Contents 
IX. Apert C. EYCLESHYMER and JAMES MEREDITH WILSON. 
The Gastrulation and Embryo Formation in Amia 
Calva RTP torte \ Wee acct ee RE 133 
With 4 double plates. 
X. CuHarwes F. W. McCuure. A Contribution to the Anatomy 
and Development of the Venous System of Didelphys 
Marsupialis (l.).—Part II. Development 163 
With 1 single and 4 double plates and 27 text figures. 
LIST OF MEMBERS OF ASSOCIATION OF AMERI- 
CAN ANATOMISTS. . . 2.2 . . MXID-XOGm 
No.3. Junv 25, 1906. 
XI. Franxiin P. Maur. A Study of the Structural Unit of 
the Liver Ue rae, tag Dae 227 
With 74 figures and 7 tables. 
XII. Apert C. EycresHymer. The Development of Chroma- 
tophores in Necturus oa . 309 
With 7 figures. 
XIII. Smnry Kirin, $8. M., M. D. On the Nature of the 
Granule Cells of Paneth in the Intestinal Glands of 
Mammals Pe ee 315 
With 5 figures. 
XIV. CuHaries L. Epwarps and Ciarence W. Hawn. Some 
Phases of the Gastrulation of the Horned Toad, Phryn- 
osoma Cornutum Harlan ; 301 
With 15 text figures. 
No. 4. . September 1, 1906. 
XV. Rosert BENNETT BEAN. Some Racial Peculiarities of 
the Negro Brain 353 
With 16 figures, 12 charts, and 7 tables. 
