422 GEORGE W. TANNREUTHER. 



Tannreuther, G. W. 



'09 Observations on the Germ Cells of Hydra. BIOL. BULLETIN, Vol. XVI. 

 '09 Budding in Hydra. BIOL. BULLETIN, Vol. XVI. 

 Wagner, R. E. 



The Oogenesis and Early Development of Hydra. BIOL. BULLETIN, Vol. 

 XVII. 

 COLUMBIA, Mo., 



March 30. 1919. 



