a Effect of vascular occlusion on seminiferous epithelium cycle in the testis. Mus musculus 



(Rodcntia) 

 b A study of meiotic chromosomes in altered blood supply to testis. Same species as a 

 LALA, P. K.; M.D.. Ph.D., Assoc. Prof. - Dept. of Anat., McGill Univ., P. O. Box 6070, Station A, 



MONTREAL, Que. H3C 3G1 , Canada 



No work on developmental biology in progress 

 LAMANO, Miss T. L.; B.Sc. - Dept. of Morphol., Univ. de Sao Paulo, P.O.B. 301, 14.100 RIBEIRAO 



PRETO, S.P., Brazil 

 a Spermatogenesis under hypervitaminosis A treatment after lactation; possibilities of testis 



recovery. Rattus spec. (Rodcntia) 

 LAMPRECHT, DeV. B.; M.Sc. - E.\p. Embryol. Res. Unit of the M.R.C., Dept. of Anat., Univ. of the 



Orange Free State, P. O. Box 339, BLOEMEONTEIN 9300, S. Africa 

 a Experimental vertebral development. Gallus domesticus (Aves) 

 b Experimental cranioschisis. Same pecies as a 



LANDESMAN, R.;Ph.D. - Dept. of Zool., Univ. of Vermont, BURLINGTON, VT 05401, U.S.A. 

 a Role of ribosomal and nuclear proteins in differentiation. Xenopus laevis (Anura) 

 b Neural-mesodermal interaction during primary embryonic induction 



LANDMESSER, Miss L. T.; Ph.D. -- Dept. of Biol., Yale Univ., NEW HAVEN, CT 06520, U.S.A. 

 a Cellular mechanisms of neuronal cell death in the ciliary ganglion; possible competitive inter- 

 actions for peripheral synaptic sites. Gallus gallus (Aves) 

 b Patterns of innervation of muscle in developing Umb. Same species as a 

 c Sequence of synaptogenesis in the developing spinal cord. Same species as a 

 d Specificity of early reflexes assessed electrophysiolocically. Same species as a 

 LANG, A.; Ph.D., Prof. -MSU/ERDA Plant Res. Lab., Michigan State Univ., EAST LANSING, 



MI 48824, U.S.A. 

 a Hormone pliysiology. (Plantae) 



b Physiology of flowering. Hyoscyamus nitier (Solanaceae) and other spp. 

 LANGMAN, J.; M.D., Ph.D., Prof. - Dept? of Anat., Univ. of Virginia, Jordan Med. Bids., 1300 



Jefferson Park Ave., CHARLOTTESVILLE, VA. 22901, U.S.A. 

 a Brain development under normal and abnormal conditions. Gallus domesticus (Aves), (Rodcntia) 

 LASEK, R. J.; Ph.D., Assoc. Prof. - Dept. of Anat., Sch. of Med., Case Western Reserve Univ., 



CLEVELAND, OH 44106, U.S.A. 

 a Proteins associated with growth and development of the axon. Rattus spec. (Rodcntia) 

 LASH, J. W.; Prof. - Dept. of Anat., Sch. of Med., Univ. of Pennsylvania, PHILADELPHIA, 



PA 19174, U.S.A. 

 a Tissue interactions in developmental biology 

 LATSHAW, W. K.; Ph.D., Assoc. Prof. - Dept. of Vet. Anat., Western Coll. of Vet. Med., Univ. of 



Saskatchewan, SASKATOON, Sask. S7N OWO, Canada 

 LAUFER, H.; Ph.D., Prof. - Biol. Sci. Group, Sect, of Developm. Biol., Univ. of Connecticut, Life 



Sciences Bldg. U-42, STORRS, CT 06268, U.S.A. 

 a Effects of hormones on gene action as revealed by puffing of polytenic chromosomes. 



Chironomus spec. (Diptera) 

 b Regulation of metamorphosis by hormones. (Insecta) 

 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, Mrs. J. H.; Ph.D., Assoc. Prof. - Dept. of Anat., Univ. of Calif., SAN FRANCISCO 



CA 94143. U.S.A. 

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

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



Mus musculus (Rodcntia) 

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

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

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

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



U.S.A. 

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



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



Mesocricetus auratus (Rodcntia) 

 h Proteins and antigenic clianges in brain and nuclear areas of brain (gel-diffusion and micro-gel- 



diffusion). Same species as a 

 LAWRENCii, I.E., Jr.; Ph.D., Assoc. Prof. - Dept. of Anat., East Carolina Univ.. Box 2701, 



GREENVILLE, NC 27834, U.S.A. 

 LAYTON, W. M.; M.D., Prof. - Dept. of Anat./Cytol., Dartmoutii Med. School, HANOVER, 



Nil 03755, U.S.A. 

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



Mesocricetus auratus (Rodcntia) 

 b Asymmetry of developmental patterns. Mus musculus (Rodcntia) 

 c Genetic determination of situs inversus viscerum 

 LEACH, CM.; Ph.D., Prof. - Dept. of Bot. and Plant Pathol., Oregon State Univ., CORVALLIS, 



OR 97331, U.S.A. 

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

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



(Fungi) 



52 



