144 



PRACTICAL HISTOLOGY. 



oblong (Fig. 22, a), and are fixed there by turning 

 down the flaps cc (Fig. 22, b). 



Fig. 22. 



Embedding trough made from a piece of piper of the size shown in Fig. 

 21, with one side, b, completed; the other, , only half finished ; so as 

 to show the manner in which the corners are folded and fixed. 



The trough being ready, it is placed upon a flat 

 cork, and the next thing is to take the piece of tissue 

 (artery, for example) out of spirit and place it for a 

 minute or two on clean blotting-paper to remove the 

 excess of fluid; at the same time its surfaces should 



Fig. 23. 



Embedding trough of capsule metal placed on a cork, and with a piece of 

 tissue (artery) in situ All that is further necessary is to fill the trough 

 with melted wax-mass. 



on no account be allowed to become actually desic- 

 cated. A minnikin pin is then pii^s-jd for a good 

 part of its length through the piece near the end 

 furthest from that which it is desired to cut, and 



