520 



OBSTETRIC OPERA TIONS. 



volume between it and the head far less than in the human foetus. So 

 that, when the forceps is used, the bow of the blades presses on the 



BiTCH Forceps. 



Fig. 176. 

 Weber's Forceps. 



Fig. 177- 

 Defays' Forceps. 



neck, slips under the throat, and the head escapes from them. To rem- 



