Dat 25 Den 



DATKOWNA, H. Dr — Zaklad Anat. Porownawczej U.J. im. H. Hoyera, 



KRAKOW, sw. Anny 6, Poland, 

 a. Osmotic pressure and fish embryos. Salmo trutta (Pisces) 

 DAVIDSON, Miss P. B.Sc. — Commonwealth Sci. and Ind. Res. Org., 



McMaster Anim. Health Lab., Parramatta Rd, GLEBE, N.S.W., 



Australia. (Guest-worker from C.S.I.R.O., Wool Biol. Lab., 17 Randle 



St, SYDNEY, N.S.W.) 



a. Development of vibrissa follicles. Mouse (Mammals) (in collaboration 

 with Miss M. H. HARDY) 



b. Relation of dermis to epidermis in differentiation of skin and hairs by 

 in vivo and in vitro techniques. Mouse (Mammals) (in colla- 

 boration with Miss M. H. HARDY) 



c. Differentiation of feather follicles in tissue culture. Chick (Aves) 

 DAVIES, D. H. M.Sc. — Div. of Fisheries, Beach Rd, Seapoint, CAPE 



TOWN, S. Africa, 

 a. The development of the South African Stockfish, Merluccius capensis. 

 (Teleostei) 

 DAVIES, F. M.D., D.Sc, Prof. — Dept of Anat., Fac. of Med., Univ. 

 of Sheffield, SHEFFIELD, England, 

 a. The development and histogenesis of the conducting system of the mam- 

 malian heart. Sheep (in coll. with E. T. B. FRANCIS, Dept of Zool.) 

 DAVIES, H. G. B.Sc. — M.R.C. Biophysics Res. Unit, King's Coll., Strand, 

 LONDON W.C. 2, England. 

 a. Ultra-violet studies of cells growing in tissue culture. (Aves and Mam- 

 malia) (in collaboration with P. M. B. WALKER) 

 DAWSON, A. B. A.B., Ph.D., D.Sc, Prof. — Biol. Lab's, Harvard Univ., 

 Divinity Ave, CAMBRIDGE 38, Mass., U.S.A. 

 a. Histochemical evidence of early differentiation of the suprarenal gland 

 of the chicken. Gallus domesticus (Aves) 

 DEKKER, Miss A. Med.Dra — Anat.-Embryol. Lab. of the Univ. of Leyden, 

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

 a. Development of uterus and ovary in man. (Mammalia) (in collaboration 

 with J. DANKMEIJER) 

 DELANNEY, L. E. Dr, Prof. — Dept of Biol., Univ. of Notre Dame, 

 NOTRE DAME, Ind., U.S.A. (no data received) 



DELSOL, M. Lie. es Sc. — Lab. de Biol. anim. (P.C.B. section II), Fac. 

 des Sci., Univ. de Paris, 12, Rue Cuvier, PARIS Ve, France, 

 a. fitude de Taction des antithyroidiens (thiouracil etc.) au de la vie 

 larvaire et de la metamorphose des Batraciens. Discoglossus pictus 

 DEMETRY, J. M.S. — Univ. of Colorado, Med. Center. Dept of Pediatrics, 

 4200 east Ninth Ave, DENVER 7. Col., U.S.A. 

 a. The metabolic maturation of the liver. The capacity to synthesize 

 creatine from glycocyamine and methyl donors is tested with livers 

 from guinea pig feti of different intrauterine ages. (Mammals) (in 

 collaboration with S. COHEN) 

 DENT, J. N. A.B., Ph.D., Assoc. Prof. — Miller School of Biol., Univ. 

 of Virginia, CHARLOTTESVILLE, Va, U.S.A. 



a. Effects of innervation on polarity-reversal of regenerating limbs. Triturus 

 viridescens (Amphibia) 



b. Uptake of inorganic iodine in metamorphosing amphibians and effects 

 thereof. Rana pipiens 



