BERGER, J. D. Ph.D. — Dept. of Zool., Univ. of British Columbia, VANCOUVER 8, B.C., 



Canada 

 a Nuclear differentiation, RNA synthesis and gene expression. Paramaecium aurelia (Ciliata) 

 BERGERARD, J. Dr.es Sci., Prof. ~- Lab. de Zool., Centre d'Orsay, Univ. Paris-Sud 91 



ORSAY, France 

 a Effects of thermal stress on sexual differentiation. Carausius morosus (Phasmida) 

 b Effects of thermal stress and supernumerary chromosomes on development. Locusta migra- 



toria (Orthoptera) 

 BERGQUIST, H. Ph.D. — Inst, of Zool., Univ. of Gothenburg, Fack, S-400 33 GOTHEN- 

 BURG 33, Sweden . 

 a Electron microscopy of neural tube. Gallus domesticus (Aves) 

 b Experimental ontogenesis of the central nervous system. Same species as a 

 BERLYN, G. P. Ph.D., Prof. - Sch. of Forest., Yale Univ., 205 Prospect St., NEW HAVEN 



Conn. 06511, U.S.A. 

 BERNARD, C. Lic.es Sci., M.A. — Lab. de Physiol. Anim., Fac. des Sci., 40 av. du Recteur 



Pineau, 86 POITIERS, France 

 a Electrophysiology of the embryonic heart. Rattus norvegicus, Cavia porcellus (Rodentia) 

 BERNARD, F. Lic.es Sci. — Lab. de Zool., Inst, de Rech. Biol., Univ. Scient. et Med de 



Grenoble, Cedex 53, 38 GRENOBLE, France 

 a Histogenesis and morphogenesis of the digestive tract. (Teleostei) 

 BERNDORFER, A. Dr.med.habil. — Childrens Hosp. "Paul Heim", Dept. for Congenital 



Malformations, Olloi ut 86, BUDAPEST VIII, Hungary ^- Private address: Benczur utca 



39/a, BUDAPEST VI, Hungary 

 a Clinical embryopathology. 



b Intrauterine regenerations of congenital malformations, 

 c Biological study of malformations, 

 d Etiology of malformations from clinical viewpoints. 

 BERNFIELD, M. R. M.D., Prof. ~ Dept. of Pediat, Stanford Univ., 300 Pasteur Drive, 



STANFORD, Calif. 94305, U.S.A. 

 a Embryonic epithelia: synthesis of macromolecules (collagen, mucopolysaccharide, RNA, 



enzymes) during inductive interactions in vitro. Mus musculus (Rodentia) 

 b Morphogenetic role of extracellular materials (collagen, mucopolysaccharide) during in 



vitro development of salivary submandibular epithelia. Same species as a 

 c Translation level controls (tRNA, ribosomes) during embryonic and hormonal-induced 



development. Gallus domesticus (Aves) 

 BERNS, M. W. Ph.D. ~ Dept. of Zool., Univ. of Michigan, ANN ARBOR, Mich. 48104, 



U.S.A. 

 a Intercellular communication in embryonic and adult heart cells in tissue culture: 



mitochondria are altered by laser microbeam and functional cell responses are studied. 



Rattus spec. (Rodentia) 

 BERREUR (BONNENFANT) , Mrs. J. Dr.es Sci. ~ Lab. de Genet. Evol. et de Biomet., 



C.N.R.S., 91 GIF-sur-YVETTE, France 

 BERRILL, N. J. Ph.D. — 410 Swarthmore Ave., SWARTHMORE, Pa. 19081, U.S.A. • 

 a Regeneration; metamorphosis; asexual reproduction (histogenesis). Campanularia [lexuosa, 



Obelia geniculata (Campanulacidae, Hydrozoa), Branchiomma (— Dasychone) nigroma- 



culata, Sabella melanostigma (Sabellidae, Polychaeta) 

 BERRY, M. Ph.D. — Dept. of Anat., Med. School, Univ. of Birmingham, Edgbaston, 



BIRMINGHAM B15 2TJ, England 

 a Effects of X-irradiation on central nervous development. Rattus spec. (Rodentia) 

 b Development of cerebral and cerebellar cortex. Rattus spec. (Rodentia) 

 BERRY, S. J. Ph.D. — Dept. of Biol., Wesleyan Univ., MIDDLETOWN, Conn. 06457, 



U.S.A. 

 a Nucleic acid metabolism during differentiation (ultracentrifugation, gradient centrifugation, 



autoradiography, chromatography). Hyalophora cecvopia (Lepidoptera) 

 b Endocrine control of differentiation (light and electron microscopy, autoradiography, organ 



culture) . (Saturniidae, Lepidoptera) 

 c RNA synthesis during oogenesis (autoradiography, electron microscopy, gradient centri- 

 fugation) . Various spp. (Lepidoptera) 

 d Protein synthesis in specialized organs (autoradiography, electron microscopy, gradient 



centrifugation) . Hyalophora cecvopia (Lepidoptera) 

 BERTALANFFY, F. D. Ph.D., Prof. ~~ Dept. of Anat., Univ. of Manitoba, 750 Bannatyne 



Ave., WINNIPEG 3, Man., Canada 

 a Rates of cell division of neoplastic populations. Rattus rattus, Mus musculus (Rodentia) 

 b Mitotic rates of regenerating liver parenchyma. Rattus rattus (Rodentia) 

 c Cell renewal and cytodynamics of normal cell populations. Rattus rattus (Rodentia) 

 d Effects of cytosine arabinoside on cell development and proliferation. Rattus rattus (Ro' 



dentia) 

 BERTMAR, G. Ph.D. — Sect, of Ecol. Zool., Dept. of Biol., Univ. of Umea, 90187 UMEA, 



Sweden 

 a Experimental developmental morphology of the olfactory organ. Salmo spec. (Teleostei) 



19 



