a RNA synthesis in dedifferentiating and redifferentiating regenerating tissues. Xenopus laevis, 



Ambystoma spec. (Amphibia) 

 b Somite morphogenesis. Xenopus laevis (Anura) 

 c Myogenesis. Same species as b 



d Teratogenic effects of altering cell adhesions during cell migration. Same species as b 

 BURGOYNE, P. S.; Ph.D. - Hormone Lab., Dept. of Obstet. and Gynecol., Univ. of Edinburgh, 



23 Chalmers St., EDINBURGH EH3 9EW, Scotland, UK 

 a Role of sex chromosomes in germ cell differentiation. Mus musculus (Rodentia) 

 b Pregnancy loss of XO and OY embryos. Same species as a 

 c Gonadal differentiation in vitro. Same species as a 

 BURIGHEL, P.; Dr.biol. - 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 PADOVA, 



Italy 

 a Differentiation of digestive tract. Botryllus schlosseri and other spp. (Ascidiacea) 

 b Organogenesis. Botryllus schlosseri (Ascidiacea) 

 c Tissue involution. (Ascidiacea) 

 BURKI, K.; Dr.sci.nat. - Lab. of Cell Differ., Dept. of Biol., Univ. of Geneve, 154 Rte de Malagnou, 



1224 CH£;NE-B0UGERIES (Geneve), Switzerland 

 a Cell lineage in early embryos. Mus musculus (Rodentia) 

 b Internal order of the nucleus in relation to cell differentiation. Mus musculus, Phodopus sungorus 



(Rodentia) 

 BUSCH, L. C; Dr.rer.nat. - Dept. of Anat. and Reprod. Biol., Rhein.-Westf. Techn. Hochschule, 



Melatener Str. 211, 5100 AACHEN, BRD (Germany) 

 a Morphology of preimplantational tissues of blastocysts and maternal reproductive organs and 



their endocrinological control. Oryctolagus cuniculus (Lagomorpha) 

 b Tissue culture of developing endometrial cells. Same species as a 

 BUTLER, S. R.;Ph.D. - Dept.of Anat., Med. School, Univ. of Birmingham, Edgbaston, BIRMINGHAM 



B15 2TJ, England 

 BUZNIKOV, G. A.; Dr.biol.sci. - Inst, of Devi. Biol., Acad, of Sci. of the USSR, Vavilov St. 26, 



MOSCOW 117334, USSR 

 a Role of neurotransmitters (acetylcholine, serotonin, catecholamines) in early embryogenesis. 



Strongylocentrotus drobachiensis, S. nudus, S. intermedius, Paracentrotus Uvidus, Arbacia hxula, 



Sphaerechinus granularis (Echinoidea) (with L. N. MARKOVA, N. A. TEPLITZ and T. M. 



TURPAEV) 

 b Role of serotonin in intercellular connections during cleavage divisions. Scaphechinus miiabilis 



(Echinoidea) (with Yu. B. SCHMUCKLER) 

 BYCZKOWSKA (SMYK), Ms. W.; Dr. - Dept. of Comp. Anat., Jagellonian Univ., ul.M. Karasia 6, 



30-060 KRAKC)W, Poland 

 a Cell size in development. Rana temporaria, R. arvahs (Anura) 

 BYSKOV, Ms. A. G.; Ph.D. - Finsen Lab., Finsen Inst., 49 Strandboulevarden, 2100 COPENHAGEN 



0, Denmark 

 a Development and function of gonads; regulation of meiosis and ceU dynamics of gonadal cell 



populations (electron microscopy, flow cytometry, autoradiography). (Rodentia; Primates) 

 b Sex differentiation in vivo and in vitro. Same species as a 

 CABROL, D.; M.D. - Lab. de Biol, de la Reprod., Univ. Paris VI (P. et M. Curie), Bat. A, 7e etage, 7 



quai Saint-Bernard, 75230 PARIS Cedex 05, France 

 a Intrauterine foetal visuaMzation 

 CADILHACJ. C.;Prof. - Lab. de Pathol. Gener., Fac. de Med., Bd. Henri IV, 34000 MONTPELLIER, 



France 

 CALABRO, Ms. C; Dr. - Inst, of Zool. and Comp. Anat., Univ. of Messina, Via dei Verdi 75, 98100 



MESSINA, Italy 

 a Cytochemistry of yolk globules in the oocyte. Pisania maculosa, Murex trunculus (Gastropoda) 

 CALASTRINI, Ms. C. - Inst, of Histol. and Gen. Embryol., Univ. of Ferrara, Via Fossato di Mortara 



64, 44100 FERRARA, Italy 

 a Epithelio-mesenchymal interactions in lung morphogenesis in vitro (ultrastructure). Gallus domes- 



ticus (Aves) 

 b Ultrastructure of embryonic membranes. Homo sapiens (Primates) 

 CALLEBAUT, M. E.; M.D. - Lab. of Anat. and Embryol., State Univ. Ctr., Groenenborgerlaan 171, 



2020 ANTWERPEN, Belgium 

 a Early development. Gallus domesticus, Coturnix coturnix (Aves) 

 b 3H-uridine, 3H-thymidine, and l-leucine-3H incorporation in female germ cells. Coturnix c. 



japonica (Aves) 

 c Origin of ovarian somatic cells. Same species as a 

 CALMAN, Ms. F. - Inst. d'Embryol. du C.N.R.S. et du Coll. de France, 49bis Av. de la Belle Gabrielle, 



94130 NOGENT-sur-MARNE, France 

 a Role of MHC (major histocompatibiUty complex) antigens in interactions between thymus epi- 

 thelium and lymphoid precursor cells (transfilter cuhure, transplantation). Mus musculus (Ro- 

 dentia) 

 CALVEZ, B.; Dr.spec. - Dept. de Biol. Gen. et Appl., Univ. de Lyon 1, 43 Bd. du 11 Novembre 1918, 



69621 VILLEURBANNE, France 

 a Feeding effects on protein synthesis in larvae. Bombyx mori, Philosamia cynthia (Lepidoptera) 

 CAMBAR, R.; Dr., Prof. - Lab. de Biol. Anim. A, Univ. de Bordeaux I, Av. des Facultes, 33405 



TALENCE Cedex, France 

 a fitude descriptive et experimental de la morphogenese du mesonephros. Rana spec, Alytes spec, 



Discoglossus spec, Xenopus spec. (Anura) 



22 



