THE SOUTHERN SEA LION i 49 



which is completed by the time the foetus is a little over 50 cm. With considerable 

 reservations the period may be estimated at four months, judging from the size of 

 foetuses at successive periods (Table X). 



Table X 

 List of foetuses in monthly succession 



* Where no separate number is given the foetus bears that of the cow. 



CM 

 30 n 



LEFT CORNU 



OS 







VAGINA 



Fig. 6. Very recently post partum uterus of no. 531. From a field sketch. 



In the sterile cornu of no. 436 when the foetus was 10-2 cm. the epithelium is of 

 crowded columnar cells attaining a height of 39/^ with nuclei in the middle of the cells. 

 The glands are very numerous in section and secretion is plentiful. The blood vessels 

 of the stroma are conspicuous for number and size. In the extra foetal part of the 



