Embryology 85 



SABIN, FLORENCE R. Studies on the Origin of Blood-vessels and of Red-Blood-Cor- 

 puscles as seen in the Living Blastoderm of Chicks during the Second Day of 

 Incubation. (Contribution No. 36.) 49 pages, 6 pis., i text fig. 



BEAN, ROBERT BENNETT. Notes on the Postnatal Growth of the Heart, Kidneys, 

 Liver, and Spleen in Man. (Contribution No. 37.) 21 pages, 8 text figs. 



MILLER, WILLIAM SNOW. A Morphological Study of the Tracheal and Bronchial 

 Cartilages. (Contribution No. 38.) 39 pages, 25 figs. 



LEWIS, WARREN H. The Cartilaginous Skull of a Human Embryo 21 millimeters 

 in length. (Contribution No. 39.) 39 pages, 6 pis., 16 figs. 



MEYER, ARTHUR WILLIAM. Hydatiform Degeneration in Tubal and Uterine Preg- 

 nancy. (Contribution No. 40.) 21 pages, 6 plates. 



MEYERS, BURTON D. A Study of the Development of Certain Features of the 

 Cerebellum. (Contribution No. 41.) 23 pages, 6 figures. 



ESSICK, CHARLES R. Formation of Macrophages by the Cells lining the Subarach- 

 noid Cavity in response to the Stimulus of Particulate Matter. (Contribution 

 No. 42.) 12 pages, i pi. 



STREETER, GEORGE L. A Human Embryo (Mateer) of the Presomite Period. 

 (Contribution No. 43.) 35 pages, 6 pis., 4 text figs. 



WEED, LEWIS H. The Experimental Production of an Internal Hydrocephalus. 

 (Contribution No. 44.) 22 pages, 2 plates. 



CLARK, ELIOT R., and ELEANOR LINTON CLARK. On the Origin and Early De- 

 velopment of the Lymphatic System of the Chick. (Contribution No. 45.) 

 36 pages, 7 plates, 15 text figures. 



BARDEEN, C. R. The Height-weight Index in relation to Linear and Volumetric 

 Proportions of the Body during Postnatal Development. (Contribution No. 

 46.) 72 pages, ii charts, 2 text figures. 



Publication 272 will constitute a memorial volume to Dr. Mall. 

 No. 273. Contributions to Embryology, No. 47. Vol. X. Quarto. In press. 

 This book contains the following papers, not sold separately: 



EVANS, HERBERT MCLEAN and KATHARINE J. SCOTT. On the Differential Reaction 

 to Vital Dyes of the Two Great Groups of Connective Tissue Cells. (Contribu- 

 tion No. 47.) 



No. 274. Contributions to Embryology, Nos. 49, 50, 51, 52. Vol. XI. Quarto. 



In press. 

 This book contains the following papers, not sold separately: 



DANCHAKOFF, VERA. Myelpid Metaplasia of the Embryonic Mesenchyme in rela- 

 tion to Cell Potentialities and Differential Factors. (Contribution No. 49.) 



LINEBACK, PAUL E. Studies on the Longitudinal Muscle of the Human Colon, 

 with Special Reference to the Development of the Tseniae. (Contribution 

 No. 50.) 



WISLOCKI, GEORGE B. Experimental Studies on Fetal Absorption. I: The Vitally 

 Stained Fetus. (Contribution No. 51.) 



INGALLS, N. WILLIAM. A Human Embryo at the beginning of Segmentation, with 

 Special Reference to the Vascular System. (Contribution No. 52.) 5 plates, 

 i text figure. 



