MICHIGAN ACADEMY OF SCIENCE. 29 



1892 he was elected Professor of Geology in the University of Michigan, in 

 which position we learned to know and honor him. In 1886 he was married 

 to Miss J. Augusta Olmstead, who, with three daughters and a son, survive 

 him. 



As compiled by Librarian Koch, of the University of Michigan, his list of 

 published writings contains 124 numbers, and there were five unpublished, 

 but completed, or nearly finished, manuscripts upon his desk at the time 

 of his death, two at least of which will be published. Seven of his published 

 productions are books, and of his remaining publications 30 may be classed 

 as extensive reports of investigations, or major scientific papers, and 50 

 as brief discussions and minor contributions to our knowledge of the sub- 

 jects in which he was interested. The rest of the list is made up of miscel- 

 laneous papers, a considerable proportion of which may be termed educational 

 and philosophic. 



Among the books already mentioned, there are several valuable works 

 which were in part, at least, the outgrowth of his work as a teacher. These 

 are what he modestly termed "Reading Books," but in reality they are 

 monographic manuals adapted to the needs of the general reader, or student, 

 in which not only all the data collected by others have been brought to- 

 gether in a single volume, but the results of the wide personal investiga- 

 tions and observations of the writer are given, and the light of his analysis 

 of facts and theories is added. This makes these works useful to the ex- 

 pert, as well as valuable and available to the beginner, and they are not 

 infrequently quoted as standard authority. 



In these works his style is simple, direct and pleasing, a statement 

 equally applicable to all of his publications; there is very little technical 

 language used, and such as there is, is not difficult to grasp. These writings 

 also abound in illustrative matter and descriptions of actual localities which 

 are considered typical, enliven and enrich the text with word pictures which 

 take the reader to the place described, and point out the salient features 

 to be observed, and explain their meaning. 



This habit of making his writings clear and interesting was a fixed one, 

 and pervaded his more technical works as well as the group under discus- 

 sion. One instance in point, is to be found in the monographic study of 

 the Mono Lake region of California. This region has recently been made 

 accessible by rail, and a demand came from the people living in the county 

 in which the lake lies to the Director of the U. 8. Geological Survey for a 

 new edition of the report, to be paid for by the residents, who were to use 

 it in attracting the attention of tourists and others to the wonders of the 

 lake and the surrounding country. The recjuest of the committee in charge 

 of the matter explicitly stated that the attractive style in which the report 

 was written made it very desirable for their purpose. It was to revise his 

 work of twenty years ago in that region that the summer of 1906 was to be 

 devoted. In passing it may be said that this pleasing and attractive style 

 in no way detracted from the scientific value of his work, and was cultivated 

 with the express hope that it might make it of more use to a larger number 

 of people — a hope which in this case was undoubtedly realized. 



Of a slightlv different class from the "Reading Books," is the book entitled 

 "North America in 1900," published in the series "The world in 1900." 

 This is a popular resume of the Physical Geography of the North American 

 Continent and its condition at the beginning of the 20th century, and is an 

 excellent reference work on the subject. 



