ON RESULTS OF REMOVAL AND TRANSPLANTATION OF OVARIES. 599 



Ribbert, Arch. f. Entioiclc-Mechanik., vol. vii., 1898. 

 Romanes, Darwin and After Darwin, vol. ii., 1895. 

 Rubinstein, St Peters. Mediz. Woch., 1899. 

 Schultz, Centralbl. f. All. Path. u. Path. Anat., vol. xi., 1900. 

 Shattock and Seligmann, Royal Soc. Proc, vol. lxxiii., 1904. 

 Sokoloff, Arch./. Gynah., vol. Ii., 1896. 



DESCRIPTION OF THE PLATES. 



The figures were drawn by Mr Richard Muir, of the Pathological Department, University of Edinburgh. 



Plate I. 



Fig. 1. Grafted ovary from a case of homoplastic implantation, showing normal Graafian follicles with 

 membrana granulosa, a small follicle with ovum, a degenerate follicle without membrana granulosa, and cysts 

 lined by stratified squamous epithelium. The cysts are not improbably derived from other follicles. The 

 graft was allowed to remain for two and a quarter months, and the rat was killed before the commencement 

 of the normal breeding season, x 40 diam. 



Fig. 2. Homoplast showing follicles, an ovum, and corpora lutea. The graft was left for two months, 

 and the rat was killed during the breeding season, x 80 diam. 



Fig. 3. Heteroplast showing a highly vascular corpus luteum. Graft left for three and a quarter 

 months. x 80 diam. 



Plate II. 



Fig. 4. Heteroplast showing follicles with normal membrana granulosa, interstitial cells, etc. Graft left 

 for one and a half months, x 120 diam. 



Fig. 5. Transverse section of normal uterus of rat, showing glands, etc. x 40 diam. 



Fig. 6. Transverse section of uterus of rat castrated six months previously. The lumen is small, the 

 mucosal glands inconspicuous, the muscular wall thinned, and the fibrous tissue increased. x 40 diam. 



Fig. 7. Transverse section of uterus of rat in which homoplastic implantation had been performed two 

 months previously. The uterus is practically normal. x 40 diam. 



