CONTENTS OF No. 2, FEBRUARY, 1897. 

PAGES 
I. The Egg of Amia and its Cleavage. . . . 309-354 
C. O. WHITMAN AND A. C. EYCLESHYMER. 
II. On the Modes of Development of the Mesoderm 
and Mesenchym, with Reference to the Sup- 
posed Homologies of the Body Cavities. . 355-366 
Tuos. H. MONTGOMERY, JR. 
III. Some Spinning Activities of Protoplasm in 
Starfish and Echinus Eggs . . . . . 367-389 
GWENDOLEN FOULKE ANDREWS. 
IV. The Origin of the Egg Centrosomes. . . . 391-394 
A. D. MEap. 
V. Development of the Human Coelom . . . . 395-453 
FRANKLIN P. MALL. 
VI. A Contribution to the Study of Variation . . 455-484 
HERMON C. BUMPUS. 
Che Atheneum Press, 
GINN & COMPANY, BOSTON, U.S.A. 

