General Meeting, Feb. 1st, 1854. xci. 

 Fig; 1. 



surface divided into partitional scales ; there is no appearance 

 of legs, or feet, or antennas, or anything to denote a living 

 insect, but after closely watching the object a little, it is seen 

 to put out feet and change its position, and appear an active 

 living animal. 



Some are found to differ from others in external form, as 

 seen at c. d. ; the former appears to be the male and the 

 latter the female. 



The female after leading a locomotive existence for a short 

 time, at length, when she finds a suitable place, becomes 

 ' fixed and adheres to the leaf or stem from which it afterwards 

 derives its sustenance ; being already pregnant, the countless 

 eggs within its body enlarge by deriving their sustenance 

 from their parent, and becoming hatched inside its body, 

 consume all its internal structure, till at length, the parent 

 becomes nothing but a hollow shield or house in which its 

 progeny reside till sufficiently mature to go forth on their 

 own account, which they do by merely walking out from 

 under the edge of the scale ; it now happens that a sudden 

 change of temperature, or the accidental rubbing of one leaf 

 or stem against another during a strong breeze, detaches a 

 matured scale from the leaf, at the same time carrying the 



