EUMENES. 83 



These species are imperfectly known ; I do not possess thorn 

 in my collection, and it may be possible that our E. minulus 

 proves to be one of them. 



C. TJiorax not so wide ; longer than broad; not larger, or even 

 smaller than th£ pear of the abdomen. (Form very much 

 as in Division Alpha.) 



25. E. calliiuorpbusSAuss. — Niger, laevis, gracilis; clypeo valde 

 bidentato ; thorace tenuiter dense punctato, tuesonoto baud sulcato ; 

 abdomine gracili, petiolo subelongato, angusto; antennarum articulis 

 1-4 plus minusveferrngineis ; corpore ut in E. Mexicano flavo-omato, 

 petiolo utrinque linea flava. 



Total length, 14 mm. ; wing, 9 mm. 



E. cullimorpha Sauss. Et. Vesp., I, 71, 61, pi. xiii, fig. 4; ibid. Ill, 148. 

 ? E. campanulaia Fabr. S. P., 291, 22, ? . 



Clypeus terminated by two spiniform teeth. A more or less 

 distinct frontal carina. . Thorax quadrate before, delicately punc- 

 tured ; its angles slightly reflexed. Petiole elongate ; its pear- 

 shaped part slender, truncate, bordered, and channelled as in 

 the other species. The abdomen depressed. 



Black, covered with a very short silvery pile ; the abdomen 

 quite polished ; the pile making it appear tenously strigate. 

 Antennas beneath, a part of the mandibles, and teeth of clypeus, 

 ferruginous. A spot on the forehead, one in the sinus of each eye, 

 a line behind the eyes, yellow tawny; both borders of prothorax, 

 (the anterior one interrupted), a spot under the wing, post- 

 tcgulsc, anterior border of scutels, posterior border of the abdo- 

 minal segments, a line all along the sides of the petiole and an 

 oblique spot smelted on each side with its border, yellow or 

 rather ferruginous. The extreme margin of the segments 2-o, 

 brown. Knees, tibia?, and tarsi most ferruginous. Wings 

 smoky. 



?. Clypeus black, with two yellow spots near the top; its 

 teeth spiniform, carinated. 



%. Clypeus yellow, argontcous ; its teeth not so sharp, not 

 carinated. 



Var. The colors are more or less developed, as in other species. 

 The logs more or less ferruginous, at times entirely red ; the 

 petiole beneath and on the sides is oi' the same color; no yellow 

 line upon the seutellum. The clypeus is more or less strongly 



