b. Histochemical studies on abnormal trophoblast with special reference 

 to hvdatidiform mole and chorionepithelioma. Homo (Primates) (in col- 

 laboration with D. G. McKAY, A. T. HERTIG. W. BARDAWIL and 

 Miss E. C. ADAMS) ^ , , ^ n ^ 



BENOIT, J. Dr en Med., Dr es Sci., Prof. — Lab. d Histophysiol., Coll. de 

 France, Place Marcelin Berthelot, PARIS Ve, France 



BENOIT J. A. A. — Lab. de Zool.. Inst, de Zool. et de Biol, gen., Fac. des 

 Sci..' 12 Rue de I'Universite, STRASBOURG, France 

 a. Etude experimentale de la morphogenese de la capsule otique. 5a/mo 

 (Teleostei), Gallus (Aves) 



BENZ, G. — Zool.-vergl. Anat. Inst., Naturw. Fak., Univ. Ziirich, Kunstler- 

 gksse 16, ZURICH 6, Schweiz 

 a. Developmental physiology and biochemistry of lethal mutants. Droso- 

 phil spec. (Dipt era) 



BER, A. Dr, Prof. — Dept. of Endocrinol., Fac. of Med., Acad, of Lodz, 

 'Nowotki 137, L6DZ, Poland 

 (no embryological work in progress) 



BERG G G. Ph.D. — Physiol. Section, Atomic Energy Proj., School of 

 Med., Univ. of Rochester, P.O.Box 287. Sta. 3, ROCHESTER 20, N.Y.. 

 U.S.A. 

 a. Histochemical studies of development: substrate specificity and enzyme 

 inactivation of inorganic meta- and polyphosphatases. Rana, Mus (Ver- 

 tebrata) 



BERG, W. E. A.B., M.S., Ph.D., Prof. — Dept of Zool., Univ. of Calif.. 

 BERKELEY 4. Cal., U.S.A. 

 a. Physiological studies of mosaic development. Metabolic and chemical 

 characteristics of early cleavage blastomeres. Mijtilus edulis (Lamelli- 

 branchia), Ilyanassa obsoleta (Gastropoda), Styela montereyensis 

 (Ascidiae) 



BERGEIJK, W. A. van M.S. — Dept of Zool., State Univ. of Iowa. IOWA 

 CITY. Iowa, U.S.A. 

 a. Physiology of the ear during larval, metamorphic and adult stages. (Am- 

 phibia) 



BERGQUIST, H. Ph.D. — c/o Inst, of Anat., Fac. of Med.. Univ. of 

 Gothenburg. GoTEBORG. Sweden 



a. Experimental investigations on the neural tube. (Vertebrata) 



b. Ultramicroscopical investigations on the integument. Homarus vulgaris 

 (Crustacea) 



BERNSTEIN. G. S. B.A., M.A.. Ph.D. — Dept. of Embryol.. Div. of Biol., 

 Cahf. Inst, of Technol.. PASADENA 4, Cal., U.S.A. 



a. Physiology of fertilization. (Amphibia) 



b. Life-span, motility and metabolism of spermatozoa. (Echinodermata and 

 Amphibia) 



BERRILL, N. J. Ph.D., D.Sc, ProL — Dept of Zool., McGill Univ.. MON- 

 TREAL. Quebec, Canada 



BERTMAR, G. Fil.mag. — Zootom. Inst., Univ. of Stockholm. 116 Drott- 

 ninggatan, STOCKHOLM, Sweden 

 a. Development and morphology of the skeleton of the head. (Characidae, 

 Teleostei) 



BIELAnSKA— OSUCHOWSKA. Mrs Z. Mag. of Sci. — Inst, of Histol. 

 and Embryol.. Veter. Fac, ul. Grochowska 272, WARSZAWA. Poland 



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