BLOCK, M. H. Ph.D.. M.D.. Prof. — Div. of Hematol., Univ. of Colorado, Med. Center. 



4200 E. 9th Ave., DENVER, Colo. 80220, U.S.A. 

 a The effect of total body radiation upon development, especially bloodforming tissues. 



Didclphys virginiana (Marsupialia) 

 BLOM, E. Dr.med.vet. — State Veter. Serum Lab., Bulowsvej 27. 1870 COPENHAGEN V. 



Denmark 

 a Studies on pathological conditions in the testis, epididymis and accessory sex glands. Bos 



taurus (Arfiodactyla) 

 b The ultrastructure of normal and pathological sperm. Bos taurus (Arfiodactyla) (in collab- 

 oration with A. BIRCH-ANDERSEN, State Serum Inst.) 

 BLONDELET. J. Dr.en Med. — Lab. d'Embryol., Fac. de Med.. Univ. de Nancy, 31 rue 



Lionnois, 54 NANCY. France 

 BLONDHEIM, Mrs. S. A. M.Sc. — Dept. of Entomol. and Venomous Anim., The Hebrew 



Univ., JERUSALEM, Israel 

 BLOOM, S. E. Ph.D. — Dept. of Poultry Sci., New York State Coll. of Agric. at Cornell 



Univ., 210 Rice Hall, ITHACA, N.Y. 14850, U.S.A. 

 a Cytochemistry of binucleated red blood cells in embryos and adults. Meleagris gallopavo 



(Aves) 

 b Study of chromosomal anomalies in embryos. Gallus domesticus, Meleagris gallopavo 



(Aves) 

 c Cytology of mitotic mutants as related to age and sex. Meleagris gallopavo (Aves) 

 d Development of trisomic, triploid, and haploid embryos. Gallus domesticus (Aves) 

 BLOUNT. R. F. Ph.D.. Prof. — Dept. of Anat.. Med. Branch, Univ. of Texas, GALVE- 

 STON. Tex. 77550, U.S.A. 

 a Morphological changes in kidney during development and changes with age. Mus musculus 



(Rodentia) 

 BLUEMINK, J. G. Ph.D. — Hubrecht Lab. (Internat. Embryol. Inst.), Uppsalalaan 1. Uni- 



versiteitscentrum "De Uithof", UTRECHT, Netherlands 

 a Electron microscopic investigation of cytokinesis during the first cleavage cycle. Am- 



bystoma mexicanum (Urodela) (in collaboration with P. D. NIEUWKOOP) 

 b Electron microscopic investigation of cell-to-cell junctions in embryos between first cleavage 



and late neurula stage. Amby stoma mexicanum (Urodela) , Xenopus laevis (Anura) 

 c Subcellular aspects of functional differentiation in the parotid gland. Rattus rattus (Rodentia) 

 BLUNT, M. H. Ph.D. — Dept. of Agric. Biol., Univ. of New England, ARMIDALE. N.S.W. 



2351, Austraha 

 a Development of haemoglobins in the embryo. (Caprinae, Arfiodactyla) 

 BLUNT, M. J. Ph.D., Prof. — School of Anat.. Univ. of New South Wales, P.O. Box 1. 



KENSINGTON, N.S.W. 2033. Australia 

 a Myelination in developing optic nerve. Felis domesticus (Carnivora) 

 b Development and function of neuroglia in optic nerve. Felis domesticus (Carnivora) 

 BLUZAT, R. R. Dr.3erae cycle — Lab. de Zool., Fac. des Sci., Univ. de Paris, 91 ORSAY. 



France 

 a Experimental study with ionizing radiations of development of the gonads. Leptinotarsa 



decemlineata (Coleoptera) 

 b Structure and ultrastructure of germinal determinant in the egg. Leptinotarsa decemlineata 



(Coleoptera) 

 c Experimental study with ionizing radiations in early embryogenesis. Leptinotarsa decem- 



lineata (Coleoptera) 

 BOCKSTAHLER. L. Ph.D. — Arbeitsgr. Biochem. Embryol., Max-Planck-Inst. fur Zellbiol., 



Abt. Bauer, Melanchthonstr. 36, D 7400 TUBINGEN, W.Germany 

 a Molecular biology of embryo. Paracentrotus lividus (Echinoidea) 

 BOCZKOWSKA. Mrs. J. B.Sc. — Dept. of Histol. and Embryol.. Acad, of Med.. ul.Naru- 



towicza 60, E6D2, Poland 

 a Histochemical studies on distribution and activity of acid phosphatase and beta-glucuronidase 



in the lung and the liver during embryogenesis. Xenopus laevis (Anura), Rattus norvegicus, 



Cavia cobaya (Rodentia) 

 BODELET. B. — Lab. d'Embryol.. Fac. de Med., Univ. de Nancy, 31 rue Lionnois, 54 



NANCY. France 

 BODEMER. C. W. Ph.D. — School of Med., Univ. of Washington, SEATTLE. Wash. 



98105. U.S.A. 

 a Electrophysiology of developing nervous system. Didelphys virginiana (Marsupialia) 

 BODENSTEIN. D. Ph.D., Prof. — Dept. of Biol.. Univ. of Virginia, Gilmer Hall. CHAR- 

 LOTTESVILLE. Va. 22903. U.S.A. • 

 a Intergeneric grafts of organ discs. (Diptera) 

 b The role of the prothoracic gland in postembryonic development. Periplaneta americana 



(Dictyopfera) 

 BODMAN, Sister M. C. Ph.D., Prof. — Dept. of Oral Pathol.. School of Dent., Loyola 

 Univ., 1757 W.Harrison St.. CHICAGO. 111. 60612, U.S.A. 



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