ILLUSTRATIONS 



xvii 



FIG. 



I69. 



170. 



I 7 I. 



172. 



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177- 

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21 1 



2 1 2 



Eurypterus fischeri 



Longitudinal section of lung book of 

 Trachea of caterpillar . 

 Diagram of structure of scorpion 

 Chelifer bravaisii . 

 Phrynus 



Galleodes dastugnei 

 Oligolophus spin os us 

 Epeira diadema . 

 Nest of trapdoor spider 

 Demodex folliculorum . 

 Sarcoples scabicei . 

 Dermacentor americanus 

 Pentastomum tcenioides 

 Nymphon hispidium 

 Macrobiotus hufelandi . 

 PeripaUis capensis 

 Peripatits capensis, dissected 

 Scolopendra . 

 lulus terrestris 

 Melolontha vulgaris 

 .Mouth parts of cockroach 

 Various forms of insect legs 

 Periplaneta, dissected 

 Lepisma 



Ephemera and larva 

 bis. Ephemera vulgata 

 AUschna cyanea 

 Termes lucifugus . 

 Mantis rzligiosa . 

 Labidura riparia 

 Periplaneta orientalis 

 Diapheromera ft moral 'a 

 Phyllium siccifolium 

 Gryllus domesticus 

 Locusta 

 Coccus cacti . 

 Aphis roses . 

 Phylloxera 7 'astatrix 

 Enchenopa . 

 Cicada . 

 Belostoma 

 Acanthia lectularia 

 Myrmeleon formiearius 

 Panorpa communis 



spid 



ler 



'75 

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'85 



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