RECORDS. 29 



tioii from Prof. Bickmore for the society to meet at the 

 Museum, the meetiiior of the society be held at the Museum on 

 Friday afternoon, at two o'clock. Seconded. 



Prof. Lee moved, as an amendment, that an extra session be 

 held at the Museum Saturday morning. Prof. Osborn did not 

 accept the amendment. The amendment was put and lost. The 

 original motion was then put and carried. 



The President inquired whether the society would postpone 

 listening to his address. Prof. Wilder moved that the address 

 be read now. Seconded ; carried unanimously. 



The President read his address, which was warmly received. 

 [The address was entitled " The Business of the Naturalist," and 

 was published in Science, vol. Ill, p. 44-46.] 



The reading of papers was then proceeded with, as follows : — 



1. Prof. T. IL Gage. Applications of photography to the pro- 



duction of natural history figures and lectuie-room charts. 

 Discussed by Prof. Harrison Allen. 



2. Prof. W. H. NiLES. Adaptation of lectures to the instruction 



of large classes. Discussed by Profs. Wilder, Heilprin, 

 and Niles and by the President. 



3. Prof. James Hall. Methods of preparing rock sections. 



thursday, dec. 27, 1883. 



School of Mines, Columbia College. 



Afterjioon Session. 



President Hyatt in the chair. Twenty-seven members 

 present. 



The following papers were read : — 



1. Dr. Harrison Allen. On some methods of pursuing terato- 



logical research. Discussed by Profs. Scott, Wilder, Cope, 

 Gage, and Mr. Kingsley. 



2. Dr. M. E. Wadsworth. On methods of instruction in min- 



eralogy and petrography. Discussed by Profs. Lew is and 

 Emerson. 



3. Prof. B. G. Wilder. The arrangement of a museum of verte- 



