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II. REPORT OF THE STURGIS-HOOPER PROFESSOR 

 OF GEOLOGY. 



By Josiah D. Whitney. 



During the past year a course of sixty lectures on Economical 

 Geology was delivered to about twenty-five students, mostly 

 Graduates and Seniors. As the instruction in this subject is 

 now arranged, the subject of Economical Geology occupies two 

 years, the first half of the course being, as a general rule, taken 

 by Seniors or Juniors, and the second half by Graduate students. 

 In the former, the subject of the mode of occurrence of the met- 

 alliferous ores is very brieily treated ; in the latter, the metals, 

 mining, and metallurgy form the chief topics to which the atten- 

 tion of the student is directed. Both courses together are in- 

 tended to furnish a desirable amount of information in resrard 



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to the economical and practical side of Geology, either to the 

 general student or to those intending to become teachers of the 

 science, and are also preparatory for special studies in this de 

 partment, to be taken later by those who find themselves able 

 and inclined to go further in this direction. 



The arrangement and cataloguing of the Sturgis-Hooper Li- 

 brary has been continued by Miss Clark. The remarks in regard 

 to this matter which were made last year are still applicable. 



The climatic investigations spoken of .last year as being under 

 way are still in hand, and the material which has been collected 

 is now being arranged for publication. 



III. REPORT ON COURSES IX GENERAL GEOLOGY. 

 By N. S. Shaler. 



The course in Elementary Geology (Geol. 4) has been mate- 

 rially strengthened by adding to the usual lectures, about sixty 

 in number, special meetings which are designed to afford further 

 opportunities for acquiring a clear idea of the more difficult parts 

 of the subject matter. These meetings have been held in small 



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