ARRIVALS AND BIRTHS. 57 



Many other cows were noted on landing, but became confused through additions 

 to the harems before their pups were born. In cases of the cows mentioned the 

 identification was clear. 



A cow landed between 3 and 9 p. m. on the 20th, and her pup was born between 

 5 and 8.30 the afternoon of the 21st. 



A cow arrived at 3.30 the 20th and bore her pup at 11 o'clock on the morning of 

 the 21st. 



A cow arrived on the 19th at 9.30 a. m. and bore her pup at 4.15 of the 22d. 



EXPLANATION OF PLATE XI. 



1. Uterus and ovariea of an old far seal, ventral aspect. A triangular section has been removed 

 from the wall of the uterus to show its complete division into two portions. Delivery has taken place 

 in the left branch (shown on right side), and the scar of recent impregnation is visible in the right 

 ovary (at left of plate). 



2, 3. Ovaries of a 2-year-old female, showing corpus luteum in left ovary. Degenerate Graafian 

 follicles appear in both ovaries. 



4, 5. Ovaries of old female, showing corpus albicans iu left ovary, 4, and corpus luteum and degen- 

 erate follicles in right ovary, 5. 



6, 7. Ovaries of an old female, showing corpus luteum iu left ovary, 6, and almost absorbed corpus 

 albicans in right ovary, 7. 



8, 9. Ovaries of an old female, showing corpus albicans in left ovary, 8, and corpus luteum and 

 numerous Graafian follicles in right ovary, 9. 



All figures of natural size. Nos. 1, 6, and 7, by Dr. J. C. McConnell; 2, 3, 4, 5, 8, and 9, by A. H. 

 Baldwin, from alcoholic specimens. 



