MASCARENHAS J. P. Ph.D., Prof. — Dept. of Biol. Sci., State Univ. of New York. 1400 

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



a Protein and RNA synthesis in the control of pollen tube development. Tradescantia 

 paludosa (Commelinaceae) 



b Gene activity in pollen development. Tradescantia paludosa (Commehnacea), Z,ea mays 



MASLOW, D. E. Ph.D. — Dept. of Exper. Pathol., Roswell Park Mem. Inst., BUFFALO, 



N.Y. 14203, U.S.A. 

 a The effect of changes in the cell periphery caused by enzymatic treatments as determined 



by electrophoretic mobility on the formation of aggregates of disaggregated embryonic cells 



of different tissue origins. Gallus domesticus (Aves) 

 b The adhesion of cells to different cellular and non-cellular substrates. Mus spec. (Rodentia), 



Homo sapiens (Primates) 

 c The release of material associated with cell adhesion. Same species as a 

 d Differential adhesion in the morphogenesis of the limb bud. Gallus domesticus (Aves) 

 MASNER, P. RNDr., CSc. — Dept. of Developm. Morphol., Inst, of Entomol., Czechoslov. 



Acad, of Sci., 7 Vinicna, PR AH A 2, Czechoslovakia 

 MASSART. C. M.D., Prof. — 1st. di Anat. e Istoembriol., Univ. di Pisa. Via Roma 55, 56100 



PISA, Italy _ _, „„ . . 



MASTROLIA, Miss L. Dr.biol.sci. — 1st. di Zool. dell'Univ., Viale Regina Elena 324, (al 



Policlinico), 00100 ROMA, Italy 

 MASUDA. H. D.Sc. — Dept. of Biol., Konan Univ., Okamoto, Motoyama-cho, Higashinada- 



MASUI Y. Ph.D., Prof. — Dept. of Zool., Univ. of Toronto, 25 Harbord St., TORONTO 

 5, Ont., CANADA tt v , • 



MATEJKA, M. Dr.Med., CSc. — Inst, of Histol. and Embryol., Charles Univ., Karlovarska 

 48, PLZEfi, Czechoslovakia 



a The morphogenesis of the genital organs from the standpoint of evolutionary morphology. 

 (Amniota, incl. Homo sapiens) r**.r*r* 



MATHEWS, M. B. Prof. — Dept. of Biol., Div. of Biol. Sci., Univ. of Chicago, CHICAGO, 

 111. 60637, U.S.A. 



MATSUMOTO, J. D.Sc. — Dept. of Biol., Keio Univ., YOKOHAMA-Hiyoshi, Japan 



a Changes of enzymatic composition during pigment cell differentiation. Carassius auratus, 

 Xiphophorus helleri (Teleostei), Xenopus laevis (Anura) 



b Morphological and cytochemical characterization of phaeomelanosomes. Mus musculus 

 (Rodentia) 



MATSUNAGA, Miss Y. — , Embryol. Sect., Dept. of Biol., Tokyo Metropolitan Univ., 2-1-1 

 chome, Fukazawa-machi, Setagaya-ku, TOKYO 158, Japan 



a Carbohydrate metabolism of the embryo. Anthocidaris spec, Pseudocentrotus spec, 

 Hemicentrotus spec. (Echinoidea) 



MATTHEWS, R. W. B.D.S. — Dept. of Oral Anat., Dental School, Northumberland Rd., 

 NEWCASTLE upon Tyne NE1 8TA, England 



a Development of the submandibular gland and the differentiation of the ductal elements. 

 (Rodentia) 



MATTINGLY, Miss E. Ph.D. — Dept. of Zool., Univ. of Georgia, ATHENS, Ga. 30601, 

 U.S.A. 



a Variations in nucleic acid synthesis during larval development (autoradiography and 

 biochemistry) . Rhynchosciara angelae (Dipteca) 



MATUSZEWSKI, B. Ph.D. — Dept. of Cytol., Zool. Inst., Warsaw Univ., Krakowskie 

 Przedmiescie 26/28, WARSZAWA 64, Poland 



a Oogenesis. (Cecidomyiidae, Diptera) 



b Cytochemical investigation on the origin of the mitotic spindle. Same species as a 



c Development and growth of egg follicles: 1. growth regulation of nurse nuclei; 2. origin 

 of oosome material in the egg cell. Same species as a 



MAUGER (GIRARD), Mrs. A. Dr.es Sci. — Lab. de Zool., Inst, de Rech. Biol., Univ. 

 Scient. et Med. de Grenoble, Cedex 53, 38 GRENOBLE, France 



a Ultrastructure of the effects of x-irradiation upon the development of the spinal pteryla 

 and the cutaneous nerve pattern. Gallus domesticus (Aves) 



b Role of spinal cord, somites, and ectoderm in feather pattern formation. Same species as a 



c Contribution of various cell types to the dermis and epidermis (autoradiography, xeno- 

 plasty transplantation). Gallus domesticus, Coturnix japonica (Aves) 



MAURER, R. R. Ph.D. — Natl. Inst, of Environm. Health Sci., P.O.Box 12233, RESEARCH 

 TRIANGLE PARK, N.C. 27709, U.S.A. 



a Significance of uterine proteins to 2 - 4 cell embryos in vitro. Oryctolagus cuniculus 

 (Lagomorpha) 



b The male influence on the development of the early embryo (2 cell - blastocyst) . Oryctola- 

 gus cuniculus (Lagomorpha) , Mesocricetus auratus (Rodentia) 



c The effects of uterine environmental changes with maternal ageing on embryonic develop- 

 ment. Same species as a 



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