CERAMB YCID.E. l Q5 



Elytra with distinct and deep impunctured stria-. Outer hind angle of hind 

 tibia- spiniform. 



Length, 4.2 nun.; breadth, 2 mm. 



Florissant, Colorado; seven specimens, Nos. 167, 2312, 3046, 4702, 

 5024, 8147, 1125S. 



APHODIUS Illiger. 



A dominant cosmopolitan type with numerous North American species. 

 Many fossil species have been recorded: In the Pleistocene, one in Pennsyl- 

 vania, and six in Galicia, of which two are regarded as identical with living 

 forms; in the earlier Tertiaries, five species in Baden and Germany and on 

 the Rhine; besides, according to an old reference of Robert, an existing 

 species (probably an artifact) in amber. 



APHODIUS PRECURSOR. 



Aphodms precursor Horn, Trims. Am. Ent. Soc., V, 245 (1876); Scudd., Tort. Ins. 

 N. A., 4S8-489, pi. 1, tig. 11 (1890). 



Bone caves of Pennsylvania. 



TKOX Fabricius. 



A cosmopolitan group, with abundant, representation in North America. 

 The following species from British Columbia is the only known fossil form. 



TROX OUSTALETI. 



austaleti Scudd., Rep. Prog. Geol. Surv. Can.. 1877-7S, 179-180B (1879); 

 Tert. Ins. N. A., 487, pi. "2, fig. 22 (1890); Contr. Canad. Palisont., 11,35 (189:>). 



Nine-mile Creek, British Columbia. 



Forty-four species of this family have been found fossil, referred to 

 thirty genera, of which sixareextinct. Two only of the species are Pleis- 

 tocene. The only described American species belongs to an extinct genus. 



PAROLAMIA Scudder. 

 Parol<ti,,;,i Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., IV, 529-530 (1878). 



Closely allied to Lamia, but differing from it in the brevity of the 

 head and the structure of the antenna?. Body heavy, moderately elou- 



