The Mid- Winter Meetings. 6g 



upon Vital Staining, hy 8. J. ^Ieltzer. A single ligation of a nerve 

 has no influence upon the staining of the nerve on either side of the 

 ligature. When, however, two ligatures are applied, the section of 

 the nerve between the ligatures remains free of color, while both ends 

 are stained. This is the case, even if the section between the ligatures 

 comprises nearly the entire length of the nerve. 



Tiie Effect of a Subcidaneoiis Injection of Adrenalin on the Eyes of 

 Cats w/tose Sympat/ietic Neive is Cut, or whose Superior Cervical Gang- 

 lion is Renwved, by S. J. Meltzer. When the sympathetic is cut, a 

 subcutaneous injection of adrenalin causes a retraction of the nictitaut 

 membrane, and no change is seen in the size of the pupil or the width 

 of the palpebral fissure. When, however, the superior cervical gang- 

 lion is removed, an injection causes a strong dilatation of the pupil, a 

 considerable widening of the palpebral fissure, and a reti'action of the 

 nictitant membrane. 



77/6' Delineation of the Motor Cortex in tJie Dog, by H. Gushing. 



Demonstration of Expressive Motions in a Decerebrate animal, by R. 



S. WOODWORTH. 



At the meeting of the American Philosophical Association 

 at Princeton the paper, "An P^stablishment of Association in 

 Hermit Crabs," by Edward G. Spaulding, which we publish 

 herewith, was read. There was one paper on comparative psy- 

 chology read at the meeting of the American Psychological As- 

 sociation at St. Louis. 



A Preliminary Paper on the Psychology of the English Sparroiv, by 

 James P. Porter. Experiments were made with the food box, Avith 

 Small's complex maze and in other ways to determine the method of 

 approaching the food, to investigate the so-called senses of number 

 and of direction and the color preferences. 



A paper was read before the section of physics of the 

 American Association at St. Louis, which is of some interest 

 to physiologists, especially when taken in connection with the 

 physiological experiments of Nagel on the rate of diffusion of 

 odors and savors in water. 



The Rate of Propogation of Smell, by John Zeleny. Attention is 

 drawn to the extreme slowness of diffusion of odors in air tubes where 

 convection curi*ents are avoided. The time required for the diffusion 

 of odors is roughly proportioned to the square of the distance. 



