1914.] NATURAL SCIENCES OF PHILADELPHIA. 639 



Miocene of Wangen, Baden; described from Heer's type specimen 

 in the University Museum at Zurich. Heer named a PoUstes primi- 

 tiva from CEningcn (Wangen), but as no description appeared, it 

 cannot be recognized. 



It may be useful to add that Heer's Vespa atavina from Moudon 

 is not the same species as his much earlier Vespa attavina from 

 Parschlug; Handlirsch treats them as identical, spelling the name 

 atavina. 



Odynerus percontusus n- sp. 



Leng-th about 8 mm.; black, including legs; wings hyaline, the 

 nervures pallid, darker basally; length of anterior wing about 5 mm., 

 reaching at least to end of third abdominal segment; head and thorax 

 strongly but irregularly punctured; abdomen very broad at base, 

 second segment large, about 1.65 mm. long and 2.40 broad; apex of 

 stigma broad and obtuse, only moderately oblique; end of marginal 

 cell squarely (not obliquely) truncate; second s.m. not narrowed to 

 a point above. 



The following measurements are in microns : basal nervure on first 

 discoidal, 1,472; first submarginal (s.m.) on first discoidal, 928; 

 first s.m. on marginal, 528; second s.m. on marginal, 128; third s.m. 

 on marginal, 368; width of truncate end of marginal, about 128; 

 second s.m. on first cUscoidal, 192; distance between ends of recurrent 

 nervures on second s.m., 272; end of second r.n. to lower end of 

 second t.c, 80; lower side of third s.m., 448, 



The general structure is essentially as in the living 0. tuberculo- 

 cephahis Sauss. (Boulder, Colo., W. P. Cockerell; det. Rohwer); 

 but the abdomen is more as in 0. capra Sauss. (Colorado Springs, 

 Colo., T. and W. Cockerell, at flowers of Rihes aureum; det. Rohwer). 

 The measurements readily distinguish this from the other species 

 fossil at Florissant. 



Miocene shales of Florissant, Wilson Ranch (Wickham). 



Odynerus wilmattae n. sp. (Eumenidae). 



Black, apparently with light bands on abdomen; length of head 

 and thorax 3 mm., of abdomen about 4.5 mm. in bent position, but 

 would be about 6.5 straightened out, of anterior wings 4.5 mm.; 

 first abdominal segment rather small, in lateral profile only about 

 1 mm. deep, whereas the abdomen in middle is fully 2 mm.; wings 

 dusky reddish, venation ordinary, marginal cell very narrowly 

 obliquely truncate at end; third t.c. arched inward; second s.m. 

 greatly narrowed above, receiving first r.n. a little before middle 



