128 TRANSACTIONS OF THE [MAR. 10, 



THE GRAND CAS^ON OF THE COLORADO. 

 BY PROF. R. W. RAYMOND, PH.D. 



The lecture was fully illustrated by projections of original 

 photographs. At the conclusion of the lecture, a vote of thanks 

 was unanimously given to Prof. Raymond for his interesting 

 discourse. 



March 10, 1890. 



Stated Meeting. 



The President, Dr. Newberry, in the chair. 



About thirty persons present. 



The minutes of March 3d were read and approved. 



The following gentlemen were elected Corresponding Mem- 

 bers: 



S. KuLiBiN, St. Petersburg, Russia. 

 N. KuLiBiN, St. Petersburg, Russia. 

 Col. Laussedat, Paris, France. 

 Antonio del Castillo, Mexico City. 

 Dr. a. B. Meyer, Dresden, 

 H. D. HosKOLD, Buenos Ayres, S. A. 

 Ladislau Netto, Rio Janeiro, S. A. 

 Alfred Lacroix, Paris, France. 



President Newberry made some interesting statements in 

 regard to the cost of illustrating scientific articles, and ex- 

 hibited specimens of photo-engravings which could be produced 

 at a moderate expense. 



Mr. Jonathan D wight, Jr., read a paper entitled 



geographical variations in the horned larks of north 



AMERICA. 



(Abstract.) 



The object of the paper was to illustrate how beautifully the 

 theory of geographical variation is supported in a group of birds 

 known as the Horned Larks, which are found over the whole 

 country from the Atlantic to the Pacific, and from the Arctic 



