c Regulation of yolk proteins, enzymes, salivary gland secretion proteins, and hemoglobins during 



metamorphosis. (Crustacea; Insecta) 

 d Hemoglobin synthesis (cytological hybridization). Same species as a 



LaVAIL, J. H.; Ph.D. - Dept. of Anat., Univ. of CaUfornia, SAN FRANCISCO, CA 94143, USA 

 a The retrograde movement of proteins in neurons of the visual system. Callus domesticus (Aves) 

 b The effect of genetically determined pigmentation on the projections of retinal ganglion cells. 



Mus musculus (Rodentia) 

 LAVARACK, J. O.; Ph.D. - School of Anat., Univ. of Melbourne, PARKVILLE, Vict. 3052, Austra- 

 lia 

 a Histochemistry of cell interactions in the development of primary tissues. Callus gallus (Aves) 

 b Locomotion of embryonic cells in culture. Same species as a 

 LaVELLE, A.; Ph.D., Prof. - Dept. of Anat., Univ. of IlUnois, P.O. Box 6998, CHICAGO, IL 60680, 



usa' 



a Developmental cytology of the neuron, normally and alter experimental alterations (axotomy, 

 drug treatment, antibrain scrum); changes in the nucleolar apparatus and in Nissl substance. 

 Mesocricetus auratus (Rodentia) 



b Proteins and antigenic changes in brain and nuclear areas of brain (gel-diffusion and micro-gel- 

 diffusion). Same species as a 



LAYTON, W. M.; M.D., Prof. - Dept. of Anat./Cyto!., Dartmouth Med. School, HANOVER, 

 NH 03755, USA 



a Teratogenic mechanisms of carbonic anhydrase inhibitors. Mus musculus, Rattus norvegicus, 

 Mesocricetus auratus (Rodentia) 



b Asymmetry of developmental patterns. Mus musculus (Rodentia) 



c Genetic determination of situs inversus viscerum. Same species as b 



LEACH, C. M.; Ph.D., Prof. - Dept. of Bot. and Plant PathoL, Oregon State Univ., CORVALLIS, 

 OR 97331, USA 



a Light induction of reproduction in phytopathogenic species. (Fungi) 



b Interaction of light and temperature on the induction of reproduction and spore discharge. 

 (Fungi) 



LEBLOND, C. P.; M.D., Ph.D., Prof. - Dept. of Anat., McGill Univ., 3640 University St., MON- 

 TREAL, Que. H3A 2B2, Canada 



a Tooth development as shown by immunodetection of the various types of procollagen 



LEE H H ; Ph.D., Prof. - Biol. Dept., Univ. of Toledo, 2801 W. Bancroft St., TOLEDO, OH 43606, 

 USA 



a Characterization of cell surface substances responsible for morphogenesis (testicular cells m vitro). 

 Gallus domesticus (Aves) 



b Isolation of steroidogenic cells by sedimentation techniques. Same species as a 



c Differentiation of oocyte membrane with respect to receptors for a maturation-inducing sub- 

 stance, 1-methyladenine. (Asteroidea; Echinoidea) 



d Intermediate(s) in the cytosol fraction after hormonal stimulation responsible for fertilization 

 and embryogenesis. (Asteroidea) 



e Membrane reactions in oocyte maturation and in fertilization. (Echinoidea) 



LEESON, C. R.; M.D., Prof. - Dept. of Anat., Coll. of Med., Univ. of Missouri, COLUMBIA, MO 65201 , 

 USA 



a Postnatal development of the gastrointestmal tract and associated glands, and of the male repro- 

 ductive tract. Didelphis virginiana (Marsupialia) 



LEFFINGWELL, T. P.; Ph.D. ^ Cell Res. Inst., Biol. Labs. 220, Univ. of Texas, AUSTIN, TX 78712, 

 USA 



a Golgi apparatus in development and neoplastic transformation. (Aves) 



LEGNAME, A. H.; Dr.Biochem., Prof. - Inst, de Biol., Univ. Nac. de Tucuman, Chacabuco 461, 

 S.M. de TUCUMAN, Argentina 



a Glycolysis and tricarboxylic acid cycle during early development: regulatory mechanisms. Bufo 

 arenarum (Anura) 



b Oocyte maturation: metabolism as an expression of cytoplasmic maturation. Same species as a 



LEHMANN, Ms. R. - Dept. of ZooL, Univ. of Washington, SEATTLE, WA 98195, USA 



a Homeotic mutation ophthalmoptera. Drosophila melanogaster (Diptera) 



LEIGHTON, J.; M.D., Prof. - Dept. of Pathol., Med. Coll. of Pennsylvania, 3300 Henry Ave., PHI- 

 LADELPHIA, PA 19129, USA 

 no work on developmental biology in progress 



LENHOFF, H. M.; Ph.D., Prof. - Dept. of Developm. and Cell Biol., Univ. of California, IRVINE, 



CA 92717, USA 

 a Chemistry, biosynthesis, and topography of mesoglea. Hydra littorahs, H. pseudoligactis (Hydro- 



zoa) 

 b Movement and differentiation of interstitial cell. Hydra littoralis (Hydrozoa) 

 c Development of mutants. Hydra viridis (Hydrozoa) 

 d Control of pedal laceration. Undescribed spec. (Anthozoa) 



LEOPOLD R. A.; Ph.D. - Metab. and Radiat. Res. Lab., Agric. Res. Serv., U.S. Dept. of Agric, 

 P.O. Box 5674, State Univ. Station, FARGO, ND 58102, USA 



a Role of accessory gland secretions in fertilization. Musca domestica (Diptera) 



LESH-LAURIE, Ms. G. E.; Ph.D. - Dept. of BioL, Cleveland State Univ., CLEVELAND, OH 44115, 

 USA 



a Purification of neurotrophic substance(s) involved in interstitial cell differentiation. Hydra spec, 

 Podocoryne spec, Hydractinia spec, Pennaria spec, Aurelia spec. (Hydrozoa) 



b Control of differentiated state of interstitial cells. Same species as a 

 c Role of mesoglea in morphogenesis. Same species as a 



53 



