PAGE 



Gelechiidae 101 



Chrysopeleiidae 104. 



Oecophoridae 104 



Stenomidae 105 



Cosmopterygidae 106 



Elacliistidae 106 



Noctuoidea , 107 



Noctuidse 107 



Arctiidae H^ 



Liparidse 121 



Bombycoidea 123 



Lasiocampidae 123 



Bombycidae 124 



Notodontoidea 125 



Geometridas 126 



Notodontidae 132 



Dioptidae 134 



Sphingoidea 135 



Sphingidae 135 



Saturnioidea 140 



Hemileucidse 142 



Ceratocampidae 143 



SaturniidaB 144 



Phylogeny 147 



Acknowledgments 150 



Bibliography 152 



Plates 153 



ARTICLE III. A PRELIMINARY CLASSIFICATION OF DIPTERA, 

 EXCLUSIVE OF PUPIPARA, BASED UPON LARVAL AND PUPAL 

 CHARACTERS, WITH KEYS TO IMAGINES IN CERTAIN FAM- 

 ILIES. PART I. BY J. R. MALLOCH. (30 Plates) March, 1917.161-409 



Introduction 161 



Acknowledgments 163 



Habits and habitats of species 163 



Methods of collection and preservation 164 



Economic importance of the order 165 



Arrangement of families 168 



Scope of work 173 



Characters of the larvae 173 



Suborder Orthorrhapha 173 



Division Nematocera 173 



Division Brachycera 174 



