0URCULIONIDE8. 269 



TANYMECUS Germ. 



1. T. LACAENA. — Body a little cupreous, dull yellowish cine- 

 reous, densely punctured : rostrum with a raised line, tip widely 

 indented above: antenna) blackish rufous: thorax with three ob- 

 solete blackish vitta); widest a little before the middle: scutel 

 very small, cinereous : elytra with the stria) hardly impressed 

 at base but obviously impressed towards the tip, punctures rather 

 large, quadrate ; interstitial lines flattened, tip of each with a 

 short joint in the middle. 



Length to tip of rostrum three-twentieths of an inch. 

 CuraiUo lacacna Ilerbst i* Natursyst. 



2. T. CONFUSUS. — Much like the preceding but is destitute of 

 the thoracic vittae. 



Length to tip of the rostrum about three-tenths of an inch. 

 [Appears to be T. confertus Sch. — Leg.] 



APIIRASTUS Schouh. (in litt.) 

 A. TAENIATUS nob. Journ. Acad. Nat. Sc. 

 Elytra whitish, second and fourth interstitial lines light 

 brown. [10] 



SITONA Germ. 



1. S. INDIFFERENS. — Body black, rather thinly covered with 

 cinereous hair : rostrum short, dilated, with an indented line 

 which does not reach the tip : thorax cylindric with small, ir- 

 regular, hardly impressed punctures : elytra striate, the striae 

 with rather large punctures : feet obscure piceous. 



Inhabits Missouri. 



Length three-twentieths of an inch. 



In form somewhat like luuc/lus Gyll. 



2. S. scissiFRONS. — Covered with white scales; elytra with 

 black spots. 



Inhabits Missouri. 



Body entirely covered by minute scales, which on the sides of 

 the thorax and elytra are white, and on their middle light brown; 

 head obviously punctured and with a widely impressed line ex- 

 tending to the tip : antennae dark piceous ; ba.sal joint paler, 

 elavate : thorax rather short, slightly rounded each side, obviously 



