a Sulphatases during embryonic development. Ciona intestinalis (Ascidiacea) 

 b Analysis of the ovular mucin. Physa acuta (Gastropoda) 



DANDRIEU, M. R. Dr. - Lab. of Anat. and Embryol., Free Univ., v.d. Boechorststr.7, AMSTER- 

 DAM, Netherlands 

 a Influence of hydrocortisone on collagen synthesis in the embryo. Gallus domesticus (Aves) 

 DANIELI, G. A. Dr.biol.sci. - 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 



PADOVA, Italy 

 a Differentiation of salivary glands during larval development. Drosophila hydei (Diptera) 

 DANILOVA, L. V. - Lab. of Developm. Biol., Acad, of Sci. of the USSR, Vavilov St.26, MOSCOW 



117334, U.S.S.R. 

 DANKMEIJER, J.f Med.Dr., Prof. - Anat.-Embryol. Lab., State Univ. of Leiden, Wassenaarseweg 



62, LEIDEN, Netherlands 

 D'ANNA, T. Dr.nat.sci. - Zool. Inst., Univ. of Palermo, Via Archirafi 18, 90123 PALERMO, Italy 

 a Enzyme activity in embryonic development. (Ascidiacea) 

 b The respiratory metabolism during embryonic development. (Ascidiacea) 

 c Cytoplasmic DNA in eggs. Ciona intestinalis (Ascidiacea) 

 DAPENA, J. M.Sc. - Sect. Developm. Genet., Inst, of Genet, and Anthropol., Velazquez 144, 



MADRID 6, Spain 

 a Cell differentiation mutants. Drosophila spec. (Diptera) 

 DARRIEULAT, Miss F. - Lab. de Biol, de la Reprod., Univ. de Paris VI, B.P.261, 75827 PARIS- 



Cedex 17, France 

 a Action des endotoxines bacteriennes sur l'avortement et sur la letalite, et protection contre cette 



action. (Mammalia) 

 DAUGERAS, Miss N. - Lab. de Biol.-Vertebr., Centre d'Orsay, Univ. de Paris XI, Bat. 441, 91405 



ORSAY, France 

 a Evolution de la charge en glycogene hepatique chez Fembryon. Gallus domesticus (Aves) 

 b La fonction thyroidienne chez Fembryon: acides amines iodes dans la thyroide; iodemie; 



ioduremie; dosage par competition de thyroxine (T„ ). Gallus domesticus (Aves) 

 DAVID (BOGLI), Mrs. D. Dr.es Sci. - Lab. de Biol. Anim., Univ. de Clermont, B.P. 45, 63170 



AUBIERE, France 

 a Organogenese de Festomac embryonnaire. Oryctolagus cuniculus (Lagomorpha) 

 b Action du DDT sur le developpement de Fembryon. (Aves) 

 DAVID, G. Dr.en Med., Prof. - Lab. d'Histol.-Embryol., Fac. de Med. Bicetre, 94270 KREMLIN- 



BICETRE, France 

 a Biology and pathology of semen. Homo sapiens (Primates) 

 b Developmental pathology by immune mechanisms 

 DAVIDOVA, S. I. - Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., Vavilov St. 26, MOSCOW 



117334, U.S.S.R. 

 DAWES, C. M. Ph.D. - Dept. of Physiol, and Chem., Royal Vet. Coll., Royal College St., LONDON 



NW1 0TU, England 

 a Respiration and acid-base regulation. Gallus domesticus (Aves) 

 DBALY, J. MUDr. - Dept. of Anat., Div. of Histol. and Cytol., Univ. of Bern, 26 Buehlst., 3012 



BERN, Switzerland 

 a Development of coronary arteries under normal and experimental conditions. Gallus domesticus 



(Aves), Rattus norvegicus (Rodentia) 

 b Heart morphometry. Same species as a 



DEARDEN, M. B.Sc. - Didsbury Coll. of Educ, Wilmslow Rd., MANCHESTER 20, England 

 DECROLY (BRIERS), Mrs. M. D.Sci.Chim. - Lab. de Cytol. et Embryol. Molec, Univ. libre de 



Bruxelles, 67, rue des Chevaux, 1640 RHODE-ST-GENESE, Belgium ISDB 



DEFOSSEZ, A. - Serv. de Biol. Anim., Univ. des Sci. et Techn. de Lille, B.P. 36, 59650 VILLE- 



NEUVE D'ASCQ, France 

 a Mitosis in regeneration (experimental study, hormonal regulation). Carausius morosus (Phasmida) 



(with A. BART) 

 DEGENHARDT, K. H. Dr.med., Prof. - Inst, fur Humangenet. der Univ., Paul-Ehrlich St. 41, 6 



FRANKFURT/Main 70, B.R.D. (Germany) 

 a Environmental influences on chromosomal mosaicism; correlations between chromosomal aberra- 

 tions and special malformations. Mus musculus (Rodentia) 

 b Expression of the phenotype: relation between the mutation limb deformity (Id) and a pyrimi- 



dine antimetabolite. Mus musculus (Rodentia) 

 DEKKER.R. A. F. M.Sc. - Hubrecht Lab. (Intern. Embryol. Inst.), Uppsalalaan 1, Universiteits- 



centrum 'De Uithof . UTRECHT, Netherlands 

 a Transmission and scanning electron microscopy and experimental study of the closure of the 



neural tube. Xenopus laevis (Anura) 

 DELARUE, M. M.Sc. - Lab. d'Embryol., Univ. Paris VI, 4 place Jussieu, 75230 PARIS Cedex 05, 



France 

 a Nuclear transplantation. Bufo bufo, B. calamita, B. viridis, B. regularis (Anura) 

 DELATTRE, J. P. - Lab. of Periodontol. Res., Dent. Fac, Rennes I Univ., 2 place Pasteur, 35000 



RENNES, France 

 a Developmental histology of submaxillary glands. Oryctolagus cuniculus (Lagomorpha) 

 DE LEO, G. Dr.nat.sci. - 1st. di Zool., Univ. di Palermo, Via Archirafi 18, 90123 PALERMO, Italy 

 a Embryonic development. Sepiola rondeletii (Cephalopoda) 

 b Ultrastructure of eggs. Sabellaria spec, Hydroides norvegica (Polychaeta), Bolina spec. 



(Ctenophora) 

 c Ultrastructure of the oocyte. Amphioxus lanceolatus (Cephalochorda) 



26 



