THE LOCALITY SYSTEM. 443 



tion by every genuine inquirer, as a mine of information 

 altogether miraculous as the production of one man. 



A Idrovan d's Cla ssification. 



I. Land Insects (Terrestria). 



1. With feet (Vedai^):— 



a. With wings (Alata). 

 Without wing-cases (Anelytra). 



With membranaceous wings (Memhranacea). 



Honey-making (Favifica). 



Not honey-making CiVo;^/av//ica^. 



With scaly wings (Farinosa). 



With wing-cases (Elytrota). 



b. Without wings (Ajjtera). 

 With few feet (Paucipeda). 

 With many feet (Multipeda). 



2. Without feet f Apodaj). 



II. Water Insects (Aquatica). 



1. With feet (VedidQ.) ;— 



a. With few feet (Paucipeda). 

 h. With many feet (Multipeda). 



2. Without feet (^Apoda^. 



Vallisnieris Classification. 

 I. Plant Insects (Insetti, che annidano nelle pianti e le divorano). 



II. Water insects (Insetti, che nuotano, crescono, vivono, e sempre dimorano 



lie soli ftuidi). 



III. Insects inhabiting Earthy or Mineral Substances (Insetti, che si 



trovano dentro i marmi, sassi, crete, ossa, e conchiglie). 



IV. Insects inhabiting Living Animals (Insetti, che fanno dentro, a 



sopra i viventi*). 



Fabricius's Geographical Classification. 

 This celebrated systematic writer divides the globe into 

 eight insect climates : — • 



1. Indian, 5. Northern. 



2. Egyptian. G. Oriental. 



3. Southern. 7. Occidental. 



4. Mediterranean. 8. Alpine. 



Latreille's Geographical Classification. 

 This celebrated French systematist has written a curious 

 and ingenious paper on the Geography of Insects, as a 



** Esperienze ed Osservazioni, pp. 42, 43 ; 4to., Padova, 172G. 



