19. 



Family Z- — 1- Antennae *bur-jointed, with the tip clavate or^ 102 



knoblied. 2. Beak gutter-like with a three-jointed sheath ! MEMBRAN 

 (hdjiiini). 3. Tarsi three-jointed without foot pads, | ^-^^^l'^„ 



(This family has given the name bug to entire sub-order.) J i'am.r 



Famili/la.. — 1. Body wingless. 2. Thorax small and indistinct- 

 ly jointed. 3. Abdomen large, oval, and with nine seg- 

 ments. 4. Antennae filiform, five-jointed. 5. Eyes 

 minute, non-faceted. 6. Tarsi two-jointed, with a large 

 hook-like terminal joint bent back towards basal joint, j 

 7. Mouth-parts in form of beak, which is fleshy and re- j 

 tractile. 8. Body white and minute. J 



Family i. — 1 . Flattened body corneous. 

 3. Mandibles small like a hook, 

 thick. 5. Tarsi two-jointed. 



2. Head horizontal. 

 4. Limbs short and 



103 



PEDICU- 

 LIiN'A. 



(Lice.) 



104 

 MALLOPH- 



AGA. 

 (Bird-lice.) 



Sub-order VII.— ORTHOPTERA. 



Famihj Zi- — 1. Body somewhat cylindrical. 2. Head large and" 

 vertical. 3. Eyes elliptical: ocelli often wanting. 4. 

 Antennae long and filiform, and arise in front of and be 

 tween the eyes, 5. Wings of moderate size, net-veined, 

 lying flat on the back; fore pair ovate and hind pair trian- 

 gular. 6. Hind femora enlarged for leaping. 7. Gen- 

 ital armature largely developed, forming long and slender 

 stylets often as long as body. 



Family y^. — 1. Head large. 2. Body compressed. 3. Front 

 from being vertical often inclines inward owing to the 

 greatly enlarged vertex, which is oftpn prolonged into a 

 horn. 4. Eyes globular. 5. Antennae of great length. 

 6. Legs very long and slender. 7. Prothorax saddle- ! 

 sha])ed. 8. Wings thin, anterior pair slightly thickened; ' 

 hinder pair broad. 9. Base of upper pair of wings trans- 

 parent, forming a drum in males. 10. Abdomen not of 

 great length. 11. Ovipositor and male claspers greatly 

 developed. 



Family Q. — 1. Body much compressed. 2. Head large; front' 

 vertical. 3. Antennae short; greatest number of joints 

 twenty-four. 4. Prothorax very large, often reaching 



beyond the abdomen. 5. Wings deflexed. 5. Hind 

 legs enlarged for leaping. 7. Tarsi three-joiuted. 8. 

 Fore wings long and narrow; hind wings broadly triangu- 

 lar. 9. Pupae are distinguished from larvae in having 

 large wing-pads. 



Family ti- — 1- Body remarkably long and linear. 2. Wings 

 either aborted and very small or strikingly leaf-like. 3. 

 Head horizontal and long. 4. Antennae rather short. 

 5. Abdomen twice as long as rest of body. 6. Neither 

 raptorial as regards fore legs, nor vaultatorial like grass 

 hoppers. 



104 



GRYL- 

 LIDAE. 



(Crickets.) 



105 



LOCUS- 

 TARIAE. 



(Green Lo- 

 custs. 



106 

 ACRYDIL 



S(Grass- hop- 

 pers.) 



107 



PHAS- 

 MIDA. 



(Spectres.) 



