ANNOUNCEMENT. 



It gives us great pleasure to announce the addition of three 

 collaborators to the editorial staff of the Journal since the 

 appearance of our last issue. These and the departments of 

 which they will have oversight are as follows. 



C. F. Hodge, Ph. D. , Professor of Physiology and Neurol- 

 ogy, Clark University; Neuro-cytology, especially functional 

 changes in nerve cells. 



G. H. P.\RKER, S.D., Instructor in Zoology, Hai'i.'ard Uni- 

 versity; The sense organs and nervous system of the inverte- 

 brates. 



A. D. Morrill, M.S., Professor of Biology, Hamilton 

 College ; The sense organs of the vertebrates. 



Contributions for publication and books and reprints for 

 review pertaining to these departments may be sent either di- 

 rectly to the collaborator in the proper department or through 

 the publication office of the Journal. 



The concluding number of Vol. VIII will contain the re- 

 mainder of Dr. Meyer's Review of the Data of Modern Neu- 

 rology, and a contribution upon the ' ' Growth of the Brain of 

 the Frog" by Dr. Donaldson, together with other articles. 



