viii CONTENTS. 



NOTES. 



New Application of tlie X-ravs : 31icro-vadiography. By Piurre G^oi y. (Flutes 



XVI. XVII and Figs. 51.52) ^"^ 



Emil Chr. Hansen Fund ^^^ 



SUMMARY OF CURRENT RESEARCHES 



ZOOLOGY. 



VERTEBRATA. 



O" Embryology- 



Vejuotskt, F. — Material Busis of Inheritance .. ., .. .. 56 



ScHREiNER, Allette — Nuclew' and Cijtoplasm in Inheritance 56 



Dklporte. Fr. — Implantation of Human Chum 57 



Stricht, O. Van der — Corpu." luteum and Interstitial Gland of Ovary .. .. 57 



Castle, W. E., & John C. Philipps — Germinal Transplantation 57 



FuBS. A. — Germ-celh of Man and Mammals 58 



Ballowi'iz, E. — Spermatozoa of Aard-Vark .. 58 



Baldwin, W. M. — Fibres of the Zonula .. 58 



Berenberg-Gossler, H. VON — Primitive Sex- celh in Chick Embryo 58 



SrNiEi;. A. L. J. — Differentiation of the Myotome .. .. 59 



Stienon, L. — Closure of Duct of Botallius 59 



DuRKEN, 15. — Experimental Study of Development of Limbs in Frog.. .. .. 59 



Camus. Rene — Development of Sympathetic Nervous System in Frog 59 



I.ANGE, Dan de — Early Development of Megalobatrachus 60 



Studnicka. F. K. — Development of Eyes of Ammocostes 60 



UKRhAsr, ^1.— Antagonism of Spermatozoa of Different Animals 150 



Mlnson, J. P. — Yolk-nucleus 150 



Mei^k, AhhXA'S'DER— Early Devtlopmental Stages in Vertebrates .. . .. 151 



Betegh, L. V. — E'inhryonic Rydrocoel in Fishes 151 



Wenig, Jakomir — Devdofiment (f /'ar in Anamnia 151 



Steinberg, Helene — Organ of Jatobson in Foiial Lat 152 



Champy. CHBitiTiAN — Structure of Spermatozoa 277 



IjORISG, AucE M..— So-called lnte7stitial Cells of Chicken Testis 277 



( HAMi'Y, C. — Endocrinal Testicular Tisxue in Urodela .. .. 278 



Baumeister. Th. — Early Stages in the Development of the Hedgehoi I 278 



Helgesson, C. — f>evelopnient <f Thymv,s of the Sparroiv 278 



Fernandez, Miguel — Foly-emhryony of Talusea hybrida ".. 279 



Debet ue. A. — Umbilical Vesicle of a very young Human Embryo 279 



MoBiLio, C. — Development of Gland of Third Eyelid in Ox 279 



Wknig,Jai{OMIR — Albino Tadpoles of Toad 279 



Kaufman, Laure — Degeneration of Uterine Embryos of Salamandra maculosa .. 279 



Taylor, Mo'Sic\- Development of SymbranchuK nuirmor<Uu.< 376 



Retzhs, (i. — Spernudozoa (f Gorilla .S77 



NusBAUM, JozEV- Nucleolar Changes during Oogenesis .. .. 378 



Lange, Dan de, Jim. — Mesoderm-formalion in Megalobatrachus 378 



Heuser, Paul — Development of Milk-teeth of Aard-Vark 379 



Bali.owitz, E. — Early Stages in Development of Grass-snake 379 



AssHEToN, Richard — Fisxion of Embryonal Area in Mammals 470 



JOBDAN, II. E. — Ikterochromosomes in Mammids -1:70 



