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



of oosome material in the egg cell. (Cecidomyiidae, Diptera) 

 MAUGER (GIRARD), Mrs. A. Dr. — Lab. de Zool.. Fac. des Sci. de Grenoble, Cedex 53, 



38 GRENOBLE. France 

 a Organogenesis of the vertebral column after treatment of gastrulae with hthium chloride 



and sodium thiocyanate. Pleurodeles waltlii (Urodela) 

 b Microscopic and ultrastructural study of the effects of X-irradiation upon the devel- 

 opment of the spinal pteryla and the cutaneous nerve pattern. Callus domesticus (Aves) 

 c Autoradiographic study of the formation of the skin: contribution of various cell types 



to the dermis and epidermis. Gallus domesticus (Aves) 

 MAURER. M L. B.A. — Div. of Biol. Sci.. Cornell Univ.. ITHACA, N.Y. H850. U.S.A. 

 MAURY (GALLISSIAN). Mrs. M. F. Dipl.d'Etud.Sup.2 — Lab. de Morphogenet. Anim.. 



Fac. des Sci., 1 Place Victor Hugo, 13 MARSEILLE 3, France 

 a Les problemes de dedifferenciation et de redifferenciation cellulaire. (Marine Porifera) 

 MAY CHING, T. Dr. — Agronomy Dept., Oregon State Univ., CORVALLIS, Ore. 97331, 



U.S.A. 

 a Physiology of seed development. ( Angiospermae ) 

 MAYER T. C. Ph.D., Prof. — Dept. of Biol., Fac. of Liberal Arts and Sci.. Rider Coll.. 



TRENTON, N.J. 08602, U.S.A. 

 MAZHUGA. P. M. Dr.biol.sci. — Dept. of Cytol. and Histogenesis, Inst, of Zool., Acad. 



of Sci. of the Ukraine, Vladimirskaya St. 55, KIEV 30. U.S.S.R. 

 a Principles of genesis, and cytological peculiarities of some derivatives of mesenchyme: 



the peculiarities of endochondral and perichondral osteogenesis. Domestic and laboratory 



animals (Mammalia), Homo sapiens (Primates) 

 h Onto- and phylogenesis of the blood-vascular trunks of the extremities. Domestic and 



laboratory animals (Mammalia). Homo sapiens (Primates) 

 c The development of the blood-vascular bed of the joint capsule. Domestic and laboratory 



animals (Mammalia), Homo sapiens (Primates) 

 d Histogenesis of blood vessels; comparative hemopoiesis. Domestic and laboratory animals 



(Mammalia), Homo sapiens (Primates) 

 e The structural and functional differentiation of cells in chondrogenesis and osteogenesis. 



(Mammalia) 

 MAZURKIEWICZ, M. M.S. — Ira C. Darling Center for Research, (Marine Lab.), Univ. 



of Maine. WALPOLE, Me. 04573, U.S.A. 

 a Development from the egg through F2 generation. Laonereis culveri (Ercantia, Poly- 



chaeta) 

 b Larval development and reproduction. Hydrobia totteni, H. salsa (Prosobranchia, Gastro- 

 poda) 

 c Larval development. Macoma balthica (Lamellibranchia) 

 MAZZA, M. Dr.Nat.Sci. — 1st. di Zool. e Anat. Comp. delfUniv., Via A. Volta 4, PISA, 



Italy 

 a External egg morphology, development. Nepa rubra (Heteroptera, Hemiptera) 

 MECKLENBURG, C L. F. C. von Fil.lic. — Zootom. Dept., Zool. Inst., Univ. of Lund, 



Helgonavagen 3. S-223 62 LUND, Sweden 

 MEDAWAR, Sir P. B. D.Sc. — Natl. Inst, for Med. Research, Mill Hill, LONDON N.W.7, 



England 

 MELANDER, Y. Ph.D. — Inst, of Genet., Univ. of Lund, Solvegatan 29, 223 62 LUND, 



Sweden 

 a Behaviour of chromosomes in relation to cell differentiation during embryogenesis; studies 



of living (cinematography) and fixed cells. (Planariidae, Turbellaria) , Tomopteds helgo- 



landica (Polychaeta), Calliphora erythrocephala (Diptera), (Mammalia) 

 MELLINGER, J. Dr.es Sci. — Lab. de Zool. et d'Embryol. Exper., Univ. de Strasbourg, 



12 rue de lUniversite. STRASBOURG, France 

 MELTON, Ch. G., Jr. Ph.D. — Dept. of Biol., Univ. of Pittsburgh, PITTSBURGH, Pa. 



15213, U.S.A. 

 a Messenger RNA ontogeny in embryonic development. Rana pipiens (Anura) 

 MENGE, A. C. Ph.D., Prof. — Dept. of Obstet. and Gynecol., Center for Research in 



Reprod. Biol., Univ. of Michigan Med. Center, ANN ARBOR, Mich. 48104. U.S.A. 

 a Effects of immune reactions against spermatozoa on the development of embryos. Ocycto- 



lagus cuniculus (Lagomorpha) 

 MENKES, B. Dr.med., Prof. — Centrul de Embriol. Norm. §i Patol., Acad. Republ. Social. 



Romania, Bul.M.Viteazul 24, TIMI§OARA, Rumania 

 a The role of normal and experimentally induced necrosis in teratogenesis 

 b Cinematographical studies on growth and differentiation processes of the embryonic axial 



organs. Gallus domesticus (Aves) 

 c The influence of exogenous factors on embryonic development; prenatal pathology. Gallus 



domesticus (Aves) 

 d Organogenesis in the embryo. Homo sapiens (Primates) 



e Synthetic study on a collection of serial preparations of 3-30 mm embryos. Homo sapiens 

 (Primates) 



117 



