INDEX 



133 



Phagocytic organs, 33, 36 

 Pheromones, 78, 93 

 Phlebotonuis, 45 

 Phobotaxis, 1 16 

 Phot inns, 117 

 Phytonomus, 67 

 Pieridae, 81 



Pier is, 3\, 81,95, 103, 126 

 Pigments, 57, 79 



of blood, 35 

 Plasmatocytes, 32 

 Plastron, 24 



PLATEAU, 47 



Platymeris, 46 

 Pleuropodia, 10 

 Polyembryony, 104 

 Polymorphism, 94, 105 

 Polypedilum, 72 

 Polyspermy, 101 

 Popillia, 49, 72 

 Pore-canals, 1, 7 

 Postural hairs, 119 

 poulton, 81 

 Proleucocytes, 32 

 Proprioception, 119 

 Prothetely, 88 

 Prothoracic gland, 86 

 Proventriculus, 42 



PRZIBRAM, 84 



Pseudonuclei, 56 

 Pterin, 57, 79 

 Ptilinum, 10 

 Ptinus, 71 



Pulsatile organs, 28 

 Pulvilli, 6 



Pupa, emergence from, 8 

 Pupal metabolism, 76 

 Pupal stage, 87 

 Pupipara, 51, 70, 104 

 Pyrameis, 122 



Queen substance, 94 

 Quiescence, 94 



Reaction of gut, 47 



of urine, 60 

 Rectal glands, 63 

 Rectum, 63 

 Reflexes, 113, 115 

 Regeneration, 90 

 Reproduction, 97 



Resilm, 3, X 

 Respiration, 12 



of aquatic insects, 21 



cutaneous, 23, 26 



function of blood in, 35 



of parasites, 26 



regulation of, 19 

 Respiratory centres, 16, 19, 113 



metabolism, 74 



movements, 18 



quotient, 74 

 Retinene, 126 

 Rhabdom, 125 

 Rhodnius, 1, 4, 6, 16, 37, 41, 60, 65, 



70, 86, 87, 100, 102, 124 

 Ri'ooflavine, 59 

 Ring gland, 86 

 Royal jelly, 93 



Salivary glands, 45 



Samia, 80 



Schistocerca, 19, 52, 66, 103 



Schwann cells, 113 



Sclerotin, 2, 8 



Scolopidia, 119 



Secondary sexual characters, 92 



Secretion, 46 



Sense organs, 1 1 8 



Sensory neurones, 112 



Serica, 11 



Sex determination, 91 



Sexual attractants, 78, 99 



Shellac, 4, 78 



Sialis, 59, 66 



Silk', 67, 78 



Silk glands, 46, 67 



Silkworm, 49 



Simulium, 25 



Simultaneous contrast, 127 



Sisyra, 67 



Sitodrepa, 71 



Smell, 121 



Sminthurus, 72 



Spermatheca, 98 



Spermatophore, 100 



Spermatozoa, 100 



Sphinx, 30 



Sphodromantis, 84 



Spiracles, function of, 16, 19 



Spiral filament, 12 



Stemmata, 123 



