GEOLOGY I NORTH AMERICAN. 46-72 



46. BEXJAMIX F. MUDGE (State Geologist of Kansas), Quindaro, 

 Wyandotte Co., Kansas. 



47. ALEXANDER MURRAY (Assistant, Geological Survey of Canada), 

 Montreal, Canada. 



48. Prof. HEXRY B. NASOX, Beloit, Wis. 



49. Dr. J. S. NEWIJERRY, Cleveland, Ohio. 



50. *W. H. NILES, Cambridge, Mass. 



51. Prof. J. G. NORWOOD (Professor of Natural Science and Natural 

 Philosophy, Missouri State University), Columbia, Boone 

 County, Mo. 



52. Prof. RICHARD OWEX (Professor of Natural Sciences, Indiana 

 State University), Bloomington, Incl., from Sept. 1 to July 1 ; 

 rest of the 3 r ear, New Harmonj^, Ind. 



53. Prof. THEODORE S. PARVIX (Professor of Natural History, 

 Iowa State University), Iowa City, Iowa. 



54. Prof. JAMES M. SAFFORD (State Geologist of Tennessee), 

 Lebanon, Tenn. 



55. PETER W. SIIEAFER, Pottsvillc, Schuylkill Co., Perm. (Coal). 



56. Dr. B. F. SIIUMARD, St. Louis, Mo. 



57. Dr. R. P. STEVENS, New York, N. Y. 



58. O. II. ST. JOHN, Museum of Comp. Zoology, Cambridge, Mass. 



59. *R. II. STRETCH (State Geologist of Nevada), Virginia City. 

 Nevada. 



60. Prof. G. C. SWALLOW, Columbia, Boone Co., Mo. 



61. *Prof. SANBORN TENNEY (Professor of Natural History, Vassar 

 Female College), Potighkeepsie, N. Y. 



62. W. H. B. THOMAS, Mount Holly, N. J. 



63. C. B. TREGO, No. 612, North Thirteenth st,, Philadelphia, Penn. 



64. PHILIP T. TYSON (State Geologist of Maryland), Baltimore, Md. 



65. *Prof. A. E. VERRILL '(Professor of Zoology, Yale College), 

 New Haven, Conn. 



66. Prof. HENRY A. WARD (Professor of Geology, Rochester Uni- 

 versity), Rochester, N. Y. 



67. *Dr. CHARLES A. WHITE, Iowa City, Iowa. 



68. *Prof. J. D. WHITXEY (State Geologist of California ; Geologist 

 of California State Board of Agriculture), San Francisco, Cal. ; 

 and Boston, Mass. 



69. *Col. CHARLES WHITTLESEY, Cleveland, Ohio. 



70. *CIIARLES P. WILLIAMS, No. 138, Walnut st., Philadelphia, Penn. 



71. Prof. ALEXANDER WINCIIELL (Professor of Natural History, 

 Michigan State University), Ann Arbor, Mich. 



72. A. II. WORTHEN (State Geologist of Illinois), Springfield, 111. 



