a. Changes in mitochondria during development. (Amphibia) 



b. Enzyme development in the central nervous system. (Amphibia, Aves) 



c. Functional differentiation of respiratory structures. (Amphibia) 



BON W. F. M.Sc. — Anat.-Embryol. Inst., Municipal Univ. of Amster- 

 dam. Mauritskade 61, AMSTERDAM O, Holland 



BONDI, C. Dott., Prof. — 1st. di Biol, gen., Fac. di Med.. S. Pietro. PERU- 

 GIA. Italia 



a. Rigenerazione. Planaria lugubris (Turbellaria) 



b. Ricerche sulla tossicita. Bufo spec. Rana spec. Triton spec. (Amphibia) 

 c Trapianti xenoplastici e differenziazione. Triton spec. Rana spec (Am- 

 phibia) 



d. Tossicita ed anticorpi. Dugesia lugubris (Turbellaria), Bufo spec. 

 (Anura) 



BONICHON, Miss A. — Lab. de Physiol. Gener., 30. Rue Sainte-Catherine, 



NANCY, France 

 a. Recherches experimentales sur le developpement cytochimique des lobes 



optiques. Gallus domesticus (Aves) (en collaboration avec J. F. 



GAYET) 

 BONIN. W. B.A., M.D., Prof. — Dept d'Histol. et d'Embryol.. Fac. de 



Med. Univ. de Montreal, 2900 Boulevard du Mont-Royal. MON- 

 TREAL, Canada 



(no embryological work in progress) 

 BONNER J. T. Ph.D. — Dept of Biol., Princeton Univ.. PRINCETON, 



N.J.. U.S.A. 



a. Problems of morphogenetic movements and differentiation. Dictyostelium 

 discoideum (Acrasiales) 



b. Morphogenesis. (Basidiomycetes) 



BONS. J. Lie es Sci. — Lab. de Biol. Anim.. Centre d'Etudes Sup. Sci., 



Avenue Biarnay, RABAT, Maroc 

 a. Developpement experimental du rein. (Reptilia) 

 BOOKHOUT. C. G. A.B.. M.A., Ph.D.. Prof. — Dept of Zool. Duke 



Univ.. DURHAM, N.C.. U.S.A. 



a. The development from the egg to the sixty-day stage. Egg deposition, 

 culture methods, day to day observations and records of living larvae 

 and juveniles, study of fixed and sectioned material. Marphysa regalis 

 (Polychaeta) 



b. Larval development and the effect of variations in temperature, salinity, 

 and diet on molting frequency and time of development. Balanus spp. 

 (Cirripedia, Crustacea) 



BORDEN. J. van der — Anat.-Embryol. Inst.. Municipal Univ. of Amster- 

 dam, Mauritskade 61. AMSTERDAM O, Holland 

 a. Experiments designed to test relations of some inhibitors of embryonic 

 development to the effect of X-rays. (Urodela, Rodentia) (in collabora- 

 tion with H. A. L. TRAMPUSCH) 

 BORGHESE, E. M.D.. Ph.D., M.I.I.E. — 1st. di Anat. umana normale, Via 

 Forlanini 8, PAVIA, Italia 

 a. Development of hemopoietic organs and gonads in the lethal homozygous 

 form of the mutation W. Mus musculus (Rodentia) 

 BOSCHWITZ, Miss B. D. M.Sc. — Dept of Zool., Hebrew Univ.. JERU- 

 SALEM. Israel 

 a. The ultimobranchial body. (Anura) 



17 



