RADZIKOWSKI, St. M.Sc. — Inst, of Zool., Warsaw Univ., Krakowskie Przedmiescie 



26/28, WARSZAWA 64, Poland 

 a Studies on DNA and RNA synthesis. Chilodonella cucullulixs (Ciliata) 

 h Conjugation and polytene chromosomes in the exconjugants. Chilodonella cucullulus 



(Ciliata) 

 RADZINSKAYA, Miss L. I. Cand.biol.sci. — Lab. of Developm. Biophys.. Inst, of Devel- 



opm. Biol., Acad, of Sci. of the U.S.S.R., 26 Vavilov St., MOSCOW V-133, U.S.S.R. 

 RAEKALLIO, J. M.D., Prof. — Dept. of Forensic Med., Univ. of Turku, Kiinamyllynkatu 



10. TURKU 3. Finland 

 a Biochemical characterization of enzymes appearing in early wound healing. Rattus spec, 



Cavia spec. (Rodentia) (in collaboration with P.-L. MAKINEN) 

 b Histochemical studies on bone regeneration (fracture healing). Rattus spec, Cavia spec. 



(Rodentia) (in collaboration with P.-L. MAKINEN) 

 RAFFERTY, K. A., Jr. Ph.D., Prof. — Dept. of Anat., School of Med.. Johns Hopkins 



Univ., 709 N. Wolfe St., BALTIMORE, Md. 21205, U.S.A. 

 RAGOZINA, Mrs. M. N. Dr.biol.sci. — Inst, of Evol. Morphol. and Ecol. of Anim., Acad. 



of Sci. of the U.S.S.R.. Lenin Ave. 23. MOSCOW V-71, U.S.S.R. 

 RAISMAN, J. S. — Inst, de Biol., Univ. Nac de Tucuman, Chacabuco 460. S. M. de TUCU- 



MAN, Argentina 

 a Lytic substances in spermatozoa. Bufo arenarum (Anura) 

 RAJTOVA, Miss V. M.V.Dr. — Anat. Inst, der Vet.-Med. Fak., Komenskeho 71, KOSICE, 



Czechoslovakia 

 a Ossifikation des Skeletts, insbesondere des Primordialkraniums. Cavia porcellus (Rodentia) 

 RAMASWAMI. L. S. D.Sc, Prof. — Dept. of Zool.. Univ. of Rajasthan, JAIPUR. India 

 RAMENSKAYA, Mrs. G. P. Cand.biol.sci. — Lab. of Developm. Cytogenet., Inst, of 



Developm. Biol.. Acad, of Sci. of the U.S.S.R., 26 Vavilov St.. MOSCOW V-133. 



U.S.S.R. 

 RAMSEY, Miss E. M. M.D. — Dept. of Embryo!., Carnegie Inst, of Washington, 115 W. 



University Parkway. BALTIMORE, Md. 21210. U.S.A. 

 a Placentation; study of placental structure, development and vasculature. Macaca mulatta. 



Homo sapiens (Primates) 

 b Determinations of blood, amniotic and intervillous space pressures throughout pregnancy. 



Macaca mulatta (Primates) 

 c Anatomical and radiological studies of circulation in the maternal placenta. Macaca 



Mulatta, Homo sapiens (Primates) (in collaboration with M. W. DONNER and H. R. 



MISENHEIMER) 

 RAMUS. J. S. Ph.D. — Dept. of Biol.. Khne Biol. Tower. Yale Univ.. NEW HAVEN, 



Conn. 06520, U.S.A. 

 a Experimental determination of environmental factors which induce morphogenesis: the 



formation of a fleshy "bud" from a filamentous juvenile. Pseudogloiophloea confusa 



(Nemaliales, Flocideophycidae, Rhodophyta) 

 RANGA RAO, K. Ph.D. — Dept. of Biol., Tulane Univ.. NEW ORLEANS. La. 70118, 



U.S.A. 

 a The responses of chromatophores of zoea, megalopa and adult to purified chromato- 



phorotropins. Ilea pugilator (Decapoda, Crustacea) 

 b A study on the control of pigmentation in regenerating appendages. Ilea pugilator, Cam- 



barellus shufeldti (Decapoda. Crustacea) 

 RANZI, S. Ph.D., Prof. — Lab. di Zool.. Univ. di Milano. Via Celoria 10. 20133 MILANO. 



Italy • 



RANZOLI, F. Dr., Prof. — 1st. di Zool., Univ. di Catania, Via Androne 81, 95124 



CATANIA, Italy 

 a Gametogenesis and sexuality. Electra posidoniae (Ctenostomata, Bryozoa) 

 RAO, K. V. M.Sc. — Dept. of Zool., Univ. of Delhi, DELHI-7. India 

 RAO. S. R. V. Ph.D. — Dept. of Zool., Univ. of Delhi, DELHI-7. India 

 RAPOLA, M. H. J. M.D. — Children'^ Hospital, Univ. ol Helsinki, 11 Stenback St., 



HELSINKI 29, Finland 

 a Sex tract differentiation; organ culture. Mus musculus (Rodentia) 

 b Teratology. Homo sapiens (Primates) 

 RAPPAPORT. R.. Jr. Ph.D.. Prof. — Dept. of Biol. Sci.. Union College. SCHENECTADY, 



N.Y. 12308. U.S.A. 

 a Comparative micrurgical studies on cytokinesis: extending present methods to a variety 



of experimental material and devising new forms of physical experimentation. MarinO' 



gammarus obtusatus (Gammaridae, Crustacea), Echinarachnius parma (Echinoidea), Rana 



pipiens (Anura) 

 RASCH (MYRBERG), Mrs. E. M. Ph.D., Prof. — Dept. of Biol., Marquette Univ.. 530 



North 15th St.. MILWAUKEE, Wis. 53233, U.S.A. 

 a Atypical nucleoprotein synthesis during larval development. Sciara coprophila (Diptera) 

 b Cytochemistry and fine structural analysis of puffs in giant chromosomes. Sciara copro- 

 phila (Diptera) 



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