PLATK LXXXIX. 



FIG. 224.-Skull of rabbit seen from Vinnd. p p. Parietal 

 bones; i, interiwuietal bone; In-low ;', necipitiil tubercle; above 

 P, occipital protuberance. Half-way between the tubercle and 

 the protuberance is the point at which the U.ne must be per- 

 forated in the operation for producing glycosuria ( 50). 



FIG. 222. SprengeVs blower (| 49)- 



FIG. 225. Excitor. The wires are of copper, with platinum i>ints. Their sheaths are made of bits of flexible 

 catheter, and are bound together with waxed silk ( 51). 



FIC. 226. Parts exposed in the rabbit by an inciMon extciidiiiu' from tin- thyroid cartilage to tin 

 the left ear. vj. Bifurcation of the jugular vein; j>ff, posterior facial vein; ;< a r. po>-irr:..r auricular 

 vein; afv, anterior facial vein ; n a m. great auriciilar ncr\c, her. -ii . n i.-r..- at !,.- iteri..r 

 the stemo-iuastoid muscle ( 53)- 



