RAUNICH, L. Ph.D.. M.D., Prof. — 1st. di Anat. Comp., Univ. di Ferrara, Via Scienze 17, 



44100 FERRARA. Italia 

 a Morphological and biochemical aspects of embryonic and foetal blood cell differentiation. 



(Vertebrata) 

 b Hemopoietic factors during development. (Anura), Gallus gallus (Aves) 

 RAVEN. Chr. P. Ph.D.. Prof. — Zool. Lab.. State Univ. of Utrecht, Janskerkhof 3. 



UTRECHT, Netherlands • 



a Maturation divisions of eggs. Various spp. (Gastropoda) 

 b Application of information theory to oogenesis and embryonic development, 

 c Morphology of the head region in cyclocephalic embryos. Limnaea stagnalis (Gastropoda) 

 d Cortical morphogenetic field and early ooplasmic segregation. Various spp. (Gastropoda) 

 e Transfer of information from egg follicle to oocyte. Various spp. (Gastropoda) 

 RAWLES (SPURBECK). Mrs. M. E. Ph.D. — 4000 North Charles St., BALTIMORE. 



Md. 21218. U.S.A. • 



a The origin and development of regional specialization in the integumentary system. Gallus 



gallus (Aves) 

 RAY. A. K. M.Sc. — Cell Research Unit. Dept. of Zool.. Univ. Coll. of Sci. and Technol.. 



35 Ballygunje Circular Rd., CALCUTTA- 19. India 

 RAYCHOWDHURI. S. M.Sc. — Cell Research Unit, Dept. of Zool., Univ. Coll. of Sci. 



and Technol., 35 Ballygunje Circular Rd.. CALCUTTA- 19. India 

 RAYMOND. G. M.es Physiol. — Lab. de Physiol. Anim.. Fac. des Sci., Univ. de Poitiers, 



40 Av. de Recteur Pineau. 86 POITIERS, France 

 a Ionic contents of the embryonic heart. Rattus norvegicus (Rodentia) 

 RAYNAUD. A. Dr.es Sci. — Serv. d'Embryol. Exper. de I'lnst. Pasteur, 20 rue des Moulins, 



95 SANNOIS. France • 



a Researches on the normal development of the genital tract in the embryo. Anguis Iragilis. 



Lacerta viridis (Lacertilia); Tropidonotus tessellata. Viper a aspis (Ophidia) 

 b Effects of the destruction with X-rays of the anlage of the hypophysis. Anguis fragilis 



(Lacertilia) 

 c Researches on the rotation of the egg in the uterus and the orientation of the axis of the 



embryo. Anguis fragilis (Lacertilia) 

 d Researches on the development of the limb buds (Lacerta viridis, L. sicula) and on the 



factors involved in the arrest of development of limb buds. Anguis fragilis (Lacertilia) 

 e Researches on the development of the phallus. Lacerta viridis, Anguis fragilis (Lacertilia), 



Tropidonotus tessellata (Ophidia) 

 f Researches on the function of endocrine glands in the embryo. Anguis fragilis, Lacerta 



viridis (Lacertilia), Tropidonotus tessellata (Ophidia) 

 g Researches on the capacities of differentiation in vitro of anlagen of the genital tract. 



Anguis fragilis, Lacerta viridis (Lacertilia), Tropidonotus tessellata (Ophidia) 

 h Effects of sexual and gonadotropic hormones on the sexual differentiation of the embryo. 



Anguis fragilis, Lacerta viridis (Lacertilia), Tropidonotus tessellata (Ophidia) 

 i Comparative embryology of the phallus. (Lacertilia; Chelonia) (in collaboration with 



C. PIEAU) 

 j Research on RNA and DNA synthesis of epidermal and mesodermal cells in the limb 



buds. Anguis fragilis, Lacerta viridis (Lacertilia) (in collaboration with J. VASSE) 

 k Effects of X-rays on embryonic development. Lacerta viridis, Anguis fragilis (Lacertilia) 



(in collaboration with C. PIEAU) 

 RAYNAUD (CHAULIN-SERVINIERE). Mrs. J. Dr.es Sci. — - Serv. d'Embryol. Exper. 



de rinst. Pasteur, 20 rue des Moulins, 95 SANNOIS, France 

 a Histochemical researches on the functional differentiation of the endocrine glands in the 



embryo. Anguis fragilis (Lacertilia) 

 b Culture in vitro of the anlage of the sub-maxillary gland. Mus musculus (Rodentia) 

 c Histochemical researches on the limb bud. Anguis fragilis, Lacerta viridis (Lacertilia) 

 RAZEK. H. A. M.D. — Dept. of Anat., Univ. of Bern, 26 Biihlstr., CH-3012 BERN, 



Switzerland 

 a Comparative placentation. (Mammalia) 

 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. Gallus domesticus (Aves), 



Mus musculus (Rodentia) 

 b Factors affecting pigment behaviour in the skin. Gallus domesticus (Aves), Mus musculus 



(Rodentia) 

 c The Langerhans cell: origin and differentiation. Mus musculus (Rodentia) 

 d Immunochemical studies on the origin of Langerhans cells. Mus musculus (Rodentia) 

 REDMAN. R. S. Ph.D.. Prof. — Dept. of Oral Biol., School of Dent., Univ. of Washington. 



SEATTLE, Wash. 98105, U.S.A. 



143 



