SRINIVASACHAR, H. R. B.Sc, M.Sc. Ph.D. — Dept. of Zool.. Central 

 College, BANGALORE 1. India 



a. Development of chondrocranium — basis for classification and evolution. 

 (Pisces) 



b. Development of osteocranium — centres of ossification, etc. (Siluroidea) 



c. Skull development. Ploceus manyar [laviceps (Passeriformes, Aves) 

 SRIVASTAVA, M. D. L. D.Sc, F.N.A.Sc, Prof. — Dept. of Zool., Allaha- 

 bad Univ., ALLAHABAD, India 



(no embryological work in progress) 

 STAGNI, Miss A. Dr. — 1st. di Zool., Via S. Giacomo 9, BOLOGNA, Italia 



a. Regeneration and sex differentiation. (Hydroidea) 



b. Regeneration, origin of germ-cells and gametogenesis. Spirorbis pagen- 

 stecheri (Serpulidae, Polychaeta) 



STAM, F. — Anat.-Embryol. Lab., Free Calvinistic Univ., Pr. Hendriklaan 27, 



AMSTERDAM Z., Holland 

 STANGAARD, B. C. A.B., M.S. — Dept. of Zool, Univ. of Connecticut, 



STORRS. Conn., U.S.A. 

 a. Morphogenesis and function in embryonic kidney. Gallus domesticus 



(Aves) 

 STARCK, D. Dr.med.. F.I.I.E., o.Prof. — Dr. Senckenberg. Anat. Inst., Med. 



Fak. der Univ., Ludwig Rehnstr. 14, FRANKFURT/Main-Sud, 



Deutschland 

 STARK, O. J. Dr.rer.nat. — Zool. Inst, der Univ., Katharinenstr. 20, FREI- 

 BURG i.Brsg., Deutschland 

 STEBBINS, G. L. Dr., Prof. — Dept. of Genet., Univ. of California, DAVIS, 



Cal., U.S.A. 

 STEDING, G. cand.med. — Anat. Inst, der Univ., Burgstr. 51, G5TTIN- 



GEN, Deutschland 

 a. Experimente zur Entwicklung des Riickenmarkes (Umdrehung dorso- 



ventral). Gallus gallus (Aves) 

 STEFAN. Miss Y. Lie. es Sci. — Lab. de Zool. et d'Embryol. exper., Inst, de 



Zool. et de Biol, gener., 12 Rue de l'Universite, STRASBOURG, France 

 a. Morphogenese du tractus genital et des gonades. Emys leprosa (Chelo- 



nia), (Ophidia) (en collaboration avec J. H. VIVIEN) 

 STEFANELLI, A. Dr., F.I. I.E., Prof.ord. — 1st. di Anat. comp. "G. B. 



Grassi", Fac. di Sci., Univ. di Roma, Via Borelli 50, ROMA, Italia 



a. Histogenetic determination and differentiation of nervous cells. (Te~ 

 leostei, Amphibia, Aves) 



b. Degeneration and regeneration of nervous cells. (Teleostei, Amphibia, 

 Aves) 



c. Social behaviour of cultivated cells. (Amphibia, Aves) 



d. Correlated and partial movements of spermatozoa. (Amphibia, Aves) 



e. Cytochemistry of development and regeneration. (Amphibia, Aves) 



f. Antimitotic action on in vitro explanted organs. Gallus domesticus 

 (Aves) 



g. Factors of nervous fibre orientation in vitro. Gallus domesticus, 

 Coturnix coturnix japonica (Aves) 



STEIN, Miss K. F. A.B., M.S., Ph.D. — Dept. of Zool., Mount Holyoke 

 Coll., SOUTH HADLEY, Mass., U.S.A. 

 a. Development of an abnormal homozygote due to the looptail gene (Lp). 

 Mus musculus ( Rodentia) 



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