22 CARNEGIE INSTITUTION OF WASHINGTON. 



List of publications issiied during the year — continued. 



No. 272 — continued. 



Miller, William S. A Morphological Study of the Tracheal and Bronchial Carti- 

 lages. (Contribution No. 38.) 14 pages, 2 plates, 11 text figures. 



Lewis, Warren H. The Cartilaginous Skull of a Human Embryo 21 millimeters 

 in length. (Contribution No. 39.) 26 pages, 5 plates. 



Meyer, Arthur W. Hydatiform Degeneration in Tubal and Uterine Pregnancy. 

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



Meyers, Burton D. A Study of the Development of Certain Features of the Cere- 

 bellum. (Contribution No. 41.) 11 pages, 6 figures. 



Es.sick, 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, 1 plate. 



Streeter, George L. A Human Embryo (Mateer) of the Presomite Period. (Con- 

 tribution No. 43.) 3G pages, 7 plates, 4 text figures, 3 charts. 



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 Development 

 of the Lymphatic System of the Chick. (Contribution No. 45.) 36 pages, 

 7 plates, 15 text figures. 



Bardeen, C. R. The Height-weight Index of Build in relation to Linear and Volu- 

 metric Proportions and Surface Area of the Body during Post-natal Develop- 

 ment. (Contribution No. 46.) 72 pages, 11 charts, 2 text figures. 

 No. 274. Contributions to Embryology, Nos. 49 to 55. Vol. XL Quarto, iir + 170 pages, 15 

 plates, 12 text figures, 6 charts. 

 This book contains the following papers: 



Danchakoff, Vera. Myeloid Metaplasia of the Embryonic Mesenchyme in relation 

 to Cell Potentialities and Differential Factors. (Contribution No. 49.) 32 pp., 

 5 plates. 



Lineback, Paul E. Studies on the Longitudinal Muscle of the Human Colon, with 

 special reference to the Development of the Tseniae. (Contribution No. 50.) 

 12 pp., 8 figures. 



Wislocki, George B. Experimental Studies on Fetal Absorption. I, The Vitally 

 Stained Fetus. II, The Behavior of the Fetal Membranes and Placenta of the 

 Cat toward Colloidal Dyes injected into the Maternal Blood-stream. (Con- 

 tribution No. 51.) 16 pp., 4 plates, 1 text figure. 



Ingalls, N. William. A Human Embryo at the Beginning of Segmentation, with 

 special reference to the Vascular System. (Contribution No. 52.) 30 pp., 5 

 plates, 1 text figure. 



Barry, Lee Willis. The Effects of Inanition in the Pregnant Albino Rat, with Special 

 Reference to the Changes in the Relative Weights of the Various Parts, Systems, 

 and Organs of the Offspring. (Contribution No. 53.) 46 pp. 



Corner, George W. A Case of True Lateral Hermaphroditism in a Pig with Func- 

 tional Ovary. (Contribution No. 54.) 6 pp., 1 plate. 



Streeter, George L. Weight, Sitting Height, Head Size, Foot Length, and Menstrual 

 Age of the Human Embryo. (Contribution No. 55.) 28 pp., 2 figures, 6 charts. 

 No. 281. Papers from the Department of Marine Biology of the Carnegie Institution of Wash- 

 ington. Vol. XIII. Octavo, IV +128 pages, 19 plates, 3 figures. 

 This book contains the following papers: 



Speidel, Carl Caskey. Gland Cells of Internal Secretion in the Spinal Cord of the 

 Skates. 31 pages, 9 plates, 3 figures. 



Drew, Oilman A. The Structure and Ejaculation of the Spermatophores of Octopus 

 aniericana. 14 pages, 3 plates. 



Clark, Hubert Lyman. The Distribution of the Littoral Echinoderms of the West 

 Indies. 25 pages., 3 plates. 



Harvey, E. Newton. Further Studies on the Chemistry of Light Production in 

 Luminous Organisms. 35 pages. 



Gudger, E. W. The Ovary of Felichthys felis, the Gaff-topsail Catfish: Its Structure 

 and Function. 17 pages, 4 plates, 1 figure. 

 No. 282. Bartsch, Paul. Experiments in the Breeding of Cerions. Paper from the Depart- 

 ment of Marine Biology of the Carnegie Institution of Washington. Vol. XIV. 

 Octavo, 56 pages, 59 plates. 

 No. 289. Douglass, A. E. Climatic Cycles and Tree-Growth: A study of the Annual Rings of 

 Trees in relation to Climate and Solar Activity. Octavo, 127 pages, 12 plates, 

 40 figures. 



