76 INTRODUCTION. 



N. Larvae terricolae. Agrotis suffusa. 



O largo-striatse. 



P obliquostriatae. Phlogophera meticulosa. 



Q arcto-striatae. Leucania comma. 



R scutellatae. Cerastis vaccinii. 



S ochrocephalae. Xanthea citrago. 



T larvicidse. 



V furtivae. Apamcea lairuncula. 



W curvilineatae. Heliothis Ononis. 



X ciliatse. Catocola Fraxini. 



Y pseudo-geometricae. Abrostola triplasia. 



3. Larvae with Twelve Feet. 



Z semigeometrae. Plusia Festucos. 



A. A. ... serpentinae. Ophiusa lunaris. 



In like manner the Geometrse are thus divided :— 



1. Larvae with Twelve Feet. 

 A. Larvae seminoetuales. Ellopia margaritaria. 



B stoloniformes. Geometra cythisaria. 



C corticinae. Amphidasis hirtaria. 



D pedunculares. Boarmia roboraria. 



E surculiformes. 



F ramiformes. Ennomos alniaria. 



O striatae. Hybernia defoliaria. 



H strigillatae. Cabera penaularia. 



1 rigidae. Gnophos pullata. 



K noctulformes. Acidalia rkamnata. 



L rugosae. Larentia bipunctata. 



M squamosae. Cidaria fulvata. 



N signatae. Zerene adustata. 



O punctatae. Idcea dealbata. 



P filiformes. PeUonia vibicaria. 



Dr. Horsfield had conceived a method of arrange- 

 ment similar to the above, and began to act on it 



