232 
CHAS. H. O'DONOGHUE. 
50. Winckler. — “ Beitrag. zur Histologie u. Nerven vertheilung in der 
Mamma/’ ‘ Arch. f. Gynakol.,’ Bd. ii, 1877. 
51. Basch. — ‘ Monats. f. Kinderkeilk.,’ 1909, viii, p. 513. 
52. Biedl und Koenigstein. — “ Untersuchungen iiher das Brustdrusen- 
hormon der Graviditat,” ‘ Zeitsclir. f. exper. Pathol, u. Therap.,’ 
Bd. viii, 1910. 
53. Foa. — “ Sui Fattori che Determinano L’ accrescimento e la Funzione 
della Ghiandola Mammaria,” ‘ Archiv d. Fisiol.,’ vol. v, 1908. 
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‘Wien. klin. Wochenschr.,’ xxi, 1908. 
55. Frank and Unger. — “ An Experimental Study of the Causes which 
produce the Growth of the Mammary Gland,” ‘ Arch of Intern. 
Medicine,’ 1911. 
50. Loeb, L. — “ The Experimental Production of the Maternal Placenta 
and the Function of the Corpus Luteum,” ‘ Journ. Amer. Med. 
Assoc.,’ 1909. 
57. “ The Function of the Corpus Lateum, the Experimental 
Production of the Maternal Placenta, and the Mechanism of the 
Sexual Cycle in the Female Organism,” * Med. Record,’ 1910. 
58. Tandler. — “Ueber den Einfluss der innersekretorischen Anteile der 
Gesclilectsdriisen auf die aiissere Ersclieinung des Menschen,” 
‘ Wien. klin. Wocliensclir.,’ xxiii. 1910. 
EXPLANATION OF PLATES 22 and 23, 
Illustrating Mr. Chas. H. O’Donoghue's paper on “ The 
Growth- changes in the Mammary Apparatus of Dasyurus 
and the Relation of the Corpora Lutea thereto.” 
List of Common Reference Letters. 
al. Alveolus. c. Coagulum (of colostrum-like substance), c.ra. 
Cremaster muscle, d. Milk-duct. d.o. Opening of milk-duct on teat. 
f. Fibrillar cell. fol. Follicle of hair. h. Hair. 1. Lymph-gland, m. 
Mitotic figure, m. c. Milk coagulum. mu. Muscles, o. Fat-globule. 
seb. Sebaceous gland, sw. Sweat-gland, t. Mammary tubule, w. Wall 
of alveolus. 
PLATE 22. 
Fig. 1. — Photo-micrograph (x about 90). Transverse section of the 
gland-area in a pouch young twenty weeks after birth (i. e. Series 2). 
One of the six strong hairs ( h .) is projecting outward from its follicle 
