— Gi- 

 ls a. £ntwickelungsgeschichte. 



Boy den, Edward A., The Development of the Cloace in Bh'ds, with special 



Reference to the Origin of the Bursa of Fabricius the Formation of a Urodaeal 



Sinus, and the regular Occurrence of a Cloacal Fenestra. (S. Kap. 9b.) 

 Castaldi, Luigi, II connettivo nel fegato del vertebrati: ricerche anatomo- 



comparative ed embriologiche. (S. Kap. 9b.) 

 Chiarugi, Giulio, Ulteriori osservazioni intorno a un organo nervoso che va dall'emi- 



nenza del chiasma all' ectoderma, in embrioni di cavia. 3 Taf . u. 1 1 Fig. Arch. 



ital. Anat. ed Embriol. Vol. 16, 1917/18, S. 149—174. 

 Clark, Elliot R., An Anomaly of the Thoracic Duct with a Bearing on the Em- 

 bryology of the Lymphatic System. (S. Kap. 7.) 

 Clark, Elliot R. and Eleanor Linton, On the Origin and early Development 



of the Lymphatic System of the Chick. (S. Kap. 7.) 

 Cunningham, R. S., On the Development of the Lymphatics of the Lungs in 



the Embryo Pig. (S. Kap. 9 a.) 

 Danchakoff, Vera, Myeloid metaplasia of the Embryonic Mesenchyme in 



Relation to Cell Potentialities and Differential Factors. (S. Kap. 5.) 

 Dart, Raymond A., and Shellshear, Joseph L., The Origin of the Motor 



Neuroblasts of the Anterior Cornu of the Xeural Tube. (S. Kap. IIa.) 

 De Gaetani, Luigi, Influenza della pressione atmosferica suUo sviluppo di alcune 



nova. Atti R. Accad. Peloritana Vol. 29, 1919, 8 S. 

 Dentici, Salvatore, Morfologia e morfogenesl dell'oliva bulbare in Sus scropha 



domestica. (S. Kap. IIa.) 

 Duesberg, J., Recherches cytologiques sur la fecondatiou des Ascidiens ct sur 



leur developpement. 3 Taf. u. 12 Fig. Contrib. to Embryol. Carnegie lust. 



Wash. Vol. 3, 1915, S. 33—70. 

 Essick, Charles R., Transitory Cavities in the Corpus striatum of the Human 



Embryo. 3 Taf. Contrib. to Embryol. Carnegie Inst. Wash. Vol. 2, 1915, S. 95 



bis 108. 

 Hunter, John J., A Case of early Human Ovarian Pregnancy. 7 Fig. Journ. of 



Anat. Vol. 56, S. 57—76. 

 Ingalls, N. William, A Human Embryo before the Appearance of the Myotomes. 



4 Taf. u. 5 Fig. Contrib. to Embryol. Carnegie Inst. Wash. Vol. 7, 1918, S. Ill 



bis 134. 

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



with special Reference to the Vascular System. (S. Kap. 7.) 

 Johnson, Franklin Paradise, A Human Embryo of twenty-four Pairs of Somites. 



8 Taf. u. 9 Fig. Contrib. to Embryol. Carnegie Inst. Wash. Vol. 6, 1917, S. 125 



bis 168. 

 Jordan, H. E., Hemopoiesis in the Mongoose Embryo, with special Reference to 



the Activity of the Endothelium, including that of the Yolk-Soc. (S. Kap. 5.) 

 Kunitomo, Kanae, The Development and Reduction of the Tail and of the 



Caudal End of the Spinal Cord. (S. Kap. IIa.) 

 Lebedinsky, N. G., Beiträge zur Morphologie und Entwicklungsgeschichte des 



Unterkiefers der Vögel. (S. Kap. 6 a.) 

 Lewis, Margaret Reed, Development of Connective-Tissue Fibers in Tissue 



Cultures of Chick Embryos. (S. Kap. 5.) 



