DIALOGUE XIL 
DEFINITION OF THE TERM GENUS. DIS- 
TINGUISHING MARKS OF THE FIRST OR- 
DER, COLEOPTERA. ELYTRA. THORAX* 
ANTENNiE. 
LUCY, Mamma, I believe that I 
remember all yoa told me yesterday of 
the vegetable and animal kingdoms, and 
of their being divided into classes, and 
the classes into orders, the orders into 
genera, and the genera into species. 
Mother, You have recollected very 
distinctly what 1 told you of these di- 
visions ; but do yoa understand the 
meaning of genera? 
Lucy, I do not think you explained 
the exact meaning of that word ; but I 
believe it is something like kind, as the 
