248 E. T. CRESSON. 



laterally and slightly interrupted medially, and an irregular spot on each 

 side, largest on second segment, yellow; beneath ornamented much as above. 

 Length .75 inch. 



■^ . — Face and clypeus flat, as usual, and yellow as far up and on a line with 

 emargination of eyes, cheeks beneath broadly yellow; antennae long, yellowisli 

 beneath, apex curled and black; sides of prothorax, and pleura anteriorly 

 and beneath pale yellow; thorax without any ferruginous color; scutelluin 

 sometimes with only a lateral yellow dot at base; lateral stripes of metathorax 

 sometimes wanting ; coxiB and all the legs beneath pale yellow, femora more 

 or less black above ; abdomen darker than in 9, sides of second segment wilii 

 a large ferruginous blotch enclosing a yellow spot, lateral margin of first seg- 

 ment yellow; disk of second, third and fourth ventral segments with a large 

 triangular yellow mark, apical margins also yellow. Length .75 inch. 



Six specimens. (Belfra<;e; Boll.) 



Polistes ainerioanus. 



Vespa americana , Fabr. Ent. Syst. ii., p. 276. 

 Nine 9 specimens. (Belfrage; Boll.) 



Polistei!* iniuor. 



Foliates minor, Beauv. Ins. p. 207, pi. 8, fig. 3. 



Five 9 specimens. (Belf'rage ; Boll. > 



Polistes annularis. 



Vespa annularis, Linn. Syst. Nat. ii., p. 950. 



Ten % 9 specimens. (Belfrage; Boll; Heiligbrodt.) 



Tespa snlphnroa. 



Vespa siilphuren, Sauss. Mon. Guepes Soc. p. 1.37. 

 Five 9 specimens. (Boll ; Heiligbrodt.) 



Vespa gernianiea. 



Vespa gcrmanica, Fabr. Ent. Syst. ii., p. 256. 

 Four 5 specimens. (Boll.) 



Vespa C'uneata. 



Vesjya cuncata, Fabr. Syst. Piez. p. 258. 

 Three S ^ specimens. (Belfrage; Heiligbrodt.) 



ANDRENID^. 



Colletes valida. 



Colletes valida, Cress. Proc. Bost. Soc. Nat. Hist, xii., p. 165. 

 Three % 9 specimens. (Boll.) 



Colletes intequalis. 



Colletes incequalis, Say, Bost. Journ. Nat, Hist, i., p. .391. 

 Two 9 specimens. (Belfrage; Boll.) 



Colletes americana. 



Colletes americana, Cress. Proc. Bost. Soc. Nat. Hist, xii., p. 167. 



Three % 9 specimens. (Belfrage ; Boll.) 



