nK(ID(IRIZlN{; THE ^KtlNK 



21. ■ 



llnbber gloves shonl.l 1„> woni l)y the operator aiul hotli assistants. The 

 slvunk is readily placed under general anestliesia by the use of ether wlien 

 .sueh is desired. The animal is earefuily plaeed nnder tlie g'hiss, after which 

 one assistant shoidd grasp the head and fore feet and the otluT assistant 

 tlie lund feet, and hold the posterior parts in such a position as to cause 

 the discharged scent tluid to be deposited against the nnder side of the 

 glass. Most of the fluid will be discharged at this time (piite promiitly, and 



Kig, I'll! — Posterior aspect of the slvunk. A, Anns; B-B, anal glands. 



very little will be kept in reser^'c. In fact, the o])eralion cotdd be pro- 

 ceeded with to eompletioii without the glass. 



Instruiiieiifs — 1. .Scal]iel. 2. Rat-tooth hemostatic forceps. ;>. Curved 

 scissors (Fig. 85). 



Anatoiinj — The anus is a large irregular elliptical depression surrounded 

 by loose flabby skin which bulges over the site of the anal (scent) glands. 

 These glands are two in number located on each side (laterally) of the 

 anus. There is about one-half inch sjiaee between the aims and the center 

 of the anal glands. 



The seent-secreting apparatus is large, and consists of numerous small 

 glands — closely associated — surrounding a sac or reservoir for storing up 

 the fluid. Tlie-^' are covered by skin, suljcutaneous connective tissue, and 



