Lut-Man 



LUTZ (OSTERTAG), Mrs. Y. Dr. es Sci. — Lab. de Zool., 1 Avenue Ver- 

 cingetorix, CLERMONT-FERRAND, France 



a. La genese de l'asymmetrie du tractus genital et la regression des canaux 

 de Muller par la methode d'explantations. Gallus spec. (Aves) 



b. Role des hormones dans la differenciation primaire du sexe. Gallus spec. 

 (Aves) (en collaboration avec Et. WOLFF) 



c. Polyembryonie experimentale. (Salmonidae, Teleostei) (en collaboration 

 avec H. LUTZ) 



d. Action des ultra-sons sur l'embryon et sur differents organes. Gallus spec. 

 (Aves) (en collaboration avec H. LUTZ) 



e. Culture in vitro du blastoderme. (Aves) (en collaboration avec H. 

 LUTZ) 



f. Free-martinisme spontane. (Aves) (en collaboration avec H. LUTZ) 

 LYDECKEN, K. M.A., B.M. — Anat. Inst., Univ. of Helsinki, HELSINKI, 



Finland 

 a. Development of the anterior pituitary and thyroid gland. Mus musculus 

 (Rodentia) 

 LYNCH, W. F. M.A., M.S., Ph.D., Prof. — Biol. Dept.. St. Ambrose Coll., 

 DAVENPORT, Iowa, U.S.A. 



a. The inhibitory effects on metamorphosis brought about by thiourea, 2,4- 

 dinitrophenol, sodium azide, potassium-cyanide and glucose. Bugula spp. 

 (Bryozoa) , Amaroecium spec. (Ascidiae) 



b. The nature of the attaching substance. Bugula spp. (Bryozoa) 

 LYNE, A. G. B.Sc, Ph.D. — Div. of Animal Health and Production, 



C.S.I.R.O., Sheep Biol. Lab., Great Western Highway (P.O.Box 144 

 Parramatta), PROSPECT, N.S.W., Australia 



a. Development of skin and hair. Trichosurus vulpecula, Perameles nasuta 

 (Marsupialia) 



b. Structure and development of hair follicles and associated glands. Bos 

 indicus, B. taurus, Ovis spec. ( Artiodactyla) 



LYNN, W. G. A.B., Ph.D. — The Catholic Univ. of America, WASHING- 

 TON, D.C., U.S.A. 



a. Role of the thyroid in direct development. Eleutherodactylus ricordi 

 (Anura) 



b. Factors in degeneration of the pronephros. Rana pipiens (Anura) 



c. Effects of goitrogenic drugs upon thermal death point. Rana sylvatica 

 (Anura) 



LYON, Miss M. F. Ph.D. — Radiobiol. Res. Unit., Atomic Energy Res. 



Establ., HARWELL, Berkshire, England 

 LYTLE, C. F. A.B., A.M., Ph.D. — Dept. of Zool., Indiana Univ.. BLOO- 



MINGTON, Ind., U.S.A. 



a. Growth and morphogenesis. Craspedacusta sowerbii (Hydroidea) 



b. Division of early embryonic cells. Rana pipiens (Anura) 

 MACFADYEN. A. M.A. — Dept. of Zool, Univ. Coll. of Swansea, Single- 

 ton Park, SWANSEA, Glamorganshire, Wales 



MACMILLAN, E. W. Dr. — Dept. of Anat., Univ. of Liverpool, LIVER- 

 POOL, England 



a. The importance of the epididymis and its vascularization for spermato- 

 genesis. (Mammalia) 



b. The rate of transport of spermatozoa through the ductus epididymidis. 

 (Mammalia) 



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