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aperture j then inflate them, until they regain 

 their proper form, by means of a email glass 

 tube, then fill them with oil of spike in which 

 some resin is dissolved." 



To Preserve Caterpillars. The animal 

 must first be killed by immersion in spirits of 

 wine, then empty the contents of the body by 

 the gradual pressure of the finger and thumb, 

 beginning at the head, and pressing on to the 

 anus, at which part a small aperture should be 

 previously made. When the skin is cleared as 

 much as possible, introduce a piece of hay or 

 slender straw into the anus, round which, and 

 near to the extremity, pass loosely a fine thread ; 

 then blow through the tube, and when the skin 

 is fully inflated, withdraw it, at the same time 

 pulling the thread tight, and secure it by a knot. 

 The caterpillar will now exhibit its proper shape 

 and colours ; to retain which, all that is neces- 

 sary, is to hold it near the fire, until j)erfectly 

 dry, which will be in a few minutes. Another 

 method is, when the contents of the body arc 

 l2 



