b Relation between division chronology and early differentiation. Same species as a 



BIJTEL, Miss J. H. D.Sc, M.D. - De Boelelaan 275, 'Zuidwende', AMSTERDAM 1011, Buiten- 



veldert, Netherlands 'SDB 



BILLAT (CARLIER), Mrs. C. D.E.S. - Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 



REIMS Cedex, France 

 a Electron microscopy of foetal liver and of cultured foetal hepatocytes. 



BILLETT, F. S. Ph.D. - Dept. of Biol., The Univ., Bldg.25, SOUTHAMPTON S09 5NH, England 

 a The formation of mitochondria in oocytes. Carassius spec, Pachypanchax playfairii (Teleostei), 



Ambystoma mexicanum, Xenopus laevis (Amphibia) 

 b The formation of cilia in the epidermis. Ambystoma mexicanum (Urodela) 

 BILLINGTON, W. D. Ph.D. - Dept. of Pathol., Univ. of Bristol, University Walk, BRISTOL BS8 



1TD, England 

 a Immunology of reproduction. Mus musculus (Rodentia), Homo sapiens (Primates) 

 b Biology of the trophoblast. Same species as a 

 c Early embryonic development. Mus musculus (Rodentia) 



BILO, Mrs. A. - Inst, fur Genet., Univ. des Saarlandes, 66 SAARBRUCKEN 11, B.R.D. (Germany) 

 a Juvenile hormone, inorganic ions and puffing patterns in giant chromosomes. Chironomus 



thummi (Diptera) _^ T 



BIRCH-ANDERSEN, A. - State Serum Inst., Amagerboulevard 80, 2300 COPENHAGEN S, Denmark 

 a The ultrastructure of normal and pathological sperm. Bos taurus (Artiodactyla) (with E. BLOM, 



State Vet. Serum Lab.) 

 BIRNSTIEL, M. L. Dr.Sc.nat., Prof., - Inst, fur Molekularbiol. II der Univ. Zurich, Winterthurerst. 



266A, 8057 ZURICH, Switzerland ISDB 



a Characterization of ribosomal DNA. Xenopus laevis (Anura) 

 b Characterization of 9s pulse-labelled messenger RNA. (Echinoidea) 

 BISCONTE, J. C. Dr.es Sci. - Lab. de Neurophysiol., Univ. des Sci. et Techn. du Languedoc, Place 



E.Bataillon, 34060 MONTPELLIER, France 

 a Ontogenese du systeme nerveux central (radioautographie). Rattus norvegicus (Rodentia) 

 BISHOP M. W. H. Ph.D. - Dept. of Anim. Husb., School of Vet. Sci., Univ. of Bristol, Langford 



House, Langford, BRISTOL BS18 7DU, England 

 a Gametogenesis. Bos taurus, Sus domesticus (Artiodactyla), Felis domestica, Canis familians 



(Carnivora), Equus caballus (Perissodactyla) 

 b Congenital abnormalities, especially embryonic death, and intersexuality. Same species as a 

 BJERRE, B. M.D. - Tornblad-Inst. for Comp. Embryol., Biskopsgatan 7, 223 62 LUND, Sweden 

 a Effect of nerve growth factor on early development. Gallus domesticus (Aves) 

 BLANCHET, J. P. Dr.Spec. - Sect, de Biol. Gener. et Appl., Univ. de Lyon I, 43 Bd. du 11 



Novembre 1918, 69621 VILLEURBANNE, France 

 a Evolution des deshydrogenases lactiques au cours de l'erytropoiese embryonnaire. Gallus domes- 

 ticus (Aves) 

 b Characterization of erythrocyte membrane proteins during development. Gallus domesticus 



(Aves) 

 BLECHSCHMIDT, E. Dr.med., o.o.Prof. - Anat. Inst, der Univ., Kreuzbergring 36, 34 GOTTIN- 



GEN, B.R.D. (Germany) 

 a Die pranatalen Organsysteme. Homo sapiens (Primates) 



b Funktionelle Differenzierungen. Homo sapiens (Primates) tix ,^i7xt d r> ™ 



BLECHSCHMIDT, M. Dr.med. - Anat. Inst, der Univ., Kreuzbergring 36, 34 GOTTINGEN, B.R.D. 



(Germany) 

 a Ultrastruktur und funktionelle Entstehung der Muskulatur. Gallus gallus (Aves), Homo sapiens 



(Primates) ^„^ T ,, ^ 



BLOM, E. Dr.med.vet. - State Vet. Serum Lab., Bulowsvej 27, 1870 COPENHAGEN V, Denmark 

 a Pathological conditions in the testis, epididymis and accessory sex glands. Bos taurus (Artiodac- 



b The ultrastructure of normal and pathological sperm. Bos taurus (Artiodactyla) (with A. BIRCH- 

 ANDERSEN, State Serum Inst.) 



BLUEMINK, J. G. Ph.D. - Hubrecht Lab. (Internat. Embryol. Inst.), Uppsalalaan 1, Umversiteits- 

 centrum 'De Uithof , UTRECHT, Netherlands 



a Experimental analysis of ultrastructural changes during cytokinesis, and in the egg cortex during 

 gastrulation. Xenopus laevis (Anura) 



b Analysis of ultrastructural changes during morphogenesis in the salivary gland. Rattus norvegicus, 

 Mus musculus (Rodentia) r>i ,.r,c /->r>o av 



BLUZAT, R. R. Dr.3eme cycle - Lab. de Zool., Centre d'Orsay, Univ. Pans-Sud, 91405 ORbAY, 



a Structure and ultrastructure of germinal determinant in the egg. Leptinotarsa decemlineata 



(Coleoptera) 

 b Sensitivity to ionizing irradiation in embryogenesis: 1. relation to repair or non-repair ot lesions; 



2. relation to synthesis of informational macromolecules. Leptinotarsa decemlineata (Coleoptera) 

 BOCZKOWSKA, Mrs. J. B.Sc. - Dept. of Histol. and Embryol., Acad, of Med., ul. Narutowicza 60, 



L6DZ, Poland 

 BODELET, B. - Lab. d'Embryol., Univ. de Nancy I, 31 rue Lionnois, 54 NANCY, France 

 BODO, Miss M. A. Dott.Sci.Biol. - Inst, of Histol. and Gen. Embryol., Univ. of Perugia, Via del 



Giochetto, 06100 PERUGIA, Italy 

 a Protein synthesis in liver cells in vitro. Gallus gallus (Aves) 



BOHN, H. Dr.rer.nat. - Zool. Inst, der Univ., Luisenst. 14, 8 MUNCHEN 2, B.R.D. (Germany) 

 a Regeneration and transplantation of limbs; polarity and gradient systems. Leucophaea maderae, 



15 



