a Causal mechanisms involved in lens regeneration from the dorsal iris and their relation to 



the processes of lens induction in the embryo. Triturus viridescens (Urodela) 

 b DNA synthesis, cell division and cell migration during neural retina regeneration using 



thymidine-H 3 . Triturus viridescens, Ambystoma maculatum (Urodela) 

 c Stimulating factors common to lens and limb regeneration. Same species as a 

 REYNAUD, G. R. Dr.spec. — Lab. de Morphogenet. Anim., Centre Saint-Charles, Univ. 



de Provence, Place Victor Hugo, 13 MARSEILLE 3e, France 

 a Etude des relations entre soma et germen. (Aves) 

 REYNOLDS, S. R. M. Ph.D., D.Sc, Prof.(Emer. Univ. of Illinois) — Dept. of Obstet. and 



Gynecol., Univ. of Pennsylvania, PHILADELPHIA, Pa. 19104, U.S.A. 

 REYNOLDS (KING), Mrs. W. A. Ph.D., Prof. — Dept. of Anat, Coll. of Med., Univ. of 



Illinois, 1853 W.Polk St., P.O.Box 6998 CHICAGO, 111. 60680, U.S.A. 

 a Metamorphosis: uptake and localization of thyroxine in tissues and cells, collagen 



deposition. Rana pipiens (Anura) 

 b Fetal contributions to amniotic fluid. Macaca mulatta, M. speciosa, M. irus, Homo 



sapiens (Primates) 

 c Fetal metabolism and composition in diabetic pregnancy. Same species as b 

 d Effect of cyclamate, saccharin and monosodium glutamate on fetus and neonate. Same 



species as b 

 REYREL, Miss F. M. J. Dr.3e Cycle — Lab. de Biol. Gener., Univ. Paul-Sabatier, 118 Route 



de Narbonne, 31 TOULOUSE 04, France 

 a Regeneration de la machoire et des dents; etude descriptive et experimentale du blasteme 

 de regeneration (determinisme, differenciation) par greffes et cultures d'organes. Pleucodeles 

 waltlii (Urodela) 

 REYSS-BRION (DUCREAU), Mrs. M. Dr.es Sci. — Inst. d'Embryol. et Teratol. Exper. 



du C.N.R.S., 49bis Av. de la Belle Gabrielle, 94 NOGENT-sur-MARNE, France 

 a Influence des rayons X sur le developpement embryonnaire. Pleuvodeles waltlii (Urodela), 



Gallus spec. (Aves) 

 b Influence des rayons X sur le pouvoir inducteur de la gastrula. Pleurodeles waltlii (Urodela) 

 c Effet des rayons X sur le developpement de la peau embryonnaire. Gallus domesticus 



(Aves) 

 REZENDE, Miss E. S. B.Sc. — Dept. of Gen. Biol., Inst, of Biol. Sci., Fed. Univ. of Minas 



Gerais, Rua Carangola 288 - 4°andar, C.P. 253, BELO HORIZONTE, M.G., Brazil 

 a Nuclear size and DNA content (cytophotometry) of different organs in embryo and 



larva. Ascidia nigra (Ascidiacea) 

 b Nuclear size in somatic and germinal tissues. Parascaris equotum (Nematoda) 

 RIBBERT, D. — Zool. Inst, der Westf. Wilhelms-Univ., Badestr. 9, 44 MUNSTER/Westf., 



W.Germany 

 RICE, A. L. Ph.D. — Dept. of Zool., British Museum (Nat.Hist), Cromwell Rd., LONDON 



S.W.7, England 

 a Development of laboratory reared animals. (Decapoda, Crustacea) 



b Larval development. Macropipus spec, Carcinus spec. (Portunidae, Decapoda, Crustacea) 

 c Larval development and metamorphosis. Nephrops norvegicus (Decapoda, Crustacea) 

 RICHARDS, Mrs. C. M. Ph.D. — Dept. of Zool., Univ. of Michigan, ANN ARBOR, Mich. 



48104, U.S.A. 

 a The production of inbred strains using gynogenetic techniques of two types: 1. combination 

 of egg nucleus plus second polar body; 2. inhibition of the first cleavage of a haploid egg 

 to produce completely homozygous diploids. Rana pipiens (Anura) 

 b Genetics of various mutants including albino, blue, melanoid, as well as mutants uncovered 



by gynogenesis. Same species as a 

 c Control of the sex of metamorphosed animals by the administration of estrogen or 



testosterone at appropriate larval stages. Same species as a 

 RICHARDSON. W. N. Ph.D. — Dept. of Biol., Univ. of Miami, CORAL GABLES, Fla. 



33124, U.S. A. 

 a Developmental systems. (Algae) 



RICHTER, R. H. H. Ph.D. — Eigerstr. 70, 3000 BERN, Switzerland 

 a Teratogenesis; effect of certain compounds and conditions. Rattus spec. (Rodentia) 

 b Effect of some 50 steroidal compounds on the development of male and female rats. 



Rattus spec. (Rodentia) 

 RIECK, A. F. Ph.D., Prof. — Dept. of Physiol., Sch. of Med., Marquette Univ., 561 N. 15th 



St., MILWAUKEE, Wis. 53233, U.S.A. 

 RIFKIND, R. A. Dr. — Dept. of Human Genet, and Developm,, Coll. of Phys. and Surg., 

 Columbia Univ., 630 West 168th St., NEW YORK, N.Y. 10032, U.S.A. • 



RIKMENSPOEL. R. Ph.D., Prof. — Dept. of Biol. Sci., State Univ. of New York, 1400 



Washington Ave., ALBANY, N.Y. 12203, U.S.A. 

 a Control mechanisms of sperm motility. Bos taurus (Attiodactyla) 

 RIMNICEANU, Mrs. C. Dr.med., Prof. — Lab. de Embriol. Norm. §i Patol., Acad, de 



Stiin^e Med., Centr. de Cere. Med., Bui. M. Viteazul 24, TIMI§OARA, Rumania 

 a Histochemistry of the placenta. Homo sapiens (Primates) 



150 



