SG 



Blair Bell 



a chisel but is blunt, can be pushed in, so as to cut through the stalk 

 caught in the hook (fig. 12). The lower attachments of the pituitary were 

 always first separated with a fine blunt Watson-Cheyne dissector (fig. 13), 

 before the stalk was cut through ; after this the pituitary could be lifted 

 out with a pair of bent forceps. This freeing of the lower attachments of 

 tlie pituitary was found advisable in all operations except those in which 



■a 



••_i«*iW''" 



Fig, 9. — View of the field of operation at the stage when the pituitary is first exposed. The 

 circle of liglit from the head lamp is seen in the centre of the field. (Drawing.) 



the stalk was separated or clamped, or in which an artificial tumour 

 was introduced. 



The operation was completed by the sewing of the temporal muscles in 

 place, and the closing of the skin incision. 



Alarming haemorrhage sometimes occurred during the operation, 

 especially in the older animals, but in all except one case this was 

 controlled without difficulty ; and probably there was a little careless- 

 ness in the case that was lost, for one had got used to checking the 

 haemorrhage easily with wool plugs, and had come to regard it as of little 

 consequence. Nevertheless, the operation was found to be much less 

 formidable than the previous descriptions of it led us to expect. Gushing 



