130 LIST OF CONTRIBUTORS. 



Meek, F. B. and F. V. Hayden. Continued. 



Descriptions of new species and genera of fossils collected by 



Dr. F. V. Hayden in Nebraska territory under the direction 

 of Lieut. G. K. Warren, Lieut, U. S. Topographical Engineer; 

 with some remarks on the Cretaceous and Tertiary formations 

 of the North-west and the parallelism of the latter with those of 

 other portions of the United States and Territories. P '57. 117 



On fossils from Kansas. P '58, 9 



Descriptions of new organic remains collected in Nebraska 



Territory in the year 1857, by Dr. F. V. Hayden, Geologist to 

 the Exploring Expedition under the command of Lieut. G. K. 

 Warren, Top. Eng. U. S. A., together with some remarks on 

 the geology of the Black Hills and portions of the surround- 

 ing country. P '58, 41 



— Remarks on the lower Cretaceous beds of Kansas and Ne- 

 braska, together with some new species of Carboniferous fossils 

 from the valley of the Kansas River. P '58, 256 



— Geological explorations in Kansas Territory. P '59, 8 



— Descriptions of new organic remains from the Tertiary, 



Cretaceous and Jurassic rocks of Nebraska. P '60, 175 



— Systematic catalogue, with synonyms, etc., of Jurassic, Cre- 

 taceous, and Tertiary fossils collected in Nebraska by the Ex- 

 ploring Expeditions under the command of Lieut. G. K. W^arren. 

 P '60, 417 



— Descriptions of new Lower Silurian (Primordial), Jurassic, 



Cretaceous, and Tertiary fossils, collected in Nebraska by the 

 Exploring Expedition under the command of Capt, Wm. F. 

 Raynolds ; with some remarks on the rocks from which they 

 were obtained. P '61, 415 

 — ■ Descriptions of new Cretaceous fossils from Nebraska Ter- 



ritory, collected by the Expedition sent out by the Government 

 under the command of Lieut. John Mullan, U. S. Top. Eng., for 

 the location and construction of a wagon road from the sources 

 of the Missouri to the Pacific Ocean. P '62, 21 

 Meek, F. B. and A. H. Worthen. Descriptions of new species 

 of Crinoidea and Eohinoidea from the Carboniferous rocks of 

 Illinois and other Western States. P '60, 37!) 



Descriptions of new Carboniferous fossils from Illinois and 



oilier Western States. P '60, 447 



Descriptions of new Paleeozoic fossils from Illinois and Iowa. 



P '61, 128 



