PLATE T. 



All tin 1 drawings are liy .T. Henry Blake, excepting fig. 5, which is by S. H. Scudder. Tin 1 

 specimens drawn cDine from Florissant, Colorado, unless otherwise specified. Numbers in parentheses 

 are those affixed to the original specimens; tractions in parentheses indicate degree <if enlargement of 

 the liL'iires shown in the plate. 



I'agc. 



Fii,. 1 (120S6) (f). Nomaretus serus \'.'< 



IP 

 17 

 I'd 

 14 

 1"> 

 16 

 24 

 IS 

 15 

 21 



