56 



ENTOMOLOGY. 



Tabular View of the Orders of Insecta. 



I 



(3> 



I, 







a 



US 



e 



5- 



g. 







I- 



g 



53 



a 



Si 



1 



to 



8- 



a 



■§ 



o 













Metabola. 



Ametabola. 



Thysanura 

 (Campodea). 



Order I. Thysanura* {Spring-tails and Bristle-tails). 



The Thysanura are very primitive forms, are all wing- 

 less, with usually simple eyes, and undergo no metamor- 

 phosis. They usually live in damp places under stones, 



* Selected Works. 



Gervais, P., in Walckenaer, " Hist. Nat. des Insectes Apteres," iii. 



377 (1844). 

 Haliday, A. H. Iapyx, a new genus of insects, etc. (Trans. Linn. 



Soc, London, xxiv., 18641. 

 Lubbock, J. Monograph of the Collembola and Thysanura (Roy. Soc, 



London, 1873). 

 Meinert, F. Campodea', a family of Thysanura (Naturhist. Tids- 



skrift, Copenhagen, 1865) (Swedish and Latin). 

 Nicolet, H. Recherche* but les Podurelles (Neuchatel, 1842). 

 Packard, A. S Bristle-tails and Spring-tails {Amer. Nat., v., 1871), 



and " Our Common Insects " (18731. 

 Synopsis of the Thysanura of Essex County, Mass. (5th Rep. Peab. 



Acad. Sc, Salem, 1872). 

 Tullberg, J. F. Swedish Poduridse (Stockholm, 1872). 

 Collembola boreali (Roy. Swedish Acad., Stockholm, 1876). 



