a Biochemistry of the male reproductive organs and semen. (MammaHa) 



b Comparative biochemistry of reproduction. (Mollusca; Elasmobranchii), various large domestic, 



small laboratory, and wild animals (Mammalia) 

 c Physiology and biochemistry of spermatophores. Octopus dofleini (Cephalopoda) 

 d Coenzymes in spermatozoa. Ovis aries, Bos taurus, Sus domesticus (Artiodactyla), Equus cabalhis 



(Perissodactyla) 

 MANNING, Miss M.J. ; Ph.D. - Dept. of Zool., Univ. of Hull, HULL HU6 7RX, England 

 a Maturation of immunocompetence correlated with development of the lymphoid tissues: removal 



of the thymus and exposure to antigenic stimulation (allografts, protein antigens etc.) at different 



larval stages; in vitro studies of the immunological capabilities of lymphocytes. Xenopus laevis 



(Anura) 

 MANSUETO (BONACCORSO), Mrs. C; Dr.nat.sci., Prof. - Zool. Inst., Univ. of Palermo, Via 



Archirafi 18, 90123 PALERMO, Italy 

 a Investigations on embryonic development by use of radio-isotopes. Ciona intestinalis (Ascidiacea) 

 b RNA synthesis in egg development. Ciona intestinalis, Ascidia malaca, Clavellina lepadiformis 



(Ascidiacea) 

 MANUKHIN, B. N.; Dr.biol.sci. - Inst, of Developm. BioL, Acad, of Sci. of the U.S.S.R., Vavilov St. 



26, MOSCOW 117334, U.S.S.R. 

 a Uptake of neurotransmitters by early embryos. (Echinoidea) 

 MARAUD, R.; Dr.en Med., Dr.es Sci., Prof. - Lab. de Biol, et d'Histol., Univ. de Bordeaux II, Place de 



la Victoire, 33 BORDEAUX, France 

 MARCEL, R.; D.Sc. - Serv. de Biol. Anim., Univ. des Sci. et Techn. de Lille, B.P.36, 59650 



VILLENEUVE D'ASCQ, France 

 a Biochemistry of trophic factor and specific inhibition of cephaUc and caudal regeneration. 



Eisenia foctida (Oligochaeta) 

 b Ultrastructure of nerve cells during regeneration. Same species as a 

 c Immunofluorescence of factors governing morphogenesis. Same species as a 

 MARCHAND, C. R.; Dr.3e Cycle - Lab. de Zool. et Embryol., Univ. de Besan9on, Place Marechal 



Leclerc, 25030 BESANfON Cedex, France 

 a Histophysiologie des testicules et de I'hypophyse des hybrides intergeneriques steriles comparee a 



celle des canards fertiles. Cairina moschata, Anas platyrhynchos (Aves) (avec L. GOMOT) 

 MARCHISIO, P. C; M.D. - 1st. di IstoL ed Embriol. Gen., Univ. di Torino, Corso Massimo d'Azeglio 



52, 10126 TORINO, Italy 

 MARIANI, Mrs. G.; Dr.Sci.Biol. - Inst, of Histol. and Gen. Embryol., Univ. of Ferrara, Via Fossato di 



Mortara 66, 44100 FERRARA, Italy 

 a Histochemistry and electron microscopy of epithelio-mesenchymal interactions during lung and 



skin morphogenesis in vitro. Gallus domesticus (Aves) 

 MARIN (LEWIN), Mrs. L.; Dr.Sci. - Lab. d'Lmbryol. Exper. du Coll. de France et du C.N.R.S., 11 



Place M.Berthelot, 75 PARIS Ve, France 

 a Morphogenese du poumon: 1. determinisme de la maturation des structures specifiques de 



Tepithelium (ultrastructure); 2. evolution du metabolisme du tissu pulmonaire (biosynthese des 



lipides, activite enzymatique); 3. influence de mesenchymes hetcrologues sur revolution ultra- 



structurale de I'epithelium. Gallus gallus (Aves) (avec F. DAMERON) 

 MARINELLI. Mrs. M.; Dr. - 1st. di Anat. Comp., Univ. di Perugia, Via A. Pascoli, 06100 PERUGIA, 



Italy 

 a Ultrastructure of the cocoon. Dugesia lugubris (Turbellaria) 

 b Histochemistry of vitelline cells. Same species as a 

 MARINI, Miss M.; Dr. Biol. - 1st. di Anat. Comp., Univ. di Modcna, Via Berengario 14, 41100 



MODENA, Italy 

 a Growth and differentiation of the subcommissural organ. Gambusia spec, Jordanella spec. 



(Teleostei) 

 b Differentiation of Rohon-Beard cells. Salamandra spec. (Urodela) 

 c Differentiation of the dorsal cells in the spinal cord. Crenilabrus spec. Hippocampus spec. 



(Teleostei) 

 d Neurosecretion during development. Same species as a 

 MARKENS, I. S.; Dr. Orthodont. Dept., Dent. Sch., State Univ. of Utrecht, Sorbonnelaan 16, "de 



Uithof, UTRECHT, Netherlands 

 a Experiments on persistence of cranial sutures till old age; possible causes; bone movements or 



sutural tissue properties (transplantation of bone into suture). Rattus norvegicus (Rodentia) 



(wilhH. A. J.OUDHOF) 

 MARKOVA, Mrs. L.N. - Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., Vavilov St. 26, 



MOSCOW 117334, U.S.S.R. 

 a The products of enzymic deamination of serotonin and catecholamines as potential regulators of 



cleavage divisions. Strongylocentrotus nudus, S. intermedius (Echinoidea) (with 



(,. A. BUZNIKOV) 

 MARRARO (CARNAZZA), Mrs. M. L. 1st. di Anat. Umana Norm., Univ. di Catania. Via Biblioteca 



4, 951 24 CATANIA, Italy 

 a Structural ciianges of allantoic membrane epithelium submitted to the action of different agents. 



Gallus domesticus (Aves) 

 b Pineal gland homoplastic graft in chorioallantoic membrane. Same species as a 

 MARSH, J. L.; Ph.D. Abt. Zollbiol., Biozcntrum der Univ., Klingelbergstr.70. 4056 BASEL, 



Switzerland 

 a ("ontrol of early embryogenesis and oogenesis using maternal effect mutants (micro-injection 



bioassay, genetic dissection of biochemical functions); pole cell grafts to determine the cell types 



68 



