﻿Cockerell 
  — 
  Fossil 
  Parasitic 
  Hymenoptera. 
  379 
  

  

  hyaline, 
  stigma 
  and 
  nervures 
  fuscous. 
  Metathorax 
  areo- 
  

   lated 
  ; 
  hind 
  femora 
  about 
  2mm. 
  long, 
  rather 
  stout. 
  

  

  Station 
  14, 
  Florissant 
  (S. 
  A. 
  Rohwer). 
  Type 
  in 
  

   Museum 
  of 
  University 
  of 
  Colorado. 
  

  

  Figs. 
  4, 
  5, 
  6. 
  

  

  Fig. 
  4. 
  Theronia 
  wiclchami. 
  

   Fig. 
  5. 
  Tryphon 
  explanatum. 
  

   Fig. 
  6. 
  Bracon 
  florissanticola. 
  

  

  Bracon 
  florissanticola 
  n. 
  sp. 
  

   Length 
  5-6mm., 
  of 
  which 
  about 
  2-7mm. 
  is 
  abdomen 
  

  

  anterior 
  

  

  about 
  4mm. 
  Head 
  and 
  thorax 
  black, 
  

  

  