1.15. 121 1.17. 



M. On the appearence of elastic tissue in the vessels of 

 human foetus. M. MUSTAKALLIO 



M. Development of aorta, art. pulmonalis and ductus Bo- 

 talli. Mammalia. Miss E. ODfi 



M. Ontogenesis of commissural connexions of the vena pu- 

 denda externa and v. p. interna in an advanced human 

 embryo. D. VERMAAK 



M. Development of vascular pattern of teeth, mouth and 

 face. Homo. B. N. KROPP 



M. Vascular patterns in the developing nervous system. 1. 9. 



Homo sapiens. J. H. PERRY 



M. Study of the capillary bed in various organs, making 

 use of special technique to visualize the capillaries. 

 Illustrated by sterioscopic photography. Various small 

 mammals. T. W. WILLIAMS 



M. Correlated fetal and maternal blood studies at time of 

 birth. (The data have been collected on cell types and 

 distribution and on placental structure. Statistical ana- 

 lysis is yet to be done). Homo. J. G. SINCLAIR 



16. Coelomic cavity, endothelia, lymphatic system and connective 

 tissue. 



Coelomic cavities and endothelia. 



M. Development of the pleural sacs and diaphragm. Homo 



sapiens. L. J. WELLS 



Connective tissue. 

 I. Observations on the connective tissue of the head. II. 16. 



Petromyzon (Cyclostomes). A. G. JOHNELS V. 3. 



M. Development of the mediastinal connective tissue. 



Mammalia. W. A. BAX 



17. Urogenital system (development and structure), sex deter' 

 mination. 



Development of the urinary system. 



LV. Development of the kidneys in Anamnia. Amphibia 



anura and Teleostei. K. W. SZARSKI 



M. Development of urinary bladder of Homo. a. openings 



of ureters and Wolffian ducts; b. musculature. 



L. J. W. GYLLENSTEN 



Development of the gonadal system. 

 L(?). Embryol. development of the innervation of the gonads. 1.9. 



Birds (?). E. van CAMPENHOUT 



HV. Development of genital tract in domestic animals. Birds 



and Mammals. G. KREDIET 



M. The bursa ovarica of Elephantulus myurus jamesoni. 



J. AUSTOKER 

 M. Elephantulus myurus jamesoni going into anoestrus. 



C. J. van der HORST 

 M. Post-partum phenomena in Elephantulus myurus 



jamesoni. C. J. van der HORST 



