Cro-Dcn 



CROWELL. P. S. — Dcpt of Zool. Indiana Univ.. BLOOMINGTON. Ind.. 



U.S.A. 

 CSAPO. A. I. M.D. — Dept of Embryol., Carnegie Inst, of Washington. 



Wolfe and Madison Sts. BALTIMORE 5. Md. U.S.A. 

 CURTIS. A. S. G. B.A. — Dept of Anat.. Univ. Coll. London. LONDON 



W.C. 1. England 



a. Surface properties, movement and adhesion of embryonic cells and can- 

 cerous tissues. (Amphibia. Aves) 



b. Dissociation and reaggregation of embryos. (Amphibia, Aves) 

 CURY. G. — Lab. d'HistoL Dep. d'Embryol., Fac. de Med.. 31 Rue Lionnois, 



NANCY (Meurthe & Moselle). France 

 a. Regulation de I'oeuf. (Amphibia) 



DAINTY, J. M.A. — Biophysics Unit, Univ. of Edinburgh, King's Build- 

 ings. West Mains Rd, EDINBURGH 9. Scotland 

 (no embryological work in progress) 



DALCQ. A. M. M.D.. F.I. I.E.. Prof. — Lab. d'Anat. et d'Embryol.. Fac. de 

 Med., de rUniv.. 97 Rue aux Laines, BRUXELLES, Belgique 

 a. Cytochemistry of early stages of development. (Ascidiae, Mammalia) 



DALTON, H. C. Ph.D. — Dept of Zool., New York Univ., NEW YORK. 

 N.Y.. U.S.A. 



DAMAS, H. F. C. Dr Sc Agr.Zool., M.I. I.E.. Prof. — Dept Morphol. des 

 Chordes, Inst, de Zool. Ed. Van Beneden, Fac. des Sci., 22 Quai Ed. 

 Van Beneden, LIfiGE, Belgique 

 a. Etude descriptive et comparative du developpement. Petromyzon mari- 

 nus, Lampetra fluviatilis, L. planeri (Cyclostomata) 



D'AMELIO, V. Ph.D. — 1st. di Anat. Comp., Via Archirafi 18. PALER- 

 MO. Italia 

 a. Biochemical activities of the presumptive territories of the young gastrula. 

 Discoglossus pictus (Antira) 



DAN, Mrs J. C. Ph.D. — Embryol. Section. Dept of Biol.. Fac. of Sci.. 

 Tokyo Metropolitan Univ.. Sctagaya-ku, TOKYO, Japan 



a. Electron-microscope observation of spermatozoa under various experi- 

 mental conditions. (Echinodermata, Mollusca. Annelida) 



b. Study of egg-membrane lysin of spermatozoa. (Mollusca) 



DAN. Mrs J. C. Ph.D. — Embryol. Section. Dept of Biol.. Fac. of Sci., 

 Tokyo Metropolitan Univ., Setagaya-ku, TOKYO, Japan 

 a. Mitotic spindle isolation and analysis. (Echinoidea) 

 h. Formation of mitotic apparatus and SH-proteins. (Echinoidea) 



c. Mechanism of polar body formation. (Mollusca) 



D'ANCONA, U. Dr Nat.Sci.. M.I. I.E., Prof. — 1st. di Zool. e Anat. comp.. 

 Fac. di Sci., Via Loredan 10, PADOVA, Italia 

 a. Differentiation of the gonad. (Vertebrata. esp. Pisces) 

 h. Embryology. (Teleostei, Ganoidea, Amphibia) 

 DANKMEIJER, J. Med.Dr, Prof. — Anat.-Embryol. Lab. of the Univ. of 

 Leyden, Fac. of Med., Wassenaarseweg, Boerhaavekwartier, LEIDEN, 

 Holland 



a. Normal and abnormal development of the heart. Homo sapiens and other 

 Animalia (in collaboration with J. A. LOS) 



b. Development of thyroid gland and teeth (investigations with radioactive 

 isotopes) (in collaboration with P. J. BROUWER). 



c. Development of uterus. Homo sapiens (Primates) 



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