Proceedings. xi 



Prof. C. V. Riley gave some FURTHER NOTES ON YUCCA 

 POLLINATION.* Prof. Riley 's communication was discussed 

 by Messrs. Howard and Riley. 



Prof. Barton W. Evermann spoke of THE ICHTHYOLOGIC 

 FEATURES OF THE BLACK HILLS, f 



Mr. Wm. H. Dall discussed NEW FORMS OF FOSSILS FROM 

 THE OLD MIOCENE OF THE GULF STATES. 



Dr. C. Hart Merriam treated of BIOLOGY IN OUR COLLEGES.:): 

 The paper was discussed by Messrs. Ward, Burgess, and 

 Riley. 



Two HUNDRED AND FOURTEENTH MEETING, 

 October 21, 1893. 



The President in the chair, and thirty persons present. 



Mr. Charles Torrey Simpson was elected an active mem- 

 ber. 



Prof. Lester F. Ward presented a communication entitled 

 WEISMANN'S CONCESSIONS. Prof. Ward's communication 

 was discussed by Messrs. Riley, Dall, Schaeffer, Gill, Coville, 

 and Ward. 



Dr. C. Hart Merriam and Vernon Bailey presented some 

 NOTES ON A BIOLOGICAL RECONNOISANCE OF WYOMING. 



Two HUNDRED AND FIFTEENTH MEETING, 

 November 4, 1893. 



The President in the chair, and twenty-three members 

 present. 



Mr. W. T. Swingle considered SOME PROBLEMS OF PLANT 

 GEOGRAPHY IN FLORIDA. 



^Further Notes on Yucca Insects and Yucca Pollination. <Insect 

 Life, Vol. v, pp. 300-310, (pi. ii and fig. 38, a-g}. Also <Proc. Biol. Soc. 

 Wash., Vol. viii, pp. 41-54, pi. ix. 



tProc. Indiana Acad. Sc. for 1892, pp. 73-78 (Abstract). 



{Biology in our Colleges: A Plea for a Broader and more liberal 

 Biology. <Science, N. Y., xxi, pp. 352-355, June 30, 1893. 



