1898.] NATURAL SCIENCES OF PHILADELPHIA. 89 



February J. 

 The President, Samuel G. Dixon, M. D., in the Chair. 

 Twenty-two persons present. 



February 8. 

 The President, Samuel G. Dixon, M. D., in the Chair. 

 Twenty-nine persons present. 



February 15. 



J. Cheston Morris, M. D., in the Chair. 



Twenty-six persons present. 



A paper entitled "Errant Frnstules of Eunotia major," by T. 

 Chalkley Palmer, was presented for publication'. 



February 22. 

 The President, Samuel G. Dixon, M. D., in the Chair. 

 Eighty persons present. 

 Papers under the following titles were presented for publication : — 



"A New Weasel from New Mexico," by C. M. Barker and 

 T. D. A. Cockerel 1. 



" On the Genus Halia of Risso," by W. H. Dall. 



" Description of a new Tethys (Aplysia)," by E. J. Letson. 



Under the auspices of the Anthropological Section the subject of 

 Idiocy was discussed as follows: — 



Anatomically, by William G. Spiller, M. D. 

 Physiologically, by Charles K. Mills, M. D. 

 Psychologically, by Prof. Lightner Witmer. 

 Educationally, by Martin W. Barr, M. D. (No abstract). 

 James Lane Pennypacker was elected a member. 

 The following were ordered to be printed : — 



