitish and brownish spots ; a more obvious white spot near the tip of each 

 eXyixoa: front &L rostrum \\\V[i impressed Mm; thorax with the punctures 



