XIV SYNOPSIS. 



of the imago, 149. Chrysomelid^, 149. Rapid spread of the 

 potato-beetle, 149. Structure and development, 150. Original 

 home of insect, 150. ScarabneidiE, 151. Huge size of the 

 South American Dynastes, 151. Stag-like horns of the males 

 of some Lamellicorns, 151, Darwin's tigures, 151. Lampyridae, 

 151. Luminous organs, 151, Views on cause of phosphores- 

 cence, 151. Dimmock's observation, 152. Wingless females or 

 "glow-worms," 152; larva-like condition of these adults, 152. 

 Dermestidce, 153. Size and markings of the carpet-beetle, 153. 

 Characters of the larvae; preventives against their attacks, 153, 



154. Pollen-feeding habits of the adults, 154. Entomological 

 collections destroyed by species of Dermestidae, 154; disinfect- 

 ing cones, bisulphide of carbon and other preventives, 154. Coc- 

 cinellidae, 155. Structure of the adult and larva, 155. Gyrinidae, 



155. Interesting habits observed in the school-room, 155. Pe- 

 culiar structure of eyes, 155. Respiration, 156; abdominal respi- 

 ratory organs of larva, 156. Remarkable modification of mouth 

 parts in Dytiscidae, 156. Carabidae and Cicindelidae, 156, 157. 

 Parasitic Coleoptera, 157. Effects of specialization by reduction 

 resulting from parasitic habits of the larva, 157. Life-history of 

 Epicauta, 157-159. Significance of term " hypermetamor- 

 phosis," 159. Reduction in size and number of wings in Meloe 

 and Hornia, 159. Life-history of Meloe and Sitaris, 159, 160. 

 Quiescent stage a natural consequence of a gorged condition of 

 the tissues, 160; period of development, but not of growth, 160; 

 habits leading to quiescent larval or pseudo-pupal stage in 

 Meloe and Sitaris comparable to those which precede the true 

 pupal stage in other groups, 160. Nemognatha, a Coleopteron 

 with a Lepidopterous proboscis, 161; H. MUller's view, 161. 

 Stylopidae, 161. Degraded structure of the female Stylops, 161. 

 Mesothorax of the male with halteres, metathorax with fan- 

 shaped wings, 162. The Stylopidae viviparous, 162; young 

 larva hexapod, mature larva a footless grub, 162. Ceramby- 

 cidae or Borers, 163. Characters of thorax, 163. Structure of 

 antennae, significance of term " Longicorns," 163. Grubs with 

 scarcely perceptible feet, or entirely footless, 164. Curculionidae, 

 164. Proboscis performing the additional work of an oviposi- 

 tor, functions of organs not invariable, 164; unexpected modi- 



