LOCKSHIN, R. A.; Ph.D. ~ Dept. of Biol. Sci., St. John's Univ., Grand Central and Utopia Parkways, 



JAMAICA, NY 11439, USA 

 a Programmed cell death, turnover of muscle proteins and involution of other tissues in meta- 

 morphosis; biology of aging. Manduca sexta, Antheraea polyphemus, A. pernyi CLepidoptera) 

 LOEWENTHAL, Ms. L. A.; Ph.D., Assoc. Prof. - Div. of Biol. Sci., Univ. of Michigan, ANN ARBOR, 



MI 48109, USA 

 a Effects of teratogens on limb development. Gallus domesticus (Aves) 

 LONG, E. O.; Ph.D. - Dept. of Embryol., Carnegie Inst, of Washington, 115 W. University Piirkway, 



BALTIMORE, MD 21210, USA 

 a Structure and transcription of the ribosomal RNA genes and their related sequences. Drosophila 



melanogaster (Diptera) 

 LONG, S. Y.; Ph.D., Assoc. Prof. - Dept. of Anat., Med. ColL of Wisconsin, 8701 Watertown Plank 



Rd., MILWAUKEE, WI 53226, USA 

 a Cleft palate and limb malformations as a model for genetic-teratogenetic interactions. Mus mus- 



culus (Rodentia) 

 LOOMIS, W. F., Jr.; Ph.D. ~ Ctr. for Devi. Biol. B-022, Univ. of CaUf., San Diego, LA JOLLA, 



CA 92093, USA 

 a A biochemical and genetic investigation of the mechanisms of development. DictyosteUum dis- 



coideum (Acrasiales) 

 LOPES, R. A^ D.D.S., Sc.D. - Dept. de Patol., Fac. de Farm, e Odontol. de Ribeirao Preto, 14100 



RIBEIRAO PRETO, S.P., Brazil 

 a Alcoholism during pregnancy (histochemistry and allometry). Rattus rattus (Rodentia) 

 b Teratogcnesis in hypervitaminosis A (histopathology and morphometry). Same species as a 

 LORENZ, F. W.; Dr. - Dept. of Anim. Physiol., Univ. of California, DAVIS, CA, USA 

 a Cleavage. Gallus domesticus (Aves) (with M. R. BELLAIRS, London) 

 LOUGHTON, B. G.; Ph.D., Assoc. Prof. - Biol. Dept., York Univ., DOWNSVIEW, Ont. M3J 1P3, 



Canada 

 LOVE, D.; Ph.D. - Dept. of Anat., Developm. Biol. Ctr., Case Western Reserve Univ., 2119 Abing- 



ton Rd., CLEVELAND, OH 44106, USA 

 a Chemistry of developing muscle. Gallus domesticus (Aves) 

 b Endocrine regulation of the rates of turnover of contractile proteins and metabolic enzymes 



during embryonic muscle development. Same species as a 

 LOVETT, J. S.; Ph.D., Prof. - Dept. of Biol. Sci., Purdue Univ., WEST LAFAYETTE, IN 47907, USA 

 a Regulation of RNA and protein synthesis and its role in differentiation; messenger RNA storage 



in zoospores and its function during zoospore germination; regulation of protein synthesis in 



zoospores. BlastocladieUa cmersonii (Phycomycetes) 

 b Function of microtubules in rhizoid initiation and development during zoospore germination. 



Same species as a 

 c Cell wall composition and the regulation of discharge papilla formation during differentiation. 



Same species as a 

 LOY, J. B.; Ph.D., Assoc. Prof. - Plant Sci. Dept., Univ. of New Hampshire, Nesmith Hall, DURHAM, 



NH 03824, USA 

 LU, M.-H.; Ph.D. - Div. of Plast. Surg., Dept. of Surg., Johns Hopkins Univ., 601 N. Broadway, BAL- 

 TIMORE, MD 21205, USA 

 a Teratogenicity of ethylenethiourea. Mesocricetus auratus (Rodentia) 



b Teratogenicity of compounds of propylparaben, dichlorophene, dicoumarol, thiopental-Na, thy- 

 mol, saUcylanUide, and undecylenic acid. Mus musculus (Rodentia) 

 c Cleft palate by cortisone acetate injection. Same species as b 

 LUCAS, J. S.; Ph.D. - Zool. Dept., James Cook Univ. of N. Queensland, P.O. James Cook Univ., 



TOWNSVILLE, Qld. 481 1, Austraha 

 a Development of hybrids. Acanthaster planci, A. brevispinus (Asteroidea) 



LUCK, D. N.; Dr.phU., Assoc. Prof. - Dept. of Biol., Oberhn Coll., OBERLIN, OH 44074, USA 

 a Regulation by estrogen of RNA metabolism in the uterus, especially the effects on the synthesis 



of low molecular weight, methylated RNA species and poly A-terminated RNA species. Rattus 



spec. (Rodentia) 

 LUCKETT, W. P.; Ph.D. - Dept. of Anat., Creighton Univ., 2500 CaUfornia St., OMAHA, NE 68178, 



USA 

 LUTHARDT, F. W.; Ph.D. - Div. of Med. Genet., Dept. of Psychiat., Univ. of CaUfornia, LOS AN- 

 GELES, CA 90024, USA 

 a Cytogenetics of 4-cell embryos from XO females to determine the proportion of surviving XO 



embryos (trypsin-Giemsa procedure). Mus musculus (Rodentia) 

 b Cell cycle analysis of ribosomal RNA gene activation in preimplantation embryos. Same species 



as a 

 LYERLA, T. A.; Ph.D. - BioL Dept., Clark Univ., WORCESTER, MA 01610, USA 

 a Lysosomal enzymes and their role in cement gland regression. Xenopus laevis (Anura) 

 b Lactate dehydrogenase isozymes: genetics, tissue specificities and activation during embryogene- 



sis. Same species as a 

 c Cell regression and pigment cell development. Same species as a 

 d Genetic and hormonal controls of isoenzymes: activation during embryogenesis. Same species 



as a 

 LYKE, E. B.; Ph.D., Prof. - Dept. of Biol. Sci., Calif. State Univ., HAYWARD, CA 94542, USA 

 a Gametogenesis and fertilization, especially pro-acrosomal vesicle formation and role in fertiliza- 

 tion. Polyorchis penicillatus (Hydrozoa) 

 b Gametogenesis, fertilization, and early development in sohtary and colonial species. Metridium 



spec, Anthopleura spec, Epiactis spec, Clavularia spec (Anthozoa) 



55 



