FIXING AND PRESERVATIVE MEDIUMS 57 



qualities for it, and say that it is also of value in the tanning 

 of hides. 



45. — Boracic Acid Solution 



Boracic acid . . . . .1 part 



Saturated solution of saltpetre . . -50 parts 



This preparation is said to preserve flesh ; not, however, if 

 this has been salted, as salt destroys or nullifies the action of 

 the acid phosphates. 



46. — Preservative (provisional) for Larvse (M.B.) 



Boracic acid . . . . i grain 



Water . . . . • \ P™*^ 



It is not claimed that this will preserve the colours for any 

 length of time, but it preserves the greens and reds of naked 

 larvae for a sufficient time (a week or so) for models, etc., to be 

 coloured therefrom. 



47. — Messrs. Medlock and Bailey's Formula 



Bisulphite of lime . . . .1 gal. 



Common salt . . . . . \ pint 



Water ..... 2-4 gals. 



It is claimed for this that it will preserve large masses of 

 flesh and fish for some considerable time. 



Sodium Chloride [Common Salt). — This, either as bay salt 

 or the ordinary table -salt, is, it need hardly be stated, of 

 paramount importance to the taxidermist who wishes to preserve 

 bodies of various small animals for a certain time, until they 

 can be properly treated, and it is shown in these pages to be, 

 in combination with other things, an efficient preservative. 



48. — Saline Solution 



Common salt . . . . .10 parts 



Water . . . 90 „ 



