Brien-Biiy 



c. Formation et signification des ecailles. (Osteopterygii) 



d. Embryogenese. Protopterus dolloi (Dipnoi) 



BRIGGS, R. W. Ph.D., F.I.I.E., Prof. — Dept. of Zool., Indiana Univ., 



BLOOMINGTON, Ind., U.S.A. 

 a. Studies on nuclear differentiation in embryos. Rana pipiens (Anura) 



(in collaboration with Th. J. KING, Philadelphia, Pa.) 

 fBROEK, A. J. P. v. d. F.I.I.E., Prof. (Emer.) — Biltstraat 109, 



UTRECHT, Netherlands 



(deceased) 

 BR0NDSTED, H. V. Dr.Phil., F.I.I. E., Prof. — Inst, for Aim. Zool., Uni- 



versitetsparken 3, COPENHAGEN 0, Denmark 

 BROOKBANK, J. W. B.A., M.S., Ph.D. — Dept. of Biol., Univ. of Florida, 



GAINESVILLE, Florida, U.S.A. 

 BROOKES, M. M.A., B.M., B.Ch.— Dept. of Anat., Univ. of Liverpool, 



LIVERPOOL 3, England 

 a. Development of vascular organisation in foetal bone. (Mammalia) 

 BROUWER, P. J. Med.Drs. — Anat.-Embryol. Lab., Fac. of Med., State 



Univ., Wassenaarseweg, Boerhaavekwartier, LEIDEN, Netherlands 

 a. Development of thyroid gland and teeth (investigations with radio- 

 active isotopes), (in collaboration with J. DANKMEIJER) 

 BROWN, D. D. M.D., M.S. (Biochem.) — Dept. of Embryol., Carnegie 



Inst, of Washington, 115 W. University Parkway, BALTIMORE 10, 



Md., U.S.A. 

 a. Mechanisms of regulation of enzyme-forming systems in the early 



embryo. Rana pipiens (Anura) 

 BROWN, J. W. A.B., M.A., Ph.D. — Dept. of Anat., School of Med., 



Univ. of Missouri, COLUMBIA, Mo., U.S.A. 



a. Development of the nucleus of the spinal tract of trigeminal nerve. Homo 

 sapiens (Primates) 



b. Development of the chief sensory nucleus of the trigeminal nerve. Homo 

 sapiens (Primates) 



BRUMBAUGH, J. A. B.S. — Dept. of Genetics, Iowa State Univ., AMES, 

 Iowa, U.S.A. 

 a. Analysis of action of color-pattern genes. Gallus gallus (Aves) 

 BRUN, J. L. — Lab. de Zool. exper., Fac. des Sci., 16 Quai CI. Bernard, 

 LYON, France 

 a. Adaptation aux temperatures elevees. Caenorhabditis elegans (Nema- 

 toda) 

 BRUNST, V. V. Dr.Biol. — Roswell Park Memorial Inst., 666 Elm St., 

 BUFFALO 3, N.Y., U.S.A. 



a. Experimental embryology. Siredon mexicanum (Urodela) 



b. Regeneration. Siredon mexicanum (Urodela) 



BRYAN, J. H. D. B.Sc, M.A., Ph.D. — Dept. of Zool. and Entomol., Coll. 

 of Agriculture, 360 Science Building, Iowa State Univ., AMES, Iowa, 

 U.S.A. 



a. Cytochemical studies of gamete formation. Mus musculus (Rodentia) 



b. Cytochemical studies of X-ray effects on mitosis and meiosis. Mus mus- 

 culus (Rodentia) 



c. Nucleic acid-protein ratios during growth and differentiation. Mus mus- 

 culus (Rodentia) 



d. Development of nuclear staining suitable for electron microscopy. 



24 



