MECIIAMCAL EXTRACT ION OF THE FCETUS. 



505 



which, di-awinjj; lij^htly on the three cords, keeps them sufTiciently tij^ht. 

 The runner should be at the wrist, the button of the nose-loop towards 

 the hand. 



The apparatus being so disposed, the hand is introduced sideways 

 (little linger downwards) into the vagina, until it arrives at the head of 

 the f(ctus ; then the nose of the latter is passed into the head-stall loop, 

 which is pushed forward by one side of the face — say the right — towards 

 the neck and over the ear ; the other half being now carried on the 

 opposite side towards the left ear, and then the runner is seized below 

 the jaw. In tliis way the hand has passed round the length of the 

 head-stall from its fixed to its movable part — the latter readily allowing 

 the loop to enlarge and pass over the salient portions of the head, the 

 loop being nevertheless kept sufliciently tense by the right hand pushing 

 the runner up towards the throat ; while the left hand, pulling at the 

 movable cord — recognised by the knot at its end — tightens it as much 

 as may be necessary. The nose-loop is placed by introducing the 



Fig. 1G2. 



ScH.\ACK's H.\I.TKK TLACKIi ON A CaLK'S HeAD, THE RlGHT FoRK-PaSTKRN 

 liEIXf; ALSO CORDED. 



index-finger of the right hand under the button, and drawing the loop 

 through the runner to a suflicient length, the left hand keeping the 

 other two cords tight ; the end of the nose is passed into the loop, which 

 is lifted as high as need be. This done, the right hand is withdrawn 

 from the uterus and vagina, along, while keeping tight, the three cords. 

 These are tied together in a knot outside the vulva, and the head is thus 

 securely and solidly fixed. 



Saint-Cyr and others highly recommend this apparatus, which in its 

 modified form difl'ers but little from tliat described by Binz some years 

 previously. He remarks that its extreme simplicity, its trifling cost, 

 the facility with which it can be placed after a little practice, its 

 solidity — which enables it to withstand any amount of traction — and its 

 absolute innocuousness, all combine to render it one of the best and 

 most precious instruments required in veterinary obstetricy. In the 

 first place, when it is properly applied it cannot slip, and all the amount 

 of force necessary under the circumstances may be employed without 



