If, N 



3603-3631. Aptera (or Apterygogenea). Anoplura. 



Mallophaga. Thysanoptera (or Physo- 

 poda). Siphonaptera (or Aphaniptera). 



N.B. — The numbers 8603-5031 are devoted to 

 portions of Insecta. General works on Insecta as a 

 whole should be noticed in 2-403-2431, Arthropoda. 



3G03 Aptera, etc. CoMrREiiENSivE and General Works. 

 3G07 Aptera, etc. Structure. 



[For sub-divisions, see 0207.] 



3611 Aptera, etc. Physiology. 



[For sub-divisions, see 0211.] 



3615 Aptera, etc. Develop:\iext. 

 [For sub -divisions, see 0215.] 



3619 Aptera, etc. Ethology. 



[For sub-divisions, see 0219.] 



3623 Aptera, etc. Variation and .Etiology. 



[For sub-divisions, see 0223.] 



3627 Aptera, etc. Geography. 



[For sub-divisions, see J, 1 and 2.] 



3631 Aptera, etc. Taxonomy and Systematic. 



Aptera, proper, consists of Thysanura and Collembola. 



3803-3831. Orthoptera, Neuroptera and Trichoptera. 



The groups combined in 3803-3831 are only treated 

 tog'ether for practical convenience. Each slip under 

 these numbers must state which of the groups is 

 referred to. 



3803 Orthoptera, etc. General or Comprehensive 

 Works. 



3807 Orthoptera, etc. Structure. 

 [For sub-divisions, see 0207.] 



3811 Orthoptera, etc. Phy'siology 



[For sub-divisions, see 0211.] 



3815 Orthoptera, etc. Development. 

 [For sub-divisions, see 0215.] 



3819 Orthoptera, etc. Ethology. 

 [For sub-divisions, see 0219.] 



