a Comparative morphology of the early embryo and associated changes in the female reproductive 



tract, tlirough the time of ovum implantation (light, transmission and scanning electron micro- 

 scopy). Glossophaga soricina, NoctiUo labiaUs, Carollia perspicillata, Desmodus rotundus, 



Peropteryx kappleri (Chiroptera) 

 b Maintenance and breeding in the laboratory. (Chiroptera) 

 RAUTENBACH, G. F.; Dr. - Exp. Embryol. Res. Unit of the M.R.C., Dcpt. of Anat., Univ. of the 



Orange Free State, P. O. Box 339, BLOEMFONTEIN 9300, S. Africa 

 a Urogenital development in the absence of the cloaca. Callus domesticus (Aves) 

 RAWLES (SPURBECK), Mrs. M. E.; Ph.D. - 4000 N. Charles St., BALTIMORE. MD 21218, U.S.A. 

 RAY A. K.; Dr. - Zool. Dept., Hooghly Mohsin Coll.. CHUCHURA 712101, W. Bengal, India 

 REAMS, W. M., Jr.; Ph.D., Prof. - Dept. of Biol., Univ. of Richmond, RICHMOND, VA 23173, 



U.S.A. 

 a Effects of tissue environment on pigment cell morphogenesis. Callus domesticus (Aves), Mus 



musculus (Rodentia) 

 b Factors affecting pigment behaviour in the skin. Same species as a 

 c The Lancerhans cell: oridn and differentiation. Mus musculus (Rodentia) 

 REDMAN R'! S.; Ph.D., Assoc. Prof. - Oral Pathol. Res. Lab., Vet. Adm. Hosp., Rm A 940, Bldg. 1, 



1055 Clermont St., DENVER, CO 80220, U.S.A. 

 a Parotid gland: ductal development (light and electron microscopy); cell types involved in 



proliferation (electron microscopy, radioautography); effects of dietary and hormonal changes on 



developmental pace (biochemical assay of exocrine enzymes and protein, light microscopy). 



Rattus rattus (Rodentia) 

 b Minor salivary glands: initiation, ductal development, and acinar or alveolar dittcrentiation; (light 



and electron microscopy, histochemistry). Same species as a 

 c Sublingual gland: prenatal development of ducts, acini and myoepithehum; perinatal maturation 



of these elements (liglit and electron microscopy, histochemistry of specimens from both in vitro 



and in vivo situations. Same species as a 

 REEDER, R. H.; Ph.D. - Dept. of Embryol., Carnegie Inst, of Wash., 115 W. University Parkway, 



BALTIMORE, MD 21210, U.S.A. 

 REESE, D. H.; Ph.D. - Lab. of Vision Res., Natl. Eye Inst., N.I.H., BETHESDA, MD 20014, U.S.A. 

 REEVES, O. R.; Ph.D. - Dept. of Zool., Univ. of Brit. Columbia, VANCOUVER, B.C. V6T 1W5, 



Canada 

 a Biochemical control mechanisms involved in the regulation of differential gene expression during 



early embryonic stages (specifically regulation of RNA synthesis). Xenopus laevis (Anura) 

 b The role of direct intercellular communication in development; possible importance in the 



regulation of gene activity (cell and embryo culture). Same species as a 

 c Structure and function of ribosomal cistrons. Same species as a 

 d Characterization of nuclear acidic proteins in early stages through neurulation (two-dimensional 



gel electrophoresis). Same species as a (with A. H. JONES) 

 RENFREE, Ms. M. B.; Ph.D. - Environm. and Life Sciences, Murdoch Univ., MURDOCH, W.A. 6153, 



Australia 

 a Developmental morphology. Macropus eugenii (Marsupiaha) 

 b Developmental biochemistry of the embryo and fetal fluids. (Marsupialia) 

 c Control of delayed implantation including embryo metaboHsm and steroidogenesis in the 



blastocyst and placenta. Macropus eugenii, M. irma (Marsupialia) 

 RENNERT, O. M.; M.D., Prof. - Depts. of Pediat., Biochem., and Neurosci., Coll. of Med., Univ. of 



Florida, GAINESVILLE, FL 32610, U.S.A. 

 a Modification of isoaccepting species of transfer RNA isolated from embryos and adult hver and 



spleen (amino acyl-tRNA reaction, reverse phase chromatography). Mus musculus, Rattus 



norvegicus (Rodentia) . ,, 



b Isoleucyl-tRNA formation as a controlling factor in the "turning-off of fetal hemoglobin 



production. (Rodentia) 

 c Identification of species of isopentenyl-tRNA's during embryonic development. Same species as a 

 d Polvamincs and their relationship to cellular proUferation. (Mammalia) 

 REPORTER, M.C.; Ph.D. - Charles F. Kettering Res. Labs., 150 E. South College St., YELLOW 



SPRINGS, OH 45387, U.S.A. 

 RESZELBACH, Miss R.; Ph.D. - Lab. of Molec. Genet., Natl. Inst, of Child Health and Hum. 



Developm., Natl. Inst, of Health, BETHESDA, Md 20014, U.S.A. 

 a Tubulin mRNA biosynthesis and regulation during embryonic development. Gallus domesticus 



(Aves) 

 REYER, R. W.; Ph.D., Prof. - Dept. of Anat., Med. Center, West Virginia Univ., MORGANTOWN, 



WV 26506, U.S.A. 

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



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

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



H3. Notophthalmus viridescens, Ambystoma maculatum (Urodela) 

 c Ultrastructural changes during lens regeneration from the dorsal iris with special emphasis on the 



relation of the basal lamina to the lens capsule. Same species as a 

 REYNAUD, G. R.; D.Sc. - Dept. of Biol., Temple Univ., PHILADELPHIA, PA 191 22, U.S.A. 

 REYNOLDS, S. R. M.; Ph.D., D.Sc, Prof. (Emer. Univ. of lUinois) - 933 Olde Hickory Rd., 



LANCASTER, PA 17601, U.S.A. 

 a Compartmentalization of the uterine lymphatic system 



REYNOLDS (KING), Mrs. W. A.; Ph.D., Prof.- Dept. of Anat., Univ. of Illinois, P. O. Box 6998, 

 CHICAGO, IL 60680, U.S.A. 



73 



