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Genus XIII.— Drusilla, Leach, canaliculata, exarata. 2. 
b. The head exserted, always broader than the base of the thorax. 
* The base and apex of the thorax of equal width ; the base 
of the elytra not folded ; the joints of the tarsi equal. 
Genus XIV.— Calodera, Mann, nigrita, protensa, testacea. 3. 
** The apex of the thorax broadest; the base of the elytra 
not folded; the first joint of the tarsi longer than that 
next following. 
Genus XV. —Falagria, Leach, sulcata, obscura, nigra, picea. 4. 
xh e a p ex 0 f the thorax narrow, stipitate; the base of the 
elytra folded. The joints of the tarsi equal. 
Genus XVI. —Autalia, Leach, rivularis, impressa. 2. 
