c Synthesis and transformations of cellular membranes: nuclear membranes in Hela cells; 



endoplasmic reticulum in cement gland cells of embryo. Xenopus laevis (Anura) (with C. 



H. WADDINGTON and M. M. PERRY) 

 d Nature of involvement of nucleolus in virus induced Lucke tumour cells. Rana pipiens 



(Anura) 

 JACOB (LOES), Mrs. M. Dr.med. — Inst, fur Anat. der Ruhr-Univ. Bochum, Postfach 



2148, 463 BOCHUM, W.Germany 

 a Development of primitive streak and Hensen's node. Gallus domesticus (Aves) 

 JACOBS, R. M. Ph.D., Prof. — Dept. of Oral Biol., Coll. of Dent., Univ. of Iowa, IOWA 



CITY, Iowa 52240, U.S.A. 

 a Placental transmission of muscle relaxants and their teratogenic effects. Mus musculus 



(Rodentia) 

 b Composition of glycosaminoglycans in embryonic palate: micro assay and effects of 



teratogenic agents. Mus musculus (Rodentia) 

 JACOBS, W. P. Ph.D. — Dept. of Biol., Princeton Univ., PRINCETON, N.J. 08540, U.S.A. 

 a Experimental developmental morphology, using controlled environment chambers, electronic 



computer processing of data, and studies of hormonal effects on organ and cell differentia- 

 tion. Caulerpa prolifera (Siphonales, Algae), Coleus blumei (Labiatae), Xanthium 



pensylvanicum (Compositae) 

 JACOBSON, A. G. Ph.D., Prof. — Dept. of Zool., Univ. of Texas, AUSTIN, Tex. 78712, 



U.S.A. • 



a Induction and positioning of the nose, lens, and ear. Taricha torosa (Urodela) 

 b Factors controlling the segregation of the optic vesicle into pigmented retinal epithelium 



and sensory retina. Same species as a 

 c Characterization of the endodermal substance that induces heart development. Same species 



as a 

 d Experimental analysis and computer simulation of the shaping of the neural plate. Same 



species as a 

 e Ultrastructural and experimental analysis of early development. Drosophila montana (Dip- 



tera) 

 JACOBSON, D. C. O. Fil.Dr., Prof. — Zool. Inst., Univ. of Uppsala, Box 561, S-75122 



UPPSALA 1, Sweden • 



a Determination of the central nervous system. Ambystoma spec. (Urodela) 

 b Experiments on fiber pattern formation in the medulla oblongata. Same species as a 

 c The mechanism of neurulation. Ciona intestinalis (Ascidiacea), Ambystoma spec. (Uro- 

 dela), Gallus domesticus (Aves) 

 d Cytoplasmic control of DNA synthesis in neurons. Mus musculus ) Rodentia) 

 JACOBSON, M. Ph.D. — Dept. of Biophys., The Johns Hopkins Univ., BALTIMORE, 



Md. 21218, U.S.A. 

 JACOBSSON, A. Fil.lic. — Inst, of Zool., Univ. of Gothenburg, Fack, S-400 33 GOTHEN- 

 BURG 33, Sweden 

 a Ontogenesis of mesencephalic nuclei. Gallus domesticus (Aves) 

 JACQUES, Miss S. Y. B.A. — Dept. of Zool., Coll. of Sci., Univ. of W.Ontario, LONDON, 



Ont, Canada 

 JACQUOT, R. L. D.Sc, Prof. — Lab. de Physiol. Anim., Fac. des Sci., B.P. 347, 51 REIMS, 



France 

 a Pre- and postnatal changes in glucose and glycogen metabolism of the liver cell; eventually 



assays on isolated cultured hepatocytes; electron microscopy. Rattus norvegicus (Roden- 

 tia) (with C. PLAS) 

 b Hemopoietic function of the foetal liver; factors controlling its progressive disappearance. 



Rattus norvegicus (Rodentia) (with J. NAGEL) 

 c Endocrine function of the foetal pancreas; insulin blood levels in the foetus and in the 



mother. Rattus norvegicus (Rodentia) (with J. M. FELIX, B.C.J. SUTTER and Mrs. 



M. T. SUTTER) 

 JAFFE, L. F. Ph.D., Prof. — Dept. of Biol. Sci., Purdue Univ., LAFAYETTE, Ind. 47907, 



U.S.A. • 



a Transcellular developmental currents and proton fluxes through developing cells (vibrating 



probe detecting nanovolt differences). Fucus furcatus, Pelvetia fastigiata (Phaeophyta) 

 b Ionic changes during development (atomic absorption photometry, tracers, ion specific 



electrodes) . Same species as a 

 JAGERSTEN, K. G. M. Fil.Dr., Prof.(Emer.) — Zool. Inst., Univ. of Uppsala, Box 561, 



S-75122 UPPSALA 1, Sweden 

 a Larval development. (Pogonophora) 

 b Comparative study of larval development. (Invertebrata) 

 JALOUZOT, R. — Lab. de Biol. Cell., Fac. des Sci., B.P. 347, 51 REIMS, France 

 a Nucleic acids and protein metabolism during initiation of adventitious roots. Cicer arietinum 



(P apilionaceae) 

 b Stimulation of RNA synthesis and cellular activation. Same species as as 

 JAMES, B. L. Ph.D. — Dept. of Zool., Univ. Coll. of Swansea, Singleton Park., SWANSEA, 



Glamorgan, Wales, U.K. 



86 



