TWINNING IN DASYPUS NOVEMCINCTUS 



31 



end (Ju) of the uterus runs to a point. Internally two 

 grooves in the mucosa intersect at the very apex of the 



Fig. 4. — ^The small spherical body near the center of the cross- 

 shaped area is an armadillo egg beginning to adhere to the uterine 

 membranes in the fundus of the uterus. The wrinkled, lighter area 

 surrounding the speciahzed attachment area is the general uterine 

 mucous membrane. The lateral arms of the cross-shaped area are 

 grooves communicating with the right and left oviducts or Fallopian 

 tubes. (From Patterson.) 



fundus, and it is at this point, the center' of a cross- 

 shaped smooth area, that the egg attaches itself 

 when the placentation occurs (Fig. 4). The whole 



' If the egg has come from the right ovary, it will become attached, 

 as in the figure, somewhat to the right of center; if from the left ovary, 

 to the left of center. 



