CONTENTS 



1911-1912 



No. 1. JULY, 1911 



Augustus G. Pohlman. The development of the cloaca in human embryos. 

 Seven figures 1 



H. LissER. Studies on the development of the human larynx. Thirty-nine 

 figures 27 



S. Walter Ranson. Non-medullated nerve fibers in the spinal nerves. 



Seven figures 67 



R. H. Whitehead and J. A. Waddell. The early development of the mam- 

 malian sternum. Eight figures 89 



No. 2. SEPTEMBER, 1911 



Lawson G. Lowrey Prenatal growth of the pig. Five figures 107 



W. H. Long LEY. The maturation of the egg and ovulation in the domestic 



cat. Thirteen figures 139 



Hubert Dana Goodale. The early development of Spelerpes bilineatus 



(Green). One plate and seventy-seven text figures 173 



No. 3. NOVEMBER, 1911 



(/ H. E. Jordan. The histogenesis of the pineal body of the sheep. Eleven 



figures 249 



iii 



