154 



THE HUMAN EMBRYO. 



against the right thigh. In this attitude the embryo fills out as perfectly as possji- 

 ble an oval space, and fits, therefore, the cavity of the uterus. The second speci- 

 men (Fig. 97) shows the attitude as- 

 sumed by the embryo when free, and 

 proves that the position in utero (Fig. 

 96) is a constrained one. This foetus 

 was received November 30, 1883. The 

 delivery took place on the morning of 

 that day, and the last menstruation 

 had ceased one hundred and six days 

 previously ; the remarkably fresh con- 

 dition of the foetus indicated that it 



Fig. 96. — Human Embryo of 120 mm. (? One 

 Hundred and Ten Days.) 



Fig. 97. — Huma.n Embryo of 118 mm. One 

 Hundred and Six Days. 



had been dead only a very short time, so that we cannot be far wrong in put- 

 ting its exact age at one hundred and six days. 



