Sm 101 Stephan 



SMRECZYNSKI, S. Determination of early developmental stages in 

 Insects Agelastica alni (Coleoptera) . IIIc. lc. D. 



SNELLEN, H. A. Investigations on congenital heart-malformations. 

 Homo. Hid. 4. M. 



(in collaboration with J. DANKMEYER and W. H. v. d. WEL) 



SNYDER, F. F. Respiratory physiology of fetus and newborn. Rabbit 

 and human. Hlb. 2a. a. M. 



SOBELS, F. H. Developmental physiology and genetics of a lethal 

 mutant character in Drosophila melanogaster (lethal-translucida). 



IIIc. 3. D. 



SODERWALL, A. L. Histochemical studies of germ cells in relation 

 to physiological alterations in the life cycle of the organism. Verte- 

 brates. Illb. 17.C.V. 

 (in collaboration with P. L. RISLEY) 



SOLEWSKI, W. The development of the gill vessels in the frour. 



I. 15.1. 



SPEIDEL, C. C. (data not yet received). 



SPIEGELMAN, S. (data not yet received). 



SPIKES, J. D. (data not yet received). 



SPIRITO, A. (data not yet received). 



SPRATT Jr, N. T. Investigating the nutrient requirements essential 

 to morphogenesis and growth of organisms in the early stages of 

 chick development (pre-streak and streak blastoderms). 



Illb. 2a. g. L. 



STARCK, D. Placentation of Macroscelides (Insectivora). II. 3. M. 



Chondrocranium and Osteocranium of Scotophilus temmincki (Mi- 



crochiroptera) . H. 11. M. 



STEFANELLI, A. Determination and differentiation of nervous cells. 

 Reptiles, Pisces and Amphibians. Ilia. 9. V. 



Regenerations of nervous tissue. Reptiles and Amphibians. IV. 5. V. 



Embryo metabolism, respiration. Pisces and Amphibians. 



Illb. 2a. a. LV. 



Nucleic acid synthesis in development. Fishes. Illb. 2c. c. I. 



STEINER, H. Development of the tetrapod-limb with special reference 



to Mammals, (embryological evidence of their aboreal origin). 

 Amphibia, Reptilia, Aves and Mammalia. II. 2b. V. 



New embryological evidence of the "biogenetic law" in connection 



with the phenomenon of iteration and convergence, rudimentation 

 and adaptation. Vertebrates. II. la. V. 



Embryological analysis of feather-growth. The problems of the 



"afterschaft" and of "diastataxy". Ratites and Carinatae. Ilia. 8. L. 



Colour and pigment-differentiation in the bird's feather. Melopsit- 



tacus undulatus. I- 8. L. 



STELT, v. d. Investigation of the development of the artery-arches in 

 turtle embryos. *• 15. K. 



STEPHAN, F. Le developpement du systeme vasculaire (coeur et 

 systeme vasculaire embryonnaire et extra-embryonnaire). Gallus 

 domesticus. Ilia. 15. L. 



Les anomalies du systeme vasculaire (coeur et systeme vasculaire 



embryonnaire et extra-embryonnaire). Gallus domesticus. Hid. 4. L. 



