Maternal Organs of Reproduction in Animals. 267 



curved side of the neck or chest, depending on the position of the 

 head, which pressure must resist the propulsive efforts of the 

 mother, when it will be found that the neck will be thus 

 straightened and the head consequently brought nearer to the 

 pelvic opening. We should remark, that in this presentation the 

 I'cetus is often found dead, and therefore we may venture to 

 adopt those means, which otherwise we should not have recourse 

 to. In extreme cases, however, of this description, the preser- 



