b Cell proliferation in imaginal wing discs. Various species (Lepidopteca) 



LOBO, J. F. Ph.D. — Cell Research Lab., Dept. of Zool., Nowrosjee Wadia Coll., POONA- 



1, India 

 a Alkaline phosphatase and mucopolysaccharides in eggs and larvae (histochemical methods). 



Betfa splendens (Teleostei) 

 h Phospholipids and non-specific esterases in larvae and adults (histochemical methods). 



Rana tigrina (Anura) 

 LOCKE M Ph D., Prof. — Dept. of Biol., Developm. Biol. Center, Case Western Reserve 



Univ., 2127 Cornell Rd.. CLEVELAND, Ohio 44106, U.S.A. 

 a The ultrastructure and physiology of insect development, particularly during the molt/ 



intermolt cycle. Calpodes ethlius (Hespedidae, Lepidoptera) 

 LOCKSHIN, R. A. Ph.D. — Dept. of Physiol., School of Med. and Dent., Univ. of Roches- 

 ter. 260 Crittenden Blvd.. ROCHESTER, N.Y. 14620, U.S.A. 

 LOEFFLER, C. A. Ph.D. — Dept. of Zool, Univ. of Arkansas, FAYETTEVILLE, Ark. 



72701. U.S.A. 

 a Permeability and osmoregulation. Rana spp. (Anura) 

 b Various morphogenetic topics. 1. Somitogenesis. 2. Long-term interspecific tolerance. Rana 



spp. (Anura) 

 LOFBERG, J. E. Fil.kand. — Zool. Inst., Univ. of Uppsala, Villavagen 9, UPPSALA, 



Sweden 

 a Electron microscopic investigation on the process of neurulation. Ambystoma mexicanum 



(Urodela) 

 LOFTS, B. — Dept. of Zool. and Comp. Anat., St. Bartholomew's Med. Coll.. Charterhouse 



Square. LONDON E.C.I, England 

 LOKHORST, Miss W. — Lab. of Veter. Physiol., State Univ. of Utrecht, Alex. Numankade 



93, UTRECHT, Netherlands 

 a Physiology of respiration in embryos under influence of environmental conditions. Gallus 



domesficus (Aves) (in collaboration with C. ROMIJN) 

 LOMBARD (DES GOUTTES), Mrs. M. N. Lie. es Sci. — Inst. d'Embryol. et Teratol. 



exper. du C.N.R.S., 49 bis Av. de la Belle Gabrielle, 94-NOGENT-sur-MARNE, France 

 a Development of interactions between pituitary, pineal and gonads in vitro. Mas mus- 



culus (Rodentia) 

 b Induction of kidney tubules in metanephrogenetic mesenchyme. Mus musculus, Rattus 



norvegicus (Rodentia) 

 LOMBARDO. F. Dr.Biol.Sci. — 1st. di Anat. Comp., Univ. di Modena, Via Berengario 14, 



41100 MODENA, Italy 

 a Regeneration in the adult retina. Rana esculenfa (Anura) 

 b Regeneration of the retina in young animals. Carassius auratus (Teleostei) 

 c Regeneration of the cerebellum in young animals. Tinea tinea (Teleostei) 

 d Regeneration of the telencephalon in post-metamorphic animals. Rana eseulenta (Anura) 

 LONDON, J. M.Sc. — Dept. of Embryol. and Teratol, Tel-Hashomer Hosp., Tel-Aviv 



Univ. Med. School, TEL-AVIV, Israel 

 a Biophysical characteristics of syncytial placenta cells at term. Homo sapiens (Primates) 



(in collaboration with L. A. NEBEL) 

 LONGENECKER. B. M. Ph.D. — Dept. of Zool.. Fac. of Sci., Univ. of Alberta, EDMON- 

 TON, Alta., Canada 

 a Immunogenetic analysis of graft-versus-host reactions in the embryo using the chorio- 

 allantoic pock technique. Gallus domesticus (Aves) 

 b Effect of physical and chemical agents on immunologically competent cells using the 



chorioallantoic pock assay system. Gallus domesticus (Aves) 

 LOOMIS, W. F. M.D., Prof. — Graduate Dept. of Biochem., Brandeis Univ., WALTHAM, 



Mass. 02154. U.S.A. 

 LOOMIS, W. F., Jr. Ph.D. — Dept. of Biol., Univ. of California, San Diego, P.O. Box 109, 



LA JOLLA, Calif. 92037, U.S.A. 

 a A biochemical and genetic investigation of the mechanisms of development. Dietyostelium 



discoideum (Aerasiales) 

 LOPASHOV, G. V. Dr.biol.sci., Prof. — Inst, of Developm. Biol., Acad, of Sci. of the 



U.S.S.R.. Vavilov St. 26, MOSCOW B-133, U.S.S.R. • 



a Analysis of inductive interactions of the cells in differentiating retina by means of com- 

 binations of cells of the eye rudiment and the gastrula ectoderm. Rana temporaria, R. 



acvalis, R. eseulenta (Anura). Gallus domestieus (Aves) (in collaboration with Mrs. O. A. 



HOPERSKAYA) 

 b Metaplastic potencies of embryonic and larval eye for lens and retina regeneration. Leueis- 



cus bergi (Cyprinidae) . Anoptiehthys jordani (Characidae, Teleostei) (in collaboration 



with Miss A. A. SOLOGUB) 

 c Stimulation of metaplasia of the pure pigment epithelium of adult animals into retina by 



means of agents from larval (or embryonic) retina. Rana temporaria, R. ridibunda (Anura), 



(Gallus domestieus (Aves), Mus museulus (Rodentia) (in collaboration with Miss A. A. 



SOLOGUB) 



107 



