352 



ANATOMY OF THE DOMESTIC FOWL 



of the manometer. It is necessary to have a pinch cock, as indi- 

 cated at No. II, to control the liquid within the tube. No. 12 

 illustrates the tube in the end of which. No. 13, there is inserted a 



_Az!! 



Fig. 84. — Photograph showing injection apparatus, dissection instruments, 

 dissection pan and death chamber. 

 I. Pump. 2, Rubber tube leading from pump to compression chamber. 3, 

 Stop cock. 4, Compression air tank. 5, Pressure indicator. 6, Rubber tube 

 leading from pressure tank to manometer. 7. Top of mercury in manometer 

 tube. 8, Open end of glass tube showing scale in centimeters. 9, Tube lead- 

 ing from 4 to injection chamber. 10, Injection chamber containing injection 

 fluid. II, Pinch cock on rubber tube connecting injection chamber with. injec- 

 tion canula. 12, The tube. 13, Injectionxanula. 14, A metal dissection tray. 

 IS, Death chamber. 16, Base of same. 17, Rubber tube connecting gas cock 

 with death chamber. 18, Bone saw. 19, Bone cutter. 20, Scapula. 21, 

 Tenaculum. 22, Forceps. 23, Straight scissors. 24, Small pair of curved 

 scissors. 



trocar which is introduced into the artery and tightly tied with a 

 cord. 



A convenient dissection tray may be made from galvanized iron. 

 It should be 16 inches square and about i inch deep (Fig. 84, No. 14). 



