LIST OF SPECIES DESCRIBED. 



467 



CRETACEOUS-Continued. 



Systematic name. 



Lamellibranchiata— Coutiuued. 

 Inoceramus altus Meek 



perplexus, n. sp . . . 

 sublaevis H. & M . . 



sagcnsis Owen 



simpsoni Meek 



vanuxcmi M. & H. 

 vanuxemi, var 



barabini Morton 



tenuilineatus M. & H 



Endocostea typica, n. sp 



sulcata Eoerner — 



Idonearca shumardi M. & H 



Nucula plauimarginata M. & H 



Nuculana bisulcata M. »fe H 



subequilatera, n. sp 



Yoldiaevansi M. &H 



Lucina occidentalis Morton , 



ventricosa H. & M 



(Diplodonta) subundata, H. & M.. 



Crassatella subquadrata, n. sp 



Astarte evanei H. & M 



Veniella humilis M. & H 



Sphaeriola transversa, n. sp , 



Dosinia missouriana Morton ? 



Thetis circularis M. & H 



Leiopistlia (Cymella) meeki, u. sp 



Thracia subgracilis, n. sp 



Neaera morcauensis M. «& H 



GASTEROPODA. 



Fasciolaria (Cryptorhy tis) fusiformis H. & M. 



contorta M 



(Piestocbeilus)ciilbertsoniM.&H 



Fusus shumardi H. «fe M 



cheyennensis, n. sp 



Aporrhais newberryi Meek 



meeki, n. sp 



(Goniocheilus) castorensis, n. sp.. 

 Anchura ? subljevis M. & H 



Division. 



No. 



2 

 4 

 4 



4 

 4 

 4 



4 



4 



4 and 5 



4 and 5 



5 



4 



4 and 5 



4 



4 or 5 



4 and 5 



4 



4 



4 ? 



4 



5 



5 



4 



4 



5 



4 



4 



Locality. 



or 

 or 



4 



4 or 5 



4 



Page. 



391 



Belle Fourche River, ten miles west 



of Crow Creek. 



do 



Forks of the Cheyenne River 



Sage Creek and Old Woman Fork 



Old Woman Fork 



Old Woman Fork, &c 



Belle Fourche River, ten miles west of 



Crow Creek. 

 Cheyenne River, near Box Elder Creek . 



(October 2) 



Old Woman Fork 



Loose on Beaver Creek 



Cheyenne River, near Old Woman Fork 



Cheyenne River j 406 



Cheyenne River, near Box Elder Creek. 4f)7 

 Cheyenne River, near French Creek. 



Old Woman Fork, &c 



Cheyenne River, near Rapid Creek . . 



do 



do 



Cheyenne River 



Cheyenne River, near Rapid Creek. . 

 Cheyenne River, near Old Woman Fork 



do 



Cheyenne River 



Cheyenne River, near Rapid Creek . . 

 Dead Man's Rapids, Upper Missouri . 

 Cheyenne River, near Rapid Creek. . 

 Forks of the Cheyenne River 



Cheyenne River, near Rapid Creek . 



Old Woman Fork 



Near French Creek 



East fork of Beaver Creek 



Cheyenne River, near Rapid Creek . 



Rio de la Plata 



Cheyenne River, near Rapid Creek. 



East fork of Beaver Creek 



Near Box Elder Creek 



392 

 393 

 393 

 395 

 396 

 398 



398 

 400 

 403 

 404 

 405 



408 

 409 

 409 

 410 

 411 

 412 

 413 

 414 

 415 

 416 

 417 

 418 

 419 

 420 



421 

 422 

 423 

 424 

 424 

 426 

 426 

 427 

 428 



