392 INSECT MISCELLANIES. 



ties (Coleoptera). 1. Pentamera; 2. Heto- 



romera; 3. Tetramera; 4. Trimera. 

 6, With the under wings folded lengthwise (Or- 



thoptera). 

 Legs formed for running (Cursoria). 

 Legs formed for leaping (Saltatoria). 

 c, With a sucker enclosing several bristles (He- 



miptera). 1. Heteroptera ; 2. Homoptera. 

 B, Upper wings membranaceous. 

 a, Wings naked and netted (JVeuroptera). 1. Sub- 



ulicornes ; 2. Planipennes ; 3. Plicipennes, 

 hf Wings naked and veined (Hi/menoptera). 



1. Terebrantia ; 2. Aculeata. 

 c, Wings with dust-like scales (Lepidoptera). 



1. Diurna; 2. Crepuscularia ; 3. Nocturna. 

 With two twisted elytra and two wings (Rhi- 

 piptera). 



1. Xenos ; 2. Stylops. 

 ffith two icings (Diptera), 



Leaches Classification. 

 1. Insects undergoing no Transformation 

 [Ametaholia). 



1. With bristles at the tail (Thysanura). 



2. With no bristles at the tail (Anoplura). 



IL Insects undergoing Transformation [Meta- 

 bolia). 



1. With two wings folded crosswise, and covered 



with hard wing-cases (Coleoptera). 



2. With two wings folded lengthwise and crosswise, 



and short and softer wing-cases (Dermaptera). 



3. With two wings folded lengthwise, and wing 



cases overlapping each other at the edges 

 ( Orthoptera.) 



4. With two wings twice folded lengthwise, and 



wing-cases obliquely overlapping ; mouth with 

 jaws, (Dictyoptera.) 



5. With two wings, and overlapping wing-cases, 



having the apex membranaceous (Heiniptera.) 



6. With two wings, and coriaceous or membrana- 



ceous wing-cases ( Omoptera). 



7. With no wings nor wing-cases (Aptera). 



