104 • [August 



few large deep punctures, or foveae; the second segment with similar 

 puncturing; the third segment has a few punctures on its apical mar- 

 gin; a minute spot on each side of the basal segment: a broad inter- 

 rupted fascia in the middle of the second segment; the third, fourth 

 and fifth segments with a narrow fascia on their apical margins, ub- 

 ruptly widened at the lateral margins, yellow ; beneath, black. 

 " Hah. — North America." 



19. Philanthus crabroniformis, Smith. 



Philanthus crabroniformis, Smith, Brit. Mus. Cat. iv, p. 474. 



'' Male. Length 4} lines. — Black : the face below the antenna, with 

 a line continued upwards along the orbit of the eyes as high as the 

 emargination, a large campanulate-shaped spot above the clypeus, a spot 

 behind the eyes, two on the vertex, the mandibles, scape, and three 

 basal joints of the flagellum in front, yellow ; the head large, shining, 

 finely but not closely punctured. Thorax : the hinder margin of the 

 collar raised, yellow, and subinterrupted in the middle ; the tegulae. 

 tubercles, two spots beneath the wings, two on the scutellum, the post- 

 scutellum, a spot at the lateral posterior angles of the metathorax, the 

 apex of the femora, the tibiae and the tarsi, yellow ; the wings fulvo- 

 hyaline, the nervures pale ferruginous, with a faint cloud beyond the 

 marginal cell ; the mesothorax smooth and shining, and having a few 

 scattered punctures ; in the middle is a deep longitudinal channel, and 

 a finer one on each side ; the posterior margin closely punctured in 

 front of the scutellum. Abdomen shining, with deep scattered punc- 

 tures ; the first segment with a broad slightly interrupted band in the 

 middle ; the second segment has a broad band at its base, its hinder 

 margins waved ; the two following segments yellow, except their ex- 

 treme base ; the three apical segments entirely yellow. 



"i/t<6.— California." 



EUCERCERIS. nov. gen. 

 Head large, wider than the thorax, subquadrate, wider and more 

 transverse in the 9 , with the face much broader anteriorly ; eyes late- 

 ral, more or less ovate, entire; ocelli in a triangle on the vertex; an- 

 tenna} subclavate, inserted above the clypeus, in the middle of the face, 

 approximated ; mandibles stout, acute or subacute at their apex ; cly- 

 peus 3-toothed at tip, and trilobate in % , scarcely so in 9 • Thorax 

 ovate, the collar transverse, the metathorax obtusely rounded or sub- 

 truncate, ir/z/y.x ; the anterior wing with oneniarginal and three sub- 

 marginal cells ; the 9 has the marginal cell oblonu- and obtust'lv munded 



