PLATE IX. 



All the drawing arc liy .1. Ht'iiry lilakc, uud all the specimens drawn rome from Florissant, 



Colorado. 



Page. 



FK;. 1. ( -">ii) I 1 , 1 !. Platystethus carcareus 7"i 



2. ( !'(;."> )(',"]. Plutyst.'thiis an-lu-typus 7li 



:;. i L'lsiii i 1 , 11 !. (u-odrc.iiiifiis aMitus 77 



4, ( IL'57 )( 'f ). Lit I H >c-< ir yi ir ^ravis So 



5. i :;os) i ; i. Trifja coeni.. 7S 



ti. i -47041 ( V I. A.lalia Mibversa 80 



7. ( ML') I 1 ,"). IVdiarus i>erirlitans . SL' 



s. i llL'1'7) ( ',' ). t'hil.irnrus ulkei . SI 



!i. i 1400) (-," i. ('ar|piipliiluf icstnu-tns S(> 



10. ( L'14(i) (V). Attaifciius sdpitus . S5 



11. (13565) (Y). Nitidula prior... s7 



138 



