1865.] • ^9 



the posterior orbits have a line as in the male; the front of mesothorax 

 is more uneven, the postseutellum has a mere dot on its middle, and 

 the tip of the enclosed basal space of the metathorax is not shining; the 

 tegulte are almost entirely yellow; the wings are uniformly tinged with 

 dull honey-yellow ; the femora have more yellow at tips, especially on 

 the posterior pair, which have nearly the apical half yellow ; the spots 

 and bands on the abdomen, although similarly shaped, are larger and 

 nearly twice as broad ; the venter has an interrupted yellow fascia on 

 the second and third segments, suddenly dilated at the sides, and a 

 small yellow spot on each side of the two following segments. Length 

 65 lines. 



3. Philanthus Sanbornii, n. sp. 



Black; face, base of antennse, collar, line beneath tegulse, postseutellum, spot 

 on tegulse, most of legs, irregular spot on each side of first and second abdomi- 

 nal segments, very large and subovate on the second, and narrow emarginate 

 fasciae on the three following segments, yellow : wings fusco-hyaline. 



Female. — Black, shining, finely and rather indistinctly punctured, 

 clothed with a short, pale pubescence, longer and more dense ou the 

 cheeks ; head broader than the thorax ; sides of the face narrowed and 

 extending a little above the insertion of the antennae, a spot between 

 the antennae, sometimes transverse, sometimes rounded, the clypeus. 

 mandibles except tips, and a small spot on the side of the cheek, yel- 

 low; the suture on each side of the large middle lobe of the clypeus is 

 more or less broadly black; anteunje rather .stout, the third joint cla- 

 vate, much attenuated towards the base ; scape yellow, with a black 

 spot behind, the flagellum black, rufo-testaceous beneath towards the 

 base, the small first joint with a yellow dot in front. Thorax with a 

 deep channel on the front of the mesothorax; a line on the collar, more 

 or less interrupted in the middle, a transverse line beneath the anterior 

 wing, a transverse line on the postseutellum, rarely wanting, and a spot 

 on the tegulse anteriorly, yellow; metathorax finely punctured, with a 

 deep longitudinal channel on dorsal middle. Wings rather strongly and 

 uniformly tinged with yellowish-fuscous, and with a slight violaceou.s 

 reflection ; nervures fuscous. Legs yellow ; coxae, trochanters, the 

 anterior femora above, and the two posterior pairs except tips, black or 

 brown, the latter sometimes pale fuscous, shading into testaceous at tips ; 

 tiirsi more or less dusky throughout. Abdomen rather broad-ovate, 

 subconvex, very closely and finely punctured-, apical incisures of the 

 first and second segments deeply impressed ; on each side of the first 

 segment a yellow spot or a transverse irregular line ; second segment 

 with a large, transverse, subovate yellow spot on each side, occupying 



