Contents v 



V XIX. Susanna Phelps Gage. A Three Weeks' Human 

 Embryo, with Especial Eeferenee to the Brain and the 

 ISTephric System 409 



With 5 plates. 



XX. William Snow Miller. The Blood and Lymph Ves- 

 sels of the Lung of Necturus Maculatus 445 



With 3 text figures and 2 plates. 



y XXI. Frank A. Stromsten. A Contribution to the Anatomy 

 and Development of the Venous System of Chelo- 



nia 453-485 



With 13 text figures. 



XXIL PEOCEEDINGS OP THE ASSOCIATION OP 

 AMERICAX ANATOMISTS. EIGHTEENTH 

 SESSION, Dec. 21, 28, 29, 1904 ... . I-XXVIII 



XXIII. SUPPLEMENT TO VOL. IV, JUNE 1, 1905. G. Carl 



HuBER. On the Developtnent and Shape of Urini- 

 ferous Tubules of Certain of the Higher Mammals . 1-98 

 With 24 fiffures. 



