32 University of Kansas Geological Survey. 



these regions, during 1875, for Professor Cope. In 1877 Mr. 

 Sternberg was in charge of a party for Professor Cope, com- 

 posed of Mr. (now Dr.) Russel Hill, of Philadelphia, Mr. Wil- 

 bur Brous and Mr. Knipe, of Manhattan. For several years 

 following Mr. Guild collected for Yale College and Mr. Stern- 

 berg made some collections for Harvard University. 



In 1878 Professors Mudge, Snow and Dyche (then a stu- 

 dent) spent some time in Gove county collecting for the Uni- 

 versity. It was on this expedition that Professor Snow obtained 

 the specimen of Tylosaurus showing the skin. 



For a number of years prior to 1895 Mr. H. T. Martin col- 

 lected for Yale College. In 1890 Prof. George Baur collected 

 several weeks for Professor Zittel, of Munich. In 1889 and 

 1890 Judge E. P. West obtained many valuable specimens for 

 the University of Kansas. In 1891 a party under my charge, 

 composed of Mr. (now Professor) E. C. Case, Mr. (now Profes- 

 sor) E. Slosson and Mr. Charles Sternberg spent about two 

 months on the Smoky Hill river searching for specimens for 

 the University of Kansas. Mr. Charles Sternberg, in the latter 

 part of that year and in the following, made considerable collec- 

 tions for Professor Zittel. In 1895 Messrs. H. T. Martin and 

 T. R. Overton spent the season in making collections for the 

 University of Kansas. During the past two years collections 

 have been made by Mr. Martin and Doctor Mathews for the 

 American Museum, of New York city. Some additional speci- 

 mens of value have been obtained by purchase for the Univer- 

 sity of Kansas from Mr. Sternberg, Mr. Martin, and others. 



This in brief represents the explorational work in the Nio- 

 brara Cretaceous deposits to the present time. The few months 

 of collecting done by Marsh and Cope was under ample protec- 

 tion of soldiers. While yet the danger was fully as great or 

 greater, the various other parties spent over thirty months in the 

 same regions with no protection other than what their own 

 rifles and revolvers afforded. Immigrants were massacred al- 

 most within rifle shot of the parties at different times, but for- 

 tunately no encounter was had by the explorers, though at 

 times the danger was escaped almost marvelously. 



