20 Publications of Carnegie Institution of Washington 



267. Smith, Edgar F. and W. K. Van Haagen. Atomic Weights of Boron and 



Fluorine. Octavo, m+65 pages $1.00 



268. Hyde, Walter W. Olympic Victor Monuments. Octavo. 



269. Johnson, Duncan S. The Fruit of Opuntia fulgida. Octavo, 62 pages, 12 



plates $1.25 



270. Reichert, E. T. A Biochemic Basis for the Study of Problems of Taxonomy, 



Heredity, Evolution, etc., with especial reference to the Starches and the 

 Tissues of Parent and Hybrid Stocks, and to the Starches and the Hemo- 

 globins of Varieties, Species, and Genera. Quarto. (In 2 parts.) $18.00 



Part I. Summaries and Comparisons of the Properties of the Starches and of the 

 Tissues of Parent-stocks and Hybrid-stocks. Applications of the Results of 

 the Researches to the Germ-plasm, Variations, Fluctuations. Sports, Mutants, 

 Species, Taxonomy, Heredity, etc. Notes and Conclusions. Pages xi+i to 376, 

 34 plates, 820 charts. 



Part II. Special, General, and Comparative Laboratory Data of the Properties of 

 the Starches and of the Tissues of Parent-stocks and Hybrid-stocks. Pages 

 vii+377 to 834. 



271. Contributions to Embryology, Nos. 24, 25, 26. Vol. VIII. Quarto, 198 pp. $5.50 

 This book contains the following papers, not sold separately: 



STREETER, GEORGE L. The Developmental Alterations in the Vascular System of the 

 Brain of the Human Embryo. (Contribution No. 24.) 38 pp., 5 pis., 12 figs. 



COWTJRY, E. V. The Mitochondria! Constituents of Protoplasm. (Contribution No. 

 25.) 120 pages, i plate, 9 figs. 



KUNITOMO, KANAE. The Development and Reduction of the Tail and the Caudal 

 End of the Spinal Cord. (Contribution No. 26.) 38 pages, 4 plates, 2 text figs. 



272. Contributions to Embryology, Nos. 27 to 46. Vol. IX. Quarto. In press 



This book contains the following papers : 



MACKLIN, CHARLES C. The Development and Function of Macrophages in the Repair 

 of Experimental Bone-Wounds in Rats vitally stained with Trypan-Blue. (Con- 

 tribution No. 27.) 32 pages, 4 plates. 



DUESBERG, J. -Cytoplasmic Structures in the Seminal Epithelium of the Opossum. 

 (Contribution No. 28.) 35 pages, 2 plates, 5 text figs. 



CORNER, GEORGE W. On the Widespread Occurrence of the Reticular Fibrils pro- 

 duced by Capillary Endothelium. (Contribution No. 29.) 8 pages, 2 plates. 



WHEELER, THEODORA. Variability in the Spinal Column as regards Defective 

 Neural Arches (Rudimentary Spina Bifida). (Contribution No. 30.) 12 pages, 

 ii figures. 



VAN DER STRICHT, O. The Arrangement and Structure of Sustentacular Cells and 

 Hair Cells in the Developing Organ of Corti. (Contribution No. 31.) 33 

 pages, 4 plates. 



RETZER, ROBERT. The Sino-ventricular Bundle. A Functional Interpretation of 

 Morphological Findings. (Contribution No. 32.) 13 pages, i plate. 



JENKINS, GEORGE B. A Study of the Superior Olive. (Contribution No. 33.) 15 

 pages, 2 pis., i text fig. 



SCHULTZ, ADOLPH H. The Development of the External Nose in Whites and 

 Negroes. (Contribution No. 34.) 17 pages, i plate, 7 figs. 



LEWIS, MARGARET REED, Muscular Contraction in Tissue Cultures. (Contribution 

 No. 35.) 25 pages, 2 plates, 6 text figs. 



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.) 21 pages, 6 pis., 16 figs. 



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

 nancy. (Contribution No. 40.) 39 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 rjlates. 



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, n charts, 2 text figures. 



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



