a. Specific inhibition of differentiation in embryonic organs by extracts of 

 homogenates of homologous adult organs. Gallus domesticus (Aves) 



b. Development of specific proteins in the central nervous system studied by 

 fluorescence and electrophoresis. Gallus domesticus (Aves) 



c. Specific chemical relationships in the development and regeneration of 

 the lens. Gallus domesticus (Aves) 



d. Heterogeneous inductions. Gallus domesticus (Aves) 



McKAY, D. G. B.S., M.D. — Dept. of Pathol., Coll. of Physicians and Sur- 

 geons. Columbia Univ., 630 W. 168th St., NEW YORK 32, N.Y., U.S.A. 



McKEEHAN, M. S. A.B., M.S., Ph.D., Prof. — Dept. of Anat., School of 

 Med., Univ. of Virginia, CHARLOTTESVILLE. Va., U.S.A. 



a. Problems of growth and differentiation as studied in the developing lens. 

 Gallus domesticus (Aves) 



b. The location of mitotic cells in the neural tube. Amby stoma spec. (Urodela) 

 McKENZIE, J. M.D. — Dept. of Embryol., Marischal Coll., Univ. of Aber- 

 deen, ABERDEEN, Scotland 



a. The metabolic characteristics of different tissues in the early embryo. 

 Gallus gallus (Aves) 



b. The cytological effects of metabolic inhibitors on the early embryo. Gallus 

 gallus (Aves) 



c. The effects of adult tissue homogenates on the early embryo. Gallus 

 gallus (Aves) 



McLAREN, Miss A. M.A., D.Phil. — Inst, of Animal Genet., Univ. Dept. of 

 Genet., King's Buildings, West Mains Road, EDINBURGH 9, Scotland 



a. Induction of super-fecundity by hormone treatment. Mus musculus (Ro- 

 dentia) 



b. Influence of early embryonic environment upon later development, investi- 

 gated by in vitro cultivation of early embryos. Mus musculus (Ro- 

 dentia) 



c. Influence of ageing on fecundity, in normal and unilaterally ovariecto- 

 mized animals. Mus musculus (Rodentia) 



d. Immunization against spermatozoa, and its effect on female reproductive 

 performance. Mus musculus (Rodentia) 



e. A maternal effect exerted by females homozygous for the recessive gene 

 hairloss. Mus musculus (Rodentia) 



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

 POOL 3, England 

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

 (Mammalia) 



McMURRAY, Mrs. V. M. A.B., M.S., Ph.D. — Seminary Hill Station, P.O. 

 Box 6394, FORT WORTH, Tex., U.S.A. 



McNUTT, C. W., A.B., M.S., Ph.D. — Dept. of Anat., Med. Branch, Univ. 

 of Texas, GALVESTON, Tex., U.S.A. 



a. Analysis of morphological effects of the short ear gene. Mus musculus 

 (Rodentia) 



b. Embryological study of a new genetic condition causing an "abortive" 

 condition of the tail. Mus musculus (Rodentia) 



MacRAE, Mrs. E. J. KRUGELIS B.S., M.A., Ph.D., Prof. — Dept. of Anat., 

 Coll. of Med., Univ. of Illinois, 1853 W. Polk St., CHICAGO 12, 111., 

 U.S.A. 



101 



