CONTENTS XV 



CHAPTER XXVII 



APPENDIX TO ARACHNIDA 



PAGES 



OrAcr Petifastomida : Lingttatula, Porocefihaltts, and Keighardia 302-304 

 CHAPTER XXVni 



CENTIPEDES AND MILLIPEDES 



Centipedes : Structure, Habits, " Bite," Classification and Distri- 

 bution. Millipedes ...... 305-309 



CHAPTER XXIX 



THE CLASS CRUSTACEA 



Structure and Economics. Cofepoda: Cyclops, Structure, 

 Development, and Relation to Guinea-worm. Other Orders 

 of Crustacea ....... 310-32^ 



ELEMENTS OF BIBLIOGRAPHY 



Literature of the General Subject : of Insects in General : of 

 Diptera in General : of Mosquitoes and Blood-sucking 

 Midges : of other Blood-sucking Flies : of other Noxious 

 Diptera : of Bugs : of Lice : of Fleas : of Arachnida in 

 General : of Scorpions and Solifuga : of Spiders : of Acarina 

 in General : of Ixodidse : of Mites : of Pentastomida : of 

 Crustacea: of Centipedes ..... 325-331 



Index ........ 333-347 



