Lodder-Lyn 



a Influence of various kations on development. Limnaea stagnalis (Gastro- 

 poda) (in collaboration with W. L. M. GEILENKIRCHEN and Chr. P. 



RAVEN) 

 LOEWENTHAL. L. A. A.B.. A.M.. Ph.D. — Dept of Anim. Genet., Coll. 



of Agric. Univ. of Connecticut, Storrs Agric. Exper. Stat., STORRS, 



Conn.. U.S.A. 

 a. Histological and histochemical study on embryos treated with thalhum. 



Callus domesticus (Ares) 

 LOOSLI, R. — Zool.-vergl. Anat. Inst., Naturw. Fak., Univ. Zurich, Kunst- 



lergasse 16. ZuRICH 6, Schweiz 

 a. Field organisation of imaginal discs. Drosophila spec. (Diptera) 

 LOPASOV. G. V. Prof. — Inst, of Animal Morphol. of the Acad, of Sci. of 



the U.S.S.R.. B. Kaluzskaja 33, MOSKOU. Russia 

 LOS. J. A. M.B. — Anat.-Embryol. Lab. of the Univ. of Leyden, Fac. of 



Med., Wassenaarsev/eg, Boerhaavekwartier, LEIDEN, Holland 

 a. Normal and abnormal development of the heart. Homo and other Ani- 



malia (in collaboration with J. DANKMEIJER) 

 LOSSEROY. J. — Lab. d'Histol.. Dep. d'Embryol., Fac. de Med.. 31 Rue 



Lionnois, NANCY (Meurthe & Moselle), France 

 LOVELACE, Miss L. R. B.S., M.S.. Ph.D. — Dept of Biol.. Univ. of South 



Carolina. COLUMBIA, S.C, U.S.A. 



a. Precocious sperm entry, induced by alkaline. NaCl and CaClo. effects 

 on cleavage. Neanthes ( — Nereis) limbata (Errantia, Polychaeta) 



b. Cytological changes following temperature shock on inseminated, un- 

 cleaved eggs. Neanthes (= Nereis) limbata (Errantia, Polychaeta) 



c. Artificial parthenogenesis, cytological analysis. Neanthes (= Nereis) 

 limbata (Errantia, Polychaeta) 



d. Ultraviolet radiation, effects on cleavage mechanism. Neanthes 

 (— Nereis) limbata (Errantia, Polychaeta) 



LPVTRUP. S. Dr Phil. — Fac. of Med., Univ. of Gothenburg, 4:de Lang- 

 gatan 7. GoTEBORG. Sweden 

 a. Chemical differentiation during development at different temperatures. 



Enzymes and nucleic acids. Ambystoma mexicanum (Urodela) 

 h. Metabolism during development at different temperatures. Ambystoma 

 mexicanum (Urodela) 

 LUCEY. E. C. A. B.Sc. — Inst, of Animal Genet., Univ. Dept of Genet.. 

 King's Buildings. West Mains Rd. EDINBURGH 9. Scotland (U.K.) 

 a. Film of normal development. Oryctolagus cuniculus (Lagomorpha) (in 

 collaboration with R. A. BEATTY) 

 LQDTKE. H. Dr. Prof. — Zool. Inst, der Univ.. Katharinenstr. 20. FREI- 

 BURG i. Brsg.. Deutschland 

 LUDWIG. K. S. M.D. — Anat. Inst.. Pestalozzistr. 20. BASEL. Schweiz 



a. Ontogenesis of the vertebral column. Mus norvegicus. Homo (Mammalia) 



b. Impregnation, segmentation and RNA/DNA. Mus norvegicus 

 LUGLI. Miss L. Dr — 1st. di Zool. e Anat. comp.. Via Universita 4. MO- 



DENA. Italia 

 a. Activity of sex hormones on the sex differentiation of gonads and Bid- 

 der's organs. Bufo bufo (Anura) (in collaboration with Miss M. L. 

 ROMANI) 



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