Blackler-Bos 



a. Transplantation of germ-cells using a cytological "marker". Xenopus 

 laevis (Anura) 



b. Transplantation of germ-cell nuclei into enucleated eggs. Xenopus laevis 

 (Anura) 



BLECHSCHMIDT, E. Dr.Med., Prof. — Anat. Inst, der Univ., Burgstr. 



51, GoTTINGEN, Deutschland 

 a. Elektronenmikroskopische Untersuchungen am Nervensystem. Gallus 



spec. (Aves) 

 BLOUNT, R. F. B.A., M.S., Ph.D., Prof. — Dept. of Anat., Med. Branch, 



Univ. of Texas, GALVESTON, Tex., U.S.A. 

 BLUNTSCHLI, H. Dr., F.I.I.E., Prof. (Emer.)— Anat. Inst., Buhlstr. 26, 



BERN, Schweiz 



(no embryological work in progress) 

 BODEMER, C. W. B.A., M.A., Ph.D. — Dept. of Anat, School of Med., 



Univ. of Washington, SEATTLE 5, Wash., U.S.A. 

 BODENSTEIN, D. Ph.D., M.I.I.E. — Nat. Insts. of Health, Gerontol. 



Branch Baltimore, City Hospitals, BALTIMORE 24, Md., U.S.A. 



a. Nerve regeneration. Periplaneta americana (Orthoptera) 



b. The role of the corpus allatum hormone in the maturation of eggs. Culex 

 spec. (Diptera) 



c. Intergeneric grafts of organ discs. (Diptera) 



d. The role of the prothoracic gland in postembryonic development. Peri- 

 planeta americana (Orthoptera) 



BODIN. N.-O. Fil.kand. — Inst, of Zoophysiol., Univ. of Uppsala, UPP- 

 SALA, Sweden 

 a. The mechanism of agglutination of spermatozoa. (Mammalia) (in colla- 

 boration with P. E. LINDAHL, R. BRATTSAND, E. NORDLING, 

 L.-O. THUNQVIST and G.-UHLIN) 



BOELL, E. J. Ph.D., M.A., D.Sc, M.I.I.E. — Osborn Zool. Lab., Yale 

 Univ., NEW HAVEN 11, Conn., U.S.A. 



a. Changes in mitochondria during development. (Amphibia) 



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



c. Functional differentiation of respiratory structures. (Amphibia) 



d. Ion uptake by the larval gills. Ambystoma punctatum (Urodela) 

 BOERSMA, W. Med. Drs. — Anat.-Embryol. Lab., State Univ., Janskerk- 



hof 3, UTRECHT, Holland 

 a. The induction of the primitive streak. Anas boschas (Khaki Campbell) 

 (Aves) 



BOK, S. T. Dr., Prof. — Netherlands Central Inst, for Brain Research, 

 Mauritskade 59B, AMSTERDAM O., Holland 



BOLOGNARI, A. — 1st. di Zool., Univ. di Messina, MESSINA, Italia 

 a. Ricerche sull'ovogenesi. Particolari osservazioni sul nucleolo mediante 

 il microscopio ottico ed elettronico. Haliotis lamellosa, Aplysia depilans. 

 Patella coerulea (Gastropoda), Mytilus galloprovincialis (Lamelli- 

 branchia) 



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

 GIA, Italia 



a. Rigenerazione. Planaria lugubris (Turbellaria) 



b. Trapianti xenoplastici e differenziazione. Triturus spec, Rana spec. (Am- 

 phibia) 



c. Morfogenesi dell'intestino. Bufo spec, Rana spec. (Anura) 



18 



