CONTENTS 



1912-1913 



. No. 1. XO\'EMBER, 1912 



H. Hays Bullard. On the interstitial granules and fat droplets of striated 

 muscle. Seven figures 1 



Admoxt H. Clark. On the fate of the jugular Ij-mph sacs and the develop- 

 ment of the hmiph channels in the neck of the pig. Four figures 47 



R. H. Whitehe.vd. On the chemical nature of certain granules in the inter- 

 stitial cells of the testis. Six figures 63 



Pearl Briggs Bullard. A comparative study of the three principal regions 

 of the spinal cord in a series of mammals. Twenty-five figures 73 



E. LixDOx ^Ielltjs. The development of the cerebral cortex. Two figures 107 



No. 2. JANU-ARY, 1913 



Charles Eugene Johxsox. The development of the prootic head somites and 



eye muscles in Chelydra serpentina. Twenty-four figures (ten plates). . 119 

 Fraxklix Paradise Johxsox*. The development of the mucous membrane 



of the large intestine and vermiform process in the himaan embryo. 



Twent}--nine figures 1S7 



Fraxklin Paradise Johxsox. The effects of distention of theintestine upon 



shape of villi and glands. Eleven figures 235 



E. Victor Smith. Histology of the sensory ganglia of birds. Forty figures. 251 



No. 3. MARCH 



Alwix M. Pappexheimer. Further studies of the histology' of the thymus. 

 Five plates 299 



Richard E. Scammox. The development of the elasmobranch liver. I. 

 The early development of the liver. II. The development of the liver 

 ducts and gall bladder. Fiftj--four figures 333 



iii 



