446 



NORTH AMERICAN INDEX FOSSILS. 



rhynchus angusticollis Heer) and abundantly so in the Oligo- 

 cenic of Florissant, Colorado, where in the neighborhood of 

 one hundred species or more (Curcidionidce and others) are 



Fig. 1747. Cretnastorhynchus stabilis, Fig. 1748. Acalyptus obtusus, X '2. 

 X 8. (After Scudder. ) ( A fter Scudder. ) 



Fig. 1749. Cry ptor rhynchus prof ususy 

 X 12. (After Scudder.) 



Fig. 1750. Anthonomus reventus, X 

 12. (After Scudder. ) 



recorded. Examples: Cremastorhynchus stabilis Scudder (Fig. 

 1747) ; Acdlyptus obtusus Scudder (Fig. 1748) ; Cryptorrhynchus 

 profusus Scudder (Fig. 1749) ; and Anthonomus reventus Scud- 

 der (Fig. 1750). Other species occur in the White River beds of 

 Colorado and Utah (Oligocenic) (Entimnus primordialis Scudder, 

 etc.) and in the Green River beds of Wyoming (Eocenic) (Bra- 

 chytarsus pristinus Scudder, Cratoparis, two species; Dryocoetes 

 carbonarius Scudder; Trypodendron impressum Scudder; Epi- 

 ccerus, three species; Eugnamptus, two species, etc.). 



The division of the Heteromera is less abundantly represented 

 in America, a number of species of Meloidce, Rhipiphoridce and 

 MordellidcB occurring in the Oligocenic of Florissant, of CistelidcB 

 in the Miocenic of Greenland (Cistelites minor Heer and C. punc- 

 tulatus Heer) ; of Tenebrionidce in the Oligocenic of Florissant, 



