THE OVARY, OR EGG SYSTEM. 447 



9. With many jaws, without the lip closing the mouth (Kleisfag- 



natlia). 

 10. With many jaws without the lip, covered by palpi (Exoch- 

 nata). 



D. 



11. Mouth with a spiral tongue, between reflected palpi— butterflies 



and moths (Glossata). 



12. Mouth with a rostrum and a jointed sheatli — bugs, &c. 



(Eijngota). 



13. Mouth with a sucker without joints — flies, &c, (Antliata). 



Cuviers Classification. 

 I. Insects with Jaws. 



1. Without wings — crabs, spiders (G-nathoptera). 



2. With fom- equal wings — di'agon-flies, &c. (Neuroptera). 



3. With four unequal wings— bees, wasps (Hijmenoptera). 



4. With wing-cases — beetles (Coleoptera). 



5. With fom- straight wings — crickets, &c. (OrtJioptera). 

 II. Insects without Jaws. 



1. With upper wings of unequal consistence — bugs, &c. (Hemiptera). 



2. With powdery wings — butterflies and moths (Lepidoptera). 



3. With two wings — flies, &c. (Diptera). 



4. Without wings— fleas, mites, &c. (Aptera). 



Lamarck's Classification. 

 I. Insects with Jaws. 



1. With wing-cases — beetles (Coleoptera). 



2. With straight wings — crickets, &c. (Orthoptera). 



3. With four equal wings— dragon- flies, (Neuroptera). 

 II Insects with Jaws and a sort of Sucker. 



4. With fom- unequal wings — bees, &c. (Hymenoptera). 

 III. Insects with no Jaws, but having a Sucker. 



5. With j)owdery wings — moths, &c. (Lepidoptera). 



6. With upper wings of unequal consistence — bugs, &c. (Hemi- 



ptera). 



7. With two wings — flies, &c. (Diptera). 



8. Without wings (Apdera). 



The Ovary, or Egg System. 

 It has been recently proposed to arrange all animals ac- 

 cording to the structure, &c., of their eggs (ova) ; and, in 

 accordance with this principle, an ingenious arrangement 

 has been constructed by a venerable and enthusiastic 

 inquirer, from which we shall give what relates to certain 

 insects forming the eighth class. 



