724 DESCRIPTIVE GEOLOGY. 



Prof. F. B. Meek and Alpheus Hyatt examined the collection of Triassic 

 fossils from this range, and identified the species. 

 From Cottonwood Canon were obtained : 



Halohia duhia. 



Halohia {JDaonella) Lommeli. 



Orthoceras Blakei. 



Eudiscoceras Gdbhi. 



Tracliyceras Whitneiji. 



Tracliyceras Judicaricum. 



Trachyceras Judicaricum var. suhasperum. 



Gymnotoceras Blakei. 



Arcestes perplanus. 



Arcestes Nevadensis. 



Arcestes Gabbi. 



From Buena Vista Canon were obtained : 



Modiomorpha f ovata. 

 ModiomorpJia f lata. 

 Posodonomya stella. 

 Sphmra Whitneyi. 

 Arcestes perplanus. 

 Goniatites (Clydonites) Icevidorsatus. 

 Gymnotoceras rotelliforme. 

 Fragments of Vertehrata. 



In Coyote- Canon, but little search was made for organic remains; 

 there were found, however, among poorly-preserved forms : 



Ammonites Blakei. 

 Bhynchonella, sp.1 



In Bloody Canon, a small ravine lying between Coyote and Star 

 Canons, were collected from the upper beds of limestone : 



Ammonites, sp.? 

 Eibs of Vertehrata. 



