a The influence of the type of locomotion on the growth of the muscles of the hindlimb. 



Raftiis noruegicus (Rodentia) 

 b Growth changes in the talus. Homo sapiens (Primates) 

 LISSIA (FRAU), Mrs. A. M. Dr. — 1st. di Biol, e Zool. gener., Univ. di Sassari, SASSARI. 



Sardegna, Italia 

 a Gonadogenesis and sexual differentiation in hermaphroditic forms. Diplodus vulgaris. 



Boops salpe, B. boops. Lythognathus mormyrus (Sparidae, Teleostei) 

 LIVERSAGE. R. A. Ph.D., Prof. — Dept. of Zool.. Univ. of Toronto. TORONTO 5. Ont.. 



Canada 

 a Influence of nerves and endocrines on regeneration. Triturus viridescens (Urodela) 

 LIWSKA, Miss }. mgr.Sci. — Veter. Inst, of Histol. and Embryol., High School of Agric, 



Grochowska 272. WARSZAWA, Poland 

 a Histochemical studies on differentiation of gonads. Callus domesticus (Aves) 

 LJUNGQVIST, A. G. Dr.Med —Dept. of Pediatric Pathol., Karolinska Hosp., STOCK- 

 HOLM 60, Sweden 

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



2127 Cornell Road, CLEVELAND. Ohio 44106, U.S.A. 

 a Complete ultrastructural study of development in a molt cycle. Calpodes ethlius (Hesperii' 



dae. Lepidoptera) 

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



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

 a Control of breakdown of muscles in metamorphosis (neurological and biochemical aspects). 



Antheraea polyphemus (Saturniidae, Lepidoptera) 

 b Biochemical events during early embryogenesis. Leptinotarsa decemlineata, Tribolium 



confusum (Coleoptera) 

 LOEFFLER. C. A. Ph.D. — Dept. of Zoophysiol.. Univ. of Umea. UMEA 6. Sweden 

 a Permeability and osmoregulation. Rana spp. (Anura) (in collaboration with S. L0V- 



TRUP) 

 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 Morphogenetic movements of the archenteron. Ambystoma mexicanum (Urodela) 

 h Electron microscopic investigations 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 

 LOMBAREXD, F. Dr. Biol.Sci. — 1st. di Anat. Comp., Fac. di Sci. Fis. Mat. e Nat., Univ. dl 



Modena, Via Berengario 14, MODENA. Italia 

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

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



Mass. 02154. U.S.A. 

 a Chemical identity of the inducers of sexual maturation that accumulate in the micro- 

 environmental water of cultured animals. Hydra littoralis (Hydroidea) 

 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. Dictyostelium 



discoideum (Acrasiales) 

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



U.S.S.R.. Vavilov St. 26. MOSCOW V-133, U.S.S.R. 

 a Action of homogenate fractions and cell secretions from different organs and their rudi- 

 ments, and of some complex milieus on the development of embryonic cells (neural plate. 



eye vesicle, eye cup) in isolated state, monolayers and aggregates of different sizes. Rana 



arvalis, R. temporaria, R. ridibunda (Anura). Ambystoma mexicanum (Urodela). Callus 



domesticus (Aves) (in collaboration with Mrs. O. A. HOPERSKAYA) 

 b Metaplastic potencies of embryonic and larval eye for retina and lens regeneration, and 



attempts of their stimulation. Leuciscus bergi (Cyprinidae), Anoptichthys jordani (Characi- 



dae. Teleostei), Rana temporaria. R. esculenta. R. ridibunda (Anura) (in collaboration 



with Miss A. A. SOLOGUB) 

 c Analysis of the ability of combinations of some larval eye tissues for lens induction in 



embryonic ectoderm. Triturus taeniatus (Urodela) 

 d Analysis, by means of creation of additional choroid fissures, of the determination of 



1. the site of formation of the falciform process. Leuciscus bergi (Cyprinidae). Misgurnus 

 fossilis (Cobitidae. Teleostei) 



2. the site of lens regeneration. Triturus taeniatus (Urodela) 



LOS, J. A. M.D. — Anat. Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, AMSTER- 

 DAM O.. Netherlands 

 a Development of the heart and cardiac malformations. Homo sapiens (Primates) 



93 



