696 



NORTH AMERICAN INDEX FOSSILS. 



*3Si. A. maccoyi, b 



352. A. vanvleeti, b, c 



353. A. oklahomensis, b, c 

 *445. Allorisma costatum, L, b 

 *446. A. granosum, b 



*447. A. terminale, b 



*476. Pleurophorus subcostatus, L, b 



*477. P. occidentalis, b, c 



478. P. albequus, b, c 



Gastropoda. 



*59. Bellerophon crassus, c 



*6i. Euphemus carbonarius, L, b 



*7o. Bucanopsis montfortianus, L, b 



*i83. Euomphalus catilloides, L, b 



*3i8. Sphgerodoma intercalare, L, b 



*3i9. S. mediale, L, b 



Cephalopoda. 



*2>^. Orthoceras rushense, b, c 



*37. O. cribrosum, Xi, b, c 



*ii6. Temnocheilus winslovi, c 



*i22. Metacoceras sangamonense, b, ( 



*i25. Tainoceras occidentale, b, c 



228. Waagenoceras cumminsi, c 



229. W. hilli, c 



236. Medlicottia copii, c 



Trilobita. 

 *i3i. Griffithides scitulus, L, b 



Ostracoda. 

 *2o. Paraparchites humerosus, c 

 *9i. Jonesina bolliaformis var. tumida, 



L, b 

 *98. Kirkbya centronota, L, b 



*iio. Bairdia beedii and var. abrupta, 

 L, b 



Insecta. 



Lepium elongatum, b 



Pursa ovata, b 



Sindon speciosa, b 



Phyloblatta dichotoma, a 



P. arcuata, a 



Bradyblatta sagittaria, a 



Spiloblattina gardineri, d 



Tupus permianus, b 



Opter brongniarti, b 



Protereisma permianum, b 



Prodromus rectus, b 



Scopus gracilis, b 



Crinoidea. 

 *5i. Ceriocrinus hemisphericus, L, b 



Echinoidea. 

 *7. Archseocidaris aculeata, b 



Triassic Faunas. 

 The following provinces are recognized, 

 (a) Eastern or Newark (continental). 

 {b) Rocky Mountain (continental). 

 {c) Western (marine; — California, Nevada, 

 Oregon with Canadian extension). 



Idaho, and 



Brachiopoda. 

 285. Rhynchonella aequiplicata, c 

 300. Terebratula humboldtensis, c 



Pelecypoda. 

 242. Pseudomonotis subcircularis, c 

 244. Halobia lommeli, c 



Cephalopoda. 

 141. Proclydonautilus triadicus, TJ, c 



226. Popanoceras haugi, M, c 



237. Nannites dieneri, L, c 



238. Paranannites aspenensis, L, c 



239. Aspenites acutus, L, c 



240. Sageceras gabbi, M, c 



241. Pseudosageceras intermontanum, 



li, c 



242. Paralecanites arnoldi, L, c 



243. Meekoceras gracilistriatum, L, c 



244. M. jacksoni, L, c 



