a Effect of nerve growth factor on early development. Gallus domesticus (Aves) 



BLACK, R. E. Ph.D., Prof. — Dept. of Biol., Coll. of William and Mary, WILLIAMSBURG, 



Va. 23185, U.S.A. • 



a Tracer studies of metabolic pathways in embryos. Chrysaora quinquecirrha (Scyphozoa), 



Arbacia punctulata (Echinoidea) 

 b Development of enzymes in embryos. Same species as a 

 BLACKLER, A. W. Ph.D., Prof. — Sect, of Genet., Developm., and Physiol., Div. of Biol. 



Sci., Emerson Hall, ITHACA, N.Y. 14850, U.S.A. • 



a Nucleolar repression and gametogenesis in natural and "transmission" (via germ cell 



grafts) hybrids. Xenopus mulled, X. laevis (Anuca) 

 BLAKE, J. A. Ph.D. — Pacific Marine Station, Univ. of the Pacific, DILLON BEACH, 



Calif. 94929, U.S.A. 

 a Reproduction and larval development under laboratory conditions from egg through 



metamorphosis. Anaitides williamsi, Polydora spec, nov., Boccardia columbiana, Pseudo- 



polydora kempi, P. paucibranchiata (Polychaeta) , Ceratostoma foliatum (Prosobranchi- 



ata), Cadlina limbaughi, Acanthodoris spec, Triopha carpenteri, Coryphella trilineata 



(Opisthobranchiata, Gastropoda) , Paguvus setosus (Decapoda, Crustacea) 

 BLANCHET, J. P. Dr.Spec. — Sect, de Biol. Gener. et Appl., Univ. de Lyon I, 43 Bd. du 



11 Novembre 1918, 69 VILLEURBANNE, France 

 a Evolution des deshydrogenases lactiques au cours de l'erythropoiese embryonnaire. Gallus 



domesticus (Aves) 

 BLECHSCHMIDT, E. Dr.med., o.o.Prof. ~ Anat. Inst, der Univ., Kreuzbergring 36, 34 GOT- 



TINGEN, W.Germany 

 a Ultrastruktur von Embryonen. Homo sapiens (Primates) 

 BLOCH, D. P. Ph.D., Prof. — Bot. Dept. and Cell Research Inst., Univ. of Texas, AUSTIN, 



Tex. 78712, U.S.A. • 



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



Denmark 

 a Pathological conditions in the testis, epididymis and accessory sex glands. Bos taurus 



( Attiodactyla) 

 b The ultrastructure of normal and pathological sperm. Bos taurus (Artiodactyla) (with A. 



BIRCH-ANDERSEN, State Serum Inst.) 

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



Univ., JERUSALEM, Israel 

 a Percentage hatch and viability of hybrid embryos. Acvotylus insubcicus x A. patrucki, 



Dociostauvus genei x D. curvicercus (Acrididae, Otthoptera) 

 BLOOM, S. E. Ph.D. — Dept. of Poultry Sci., N.Y.State Coll. of Agric. at Cornell Univ., 210 



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

 a The morphology, cytology and etiology of haploid, triploid, trisomic, and tetraploid em- 

 bryos, especially determination if production of chromosomal abnormalities is under genetic 



control. Gallus domesticus (Aves) 

 b Cytology, development, and reproductive performance of mitotic mutants, especially the 



effects of age and sex on the development of binucleated erythrocytes. Meleagris gallopavo 



(Aves) 

 BLOSS (JABLONOWSKI), Mrs. W. Dr.med. — Abt. fur Neuroanat., Anat. Inst, der Univ., 



Martinistr. 52, 2 HAMBURG 20, W.Germany 

 a The differentiation of cortical layers (autoradiography). (Mammalia) 

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



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 microscopy and electron physiology of the effect of cytochalasin B on the 



mechanism of first cleavage. Xenopus laevis (Anuva) (with S. W. de LAAT) 

 b Electron microscopy and experimental study of cell-to-cell junction formation and cell 



aggregation between median superficial neuroectoderm cells during the closure of the 



neural tube. Xenopus laevis, Ambystoma mexicanum (Amphibia) 

 c Subcellular aspects of functional differentiation in the parotid gland. Rattus rattus (Roden- 

 tia) 

 d The origin of the dorso-ventral polarity of the egg (electron microscopy). (Amphibia) 



(with P. D. NIEUWKOOP) 

 BLUNT, M. H. Ph.D., M.R.CV.S. ~ Dept. of Med. Research, Veterans Adm. Hosp., 



AUGUSTA, Ga. 30904, U.S.A. 

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

 BLUNT, M. J. Ph.D., Prof. ~ Sch. of Anat., Univ. of N.South Wales, P.O.Box 1, KENSING- 

 TON, N.S.W. 2033, Australia 

 BLUZAT, R. R. Dr.3eme cycle — Lab. de Zool., Centre d'Orsay, Univ. Paris-Sud, 91 ORSAY, 



France 



22 



