MAURER R. R.; Ph.D. - Meat Anim. Res. Ctr., Sci. and Educ. Administr., US Dept. of Agric, P.O. 



Box 166, CLAY CENTER, NE 68933, USA 

 a Significance of uterine proteins to embryonic development. Cow 

 b Low temperature (-196 C) preservation of embryos. Cow 

 c Factors influencing embryonic survival during preimplantation stages and early implantation. 



Pig, Cow 

 MAXWELL, G. D.; Ph.D. - Dept. of Anat., Univ. of Connecticut Health Ctr., FARMINGTON, 



CT 06032, USA 

 a Neuronal differentiation of neural crest cells in vitro. Quail 

 b Mechanisms of neural crest cell migration and location. Quail 

 MAYER, T. C; Ph.D., Prof. - Dept. of Biol., Rider Coll., P.O.Box 6400, LAWRENCEVILLE, NJ 



08648, USA 

 a Developmental genetics of white-spotting patterns. Mouse 

 MAYHEW, E. G.; Ph.D. - Dept. of Exp. Pathol., Roswell Park Mem. Inst., 666 Elm St., 



BUFFALO, NY 14263, USA 

 a Meclianism of histiotypic sorting of heterospecific embryo cells; the effects of tumour cells on 



sorting patterns. Chicken, Mouse 

 MAZURKIEWICZ, M.; Ph.D. - Dept. of Biol. Sci., Univ. of Maine at Portland-Gorham, 96 Falmouth 



St., PORTLAND, ME 04103, USA 

 MEER, J. M. van der; Dr. - Dept. of Biol. Sci., Purdue Univ., WEST LAFAYETTE, IN 47907, USA 

 a Transcellular developmental currents and ion tluxes through developing cells (vibrating probe 



detecting nanovolt differences). Drosophila melanogaster, Smittia spec. (Diptera), Callosobruchus 



maculatus (Coleoptera) 

 b 1-ree calcium changes during early development (aequorin) and relation with segment pattern 



formation. Same species as a 

 c Molecular biology (RNA), ultrastructure, cellular and supracellular research on segment pattern 



formation. (Insecta) 

 d Relation between mitotic patterns and egg polarity. Callosobruchus maculatus (Coleoptera) 

 MEIER, S.: Ph.D. - Dept. of Zool., Univ. of Te.xas, AUSTIN, TX 787 1 2, USA 

 a Metameric pattern formation in mesoderm; morphogenesis of head mesoderm and its relationship 



to neural crest cell distribution (EM). Chicken 

 b Role of extracellular matrix in interaction between surface epithelium and neural crest cells 



resulting in otic placode formation. Chicken 

 MENCZER, J. - Dept. of Embryol. and TeratoL, Ch. Sheba Med. Ctr., Tel-Aviv Univ., TEL 



HASHOMER, Israel 

 MERCHANT-LARIOS, H.; D.Sc. - Inst, de Invest. Biomed., Univ. Nac. Autonoma de Mexico, A.P. 



70228, MEXICO 20, D.F., Mexico 

 a Culture, cytochemistry and ultrastructure of primordial germ cells; mechanisms of action of some 



drugs. Mouse, Rat 

 b Ovarian morphogenesis and cytodifferentiation; interaction between germ and somatic cells; 



ultrastructure and steroidogenic differentiation 

 c Cellular mechanisms of gonadal sex differentiation; experimental sex inversion by steroids. Rana 



spec. (Amphibia) 

 d Experimental sex inversion induced by steroids (EM). Xenopus laevis (Anura) 

 METZ C. B.; Ph.D. - Inst, of Molec. and Cell. Evolut., Univ. of Miami, 521 Anastasia Ave., CORAL 



GABLES, FL 33134, USA 

 MEYER, D. B.; Ph.D. - Dept. of Anat., Wayne State Univ., 540 E. Canfield, DETROIT, MI 48201, 



USA 

 a Morphogenesis and developmental histochemistry of embryonic eye. Gallus domesticus (Aves), 



Macaca mulatta (Primates), (Insectivora, Mammalia) 

 b Prenatal ossification of the skeleton. Homo sapiens. (Primates) 



c Electron microscopy of retinal development. Gallus domesticus, Coturnix c. japonica (Aves) 

 MEYER, R. L.; Ph.D. - Dept. of Devi, and Cell Biol., Univ. of California, IRVINE, CA 92717, USA 

 a Patterning of nerve connections during development and nerve regeneration in the retinotectal 



system (autoradiography, electrophysiology). Carassius auratus (Teleostei) 

 MEYERHOF, P. G.; Ph.D. - Dept. of Zool., Univ. of California, BERKELEY, CA 94720, USA 

 a Mechanism of action and characterisation of cytostatic factors from eggs and mitotic cells which 



induce chromosome condensation and cleavage arrest. Rana pipiens, Xenopus laevis (Anura), 

 Lytechinus pictus and other marine spp. (Invertebrata) 

 b Surface morphology following fertilisation and cleavage arrest. Rana pipiens, Xenopus laevis 



(Anura) 

 c Reactivation of isolated mitotic apparatus in vivo. Species as a 

 MEZEI (TEICHMANN), Ms. C; Ph.D. - Biochem. Dept., Med. Sch., DaUiousie Univ., Sir Charles 



Tupper Bldg., HALIFAX, N.S. B3H 4H7, Canada 

 MICELI, Ms. D. C; Biochem. - Inst, de Biol., Univ. Nac. de Tucuman, Chacabuco 461, 4000 S. M. 



de TUCUMAN, Argentina 

 a Fatty acid biosynthesis during early development: enzyme regulation. Bufo arenarum (Anura) 

 b Influence of oviductal secretions on vitelline membrane properties and its involvement in 



fertilization. Same species as a 

 MICHAEL, M. I.; Ph.D., Prof. - Dept. of Zool., Alexandria Univ., Mohairam Bey, ALEXANDRIA, 



Egypt 

 a Experiments on determination of the proximo-distal axis of the developing hind limb. Bufo 

 regularis (Anura) (with S. N. SEDRA, S. H. KHALIL and A. A. S. HASSONA) 



57 



