OF NATURAL HISTORY. 697 



having an angulated white line : oviduct not extending beyond 

 the tip of the abdomen. 



Length one-fifth of an inch. 



2. A. EJUNCIDUS. — Ferruginous, reticulate with large punc- 

 tures ; pectus black. 



Inhabits United States. [242] 



Body ferruginous, with crowded, discoidal punctures, giving 

 the surface a reticulate appearance : head without obvious punc- 

 tures ; orbits tinged with yellow : antennae blackish ; first joint 

 yellowish beneath : thorax with a slightly impressed line before, 

 and another each side behind, obsolete; dilated sutures about 

 the scutel black : wings hyaline ; nervures blackish ; stigma 

 rather slender; second cubital cellule none, the enterior recur- 

 rent nervure obtusely arcuated ; second recurrent nervure rec- 

 tilinear ; abdomen slender, dull honey-yellow, piceous black above 

 and at tip, without large punctures : oviduct as long as the basal 

 joint of the abdomen: feet dark honey-yellow: pleura above the 

 anterior feet with oblique lines : pectus black. 

 Length about two-fifths of an inch. 



3. A. MELLIPES. — Black ; feet honey -yellow ; posterior thighs 

 armed with a spine. 



Inhabits Indiana. 



Anomalon mellipes nob. Contrib. Macl, Lye. p. 74. 

 $ Body black, polished : head with the distance behind the 

 eyes considerable : labrum dull piceous : palpi dull whitish : tho- 

 rax with the impressed lines rather deep, rendering the thoracic 

 lobes very distinct : wings with a slight dusky tint ; metathorax 

 with an obvious spine on each side of the posterior declivity : 

 feet honey-yellow : coxae and thighs robust, particularly those of 

 the posterior pair, of which the thighs are armed beneath near 

 the tip with a prominent spine : oviduct as long as the body, or 

 a little longer, somewhat compressed towards the tip. 



Length nearly seven twentieths of an inch. 



% Anterior and intermediate thighs rather less robust. 



Length less than seven-twentieths of an inch. [243] 



Has some resemblance to a Xorides, but the mandibles are 

 bidentate, and the metathorax and anterior part of the thorax 

 difi"er. It is a very distinct species. I have thought it may be 

 1835.] 



