THE ECLECTIC, OR MODERN SYSTEM, 391 

 THE ECLECTIC, OR MODERN SYSTEM. 



M. CLAIRVILLE appears to have first conceived the 

 idea of uniting the principles of several of the pre- 

 ceding- systems, an idea which has been followed up 

 by Latreille, Dr. Leach, and Mr. Stephens, 



Clairville 's Classification. 



I. WINGED INSECTS (Pterophora) . 



1. With jaws (Mandibulata) : 



a, With wing-cases (Elytroptera). 



b t With coriaceous wina;s (Deratoptera). 



c, With netted wings (Dictyoptera) . 



d, With veined wings (Phleboptera). 



2. With suckers (Haustellata) : 



a, Wings with poisers (Halteriptera) . 



b, Wings powdery (Lepidoptera) . 



c, Wings partly opaque and partly translucent 



(Hemimeroptera) . 



II. WINGLESS INSECTS (Aptera). 



1. With a sucker (Haustellata). 

 With a sharp sucker (Rophoptera) . 



2. With jaws (Mandibulata). 



With legs formed for running (Pododunera). 



Latreille' s Classification*. 



I. INSECTS WITH MORE THAN Six FEET, AND 

 WITHOUT WINGS (Myriapoda). 



1 . With many jaws wood-lice (Chilognatha). 



2. With many feet millepedes (Chilopoda). 



II. INSECTS WITH Six FEET. 

 Without wings : 



a, With organs of motion like feet (Thysanura). 

 by Mouth with a retractile sucker (Parasita). 

 c, External mouth with a jointed tube enclosing a 



sucker (Suctoria). 

 With four wings : 

 A y Upper wings crustaceous or coriaceous, at 



least at the base. 



a, With the under wings folded crosswise bee- 

 * Regne Animal, 8vo. Paris, 1829. 



