Douglass : Gf:ology of Southwestern Montana. 423 



Produttus sp. 

 Spiiifer cf. i^rimcsi. 

 Spirifer cf. keokiik. 



Seminii/a siilxjiiadrata (and friiii/c/ea ?) . 

 CleiotJtyris roissyi. 

 Die /as in a sp. 

 Piuna ludlo7vi, 

 A //or is ma e/ongatum. 

 Ediiio/idia cf. warsawensis. 

 Straparo/ius cf. simi/is. 

 P/eufotomaria cf. nauvooensis. 

 Nad cops is sj). 

 P/iil/ipsia sp. 



4. Sheep Mountain, Snow Crest Range, near Old Baldy Mountain, 



and about ten miles south of Virginia City, Montana. 

 P/atycrimts bozemanensis. 

 P/atycrimis dotig/assi ? 

 Actinocriniis sp. 



5. Lowest fossiliferous horizon, ]\It. Surprise, Snow Crest Range. 

 Pi-oductus sp. 



C/eiotliyris roissyi. 

 Seviinii/a suhquadrata. 

 Mya/ina cf. /■^eo/'Ht/i. 



6. Main divide of Rocky Mountains, south of Red Rock Lake. 

 Zap/irentis sp, 



OrtlwtJietes inflatits ? 



C/ionetes ornatus ? 

 Spirifer centronatus ? 

 Spiriferina so/idirostris ? 

 P/atyceras sp. 

 EuomopJia/us sp. 

 Loxonema sp. 



7. Head of branch of Sage Creek, about eighteen miles south of 



Dillon, Montana. 

 Zap/ire nt is sp. 

 Lit/iostrotion ? sp. 

 Crinoid stems. 



RJiipidome//a /niriingtonensis. 

 Prod II ctiis se tiger lis . 



