252 



INDEX. 



Organization of Mantidx, as a wliole, 12 

 is in conformity with a carnivorous life, 



9, 12, 13 

 is superior, 12 

 Organs of flight of Mantida>, 13 

 Ornithoptera, the Bird-winged Butter- 

 flies, 177, 181 

 Oviposition in Acridiidse, 94 ; gonapo- 

 physes, deposition of eggs, use of 

 fluid discharged, soil preferred, time 

 required for, extent of period, number 

 of egg-masses, 95, 96 

 in Mantidoe, 16 

 in Phasmidse, 53-55 



Pachytylus duerascevs, 107, loS 

 marmoratus, 107 

 migi-aiorius, 107, 108 

 Packard, on arrangement of air-sacs in 



Rocky Mountain Locust, 85 

 Pages. See Uraniida? 

 Pamphagides, 135 



Saussure, de, on their geographical 

 distribution, 136 

 Paonias and Calasymbolus, extremely 



beautiful genera, 228 

 Papilio memnofi, remarkable variety in 



the form of the females, 181, 182 

 Papilios in Nicaragua, sucking up 



moisture, 178 

 Parasites, of eggs of Mantida.^, 21 



of eggs of Acridiida:, 98 

 Peringueyella, its slender stick-like forms, 



155 

 Periodicity, no law of, governing de- 

 structive flights of locusts, III 

 Phantasis, absence of elytra in, 43 

 Phasmidre, general peculiarities. 41 

 appearance grotesque, 41 

 distribution of, 76 

 enemies of, 48 



Phasmid^e, marvellous imitative resem- 

 blance of vegetative objects, 60 

 modification for aquatic life, 50 

 Phylliides, the tribe, 41, 68 

 Phyllium, moults of, 56-58 

 number of species known, 68 

 seasonal change of colour in, 57, 102 

 specimens exhibited in Paris, 74 

 the genus confined to tropics of Old 

 World, 68 

 Plant Types of Mantidoe, 26 



their presentment of the phenomenon 

 of Protective and Aggressive Re- 

 semblance, 25-27, 30, 35 

 Pneumorides, 132, 134 



Pneumora scuiellaris, 135 

 Podacanthus, 47, 64, 76 

 Post-embryonic development, of Acri- 

 diidre, loi ; change of colour in 

 course of development, lOl, 102 

 of Phasmidce, 56 ; number of moults, 

 56 

 Poullon on disajipearance of beauty of 



male Moths, 214 

 Prisopi, the, aquatic habits of, 50 

 Procliilits australis, resemblance to Phas- 



midce, 155 

 Proscopides, 132 



Protective and Aggressive Resemblance 

 of Orthoptera, 25, 60, 67, 132, 136, 



139. 153. 154 

 Prothorax of Mantidn:, modification of, 

 1 1 



its development shows its importance, 

 12 



its remarkable elongation and mobility, 

 II, 12 ; to what due, 12 

 Psychidce, the Case Moths, 203 



change to imago, 206, 211, 216; sup- 

 posed assistance of long sticks at 

 event, 212 ; subsequent life of male, 

 and general characters, 212, 213 



coming of age of male, preparation for 

 pupal sleep, 211 



