ii6 THE CULTURE 



in their ficknefsj and in half an hours 

 time they fall eagerly on their food. 



In the above defcription obferve, that 

 the fwelling of their heads is the obvious 

 fign of their approaching diforder; their 

 motionlefs fituation with their heads erec- 

 ted fhev^s their continuance in the height 

 of it ; and the light colour about their 

 necks, their motion, and beginning to eat, 

 fhews their recovery. 



Though they fall into their ficknefs by 

 foiTie degrees, yet their recovery is almofl 

 inflantaneous J for from the time that 

 they begin to throw off their Ikins till it 

 is quite off, is oft only about two or three 

 minutes fpace. They caft it by fixing their 

 tail to the leafy fibres, and then moving 

 their body forward, after which they feem 

 to reft themfelves for a fliort time, and 

 then begin to eat. 



Having fed about three days, they be- 

 gin to fall into their fecond ficknefs with 

 much the fame appearances as the firft, 

 and lafting the fame time, viz. three days, 

 therefore it need not be particularly defcrib- 

 ed J only obferve that though they are faid 

 to be well and feed three days, and to faft 

 and lie motionlefs for three days more, yet 



this 



