156 Cincinnati Society of Natural History. 



the head of Wind River valle}^ Gryphma calceola^ var. nehrascensis, 

 Modiola formosa, now Volsella formosa, Neritella nebrascensis, 

 Melania veterna, now Lioplacodes veterna. 



In 1864, F. B. Meek* described, from the Jurassic, of California, 

 Rhynchonella gnatliophora^ Lima sinuata, L. recticostata., L. cune- 

 ata, Pecten acutiplicatus, Inoceramus ohliquus, I. rectangulus, Triy- 

 onia pandicosta, Mytilus multistriatus, Astarte ventricosa, Uni- 

 cardiinn gibbosum, Myacitus dexjressxis. And W. M. Gabbf described 

 Lima ei'ringtoni, now Aucella erringtoni., and Belemnites jyaci- 

 Jicus. 



And from the Triassic roclis,+ in the Buena Vista District, and the 

 Humboldt Mining Region of Nevada Territor^^ Orthoceras blakei, 

 Nautilus w'hitntyi,N.mxMicameratus., Ceratites ivhitneyi, Ammonites 

 blakei, A. homfrayi, A. billingsanus, 3Iyacites humboldtensis, Cor- 

 bula blakei, Mytilus homfrayi., Acicala homfrayi, Halobia dubia, 

 Mhynchopterus obesus, Posidonomya stella, P. daytonensis, Myo- 

 phoria alta, Terebratula humboldtensis, hhynchonella lingulata, B. 

 mquiplicata, Spirifera homfrayi., from Sonora Mexico, Panopaa re- 

 mondi, from Gifford's Rancli, Plumas county, California, Avicula mu- 

 cronata, Monotis subcircularis, Pecten deformis. 



In 1865, F. B. Meek§ described, from the Jurassic, near the south- 

 west base of the Black Hills, Vivii^arus gilli; from the auriferous 

 slates on the Mariposa estate of California,! Aucella erringtoni, var. 

 linguiformis, and Amussium aurarium. J. D. Whitney referred the 

 auriferous rocks of El Dorado, Mariposa, and Toulomme counties, 

 California, to Jurassic or Triassic age. And Bailey and Matthew^ 

 showed that the Trias of New Brunswick consists of three small 

 patches, on the coast of the Bay of Fundy, one at Quaco Head, an- 

 other at Gardner's Creek, and the other at Salisbury Cove. 



In 186G, Prof. E. D. Cope** described, from the Triassic, at Phoeuix- 

 ville, Pa., Mastodonsaurus durus, now Eupelor durus, and Pter- 

 odactylus longispinus. 



In 1867, Prof. Swallowf f found, in eastern Kansas, what he sup- 

 posed to be the Triassic, consisting of a series of buff, red and 



•■■' Pal. ofCiil.. vol. i. 

 t Proc. Cal. Acad. Sci, 

 I Pal. of Cal., vol. i. 



I Pal. Up., Mo. 



II Geo. Sur. Cal., vol. i. 



If Rep. on S. N. Brunswick. 

 '•■'■' Proc. Acad. Nat. Sci. 

 tt Proc. Am- Ass. Ad. Sci, 



