684 PKOCEEDINGS OF THE ACADEMY OF [1900. 



NOVEMBER 6. 



Mr. CHARLES MORRIS in the Chair. 

 Fifteen persons present. 



NOVEMBER 13. 



The President, SAMUEL G. DIXON, M.D., in the Chair." 

 Thirty -three persons present. 



DR. HENRY SKINNER made a communication on protective 

 resemblances in insects. (No abstract. ) 



NOVEMBER 20. 

 The President, SAMUEL G. DIXON, M.D., in the Chair. 



Thirty-seven persons present. 



Papers under the following titles were presented for publication : 



" A Review of the Genera and Species of American Snakes, 

 North of Mexico," by Arthur Erwin Brown. 



" Osteology of the Psittaci," by Dr. R. W. Shufeldt. 



A paper by Miss CAROLINE A. BURGIN on the edible and poi- 

 sonous mushrooms of the neighborhood was read by Dr. A. W. 

 Miller. (No abstract. ) 



NOVEMBER 27. 



The President, SAMUEL G. DIXON, M. D. , in the Chair. 

 Sixty -nine persons present. 



A paper entitled " Notes on a Geological Section from Iguala 

 to San Miguel de Totolapa, State of Guerrero, Mexico," by 

 Charles E. Hall, was presented for publication. 



The death of Otto Staudinger, a correspondent, was announced. 



PROF. OSCAR C. S. CARTER made a communication on the petri- 

 fied forest and cave-dwellings of Arizona. (No abstract. ) 



T. Percival Gerson, M. D. , was elected a member. 



The following was ordered to be printed : 



