30 



COMPARATIVE ZOOLOGY. 



[Jan. 



geology of Cambridge and Somerville has been printed for 

 the use of the students. It is desirous to have a question 

 catalogue adapted to the students' collection prepared on the 

 same general plan, the object being to give the student a clue 

 and a stimulus to his inquiries. As soon as the collection 

 begins to be sufficiently full, this question list should be pre- 

 pared. 



