IV CONTENTS -^ 



No. 4. MAY 



William H. Cole. The transplantation of skin in frog tadpoles, with 

 special reference to the adjustment of grafts over eyes, and to the local 

 specificity of integument. Two text figures and four plates (twenty- 

 two figures) 353 



L. S. Stone. Experiments on the development of the cranial ganglia and the 



lateral line sense organs in Amblystoma punctatum. Ninety figures... 421 



