INDEX 



219 



Ring-joints, 41 

 Rolleston, 107 

 Ruptor ovi, 171 



Salivary glands, 103, 104 



Saltitorial Orthoptera, 177 



Scape, 40 



Scarabeiform, 184 



Scent-glands of females, 100 



Schiodte, 88, 185 



Schneider, Anton, 192 



Schwabc, 150, 151 



Sclerites, 35 



Scolopale, 146 



Scolopendrella 23, 24 



Scolopophore, 146 



Scorpion, 9 



Scorpions, lateral ocelli of, 137 



Scudder, 92 , 



Scutellum, 50 



Scutigera forceps, 22 



Scutigerella, 24 



Scutum, 50 



Seaton, 139 



Second antecoxal piece, 54 



Secondary sexual characters. 157 



Sectorial cross-vein, 71 



Segmentation of the appendages, 34 



Segmentation of the body, 34 



Segments of the head, 47, 48 



Seiler, 139 



Seminal vesicle, 162 



Sense- cones, 131 



Sense-domes, 154, 155 



Sense-hairs, 33 



Sense-organs, classification of the, 129; 

 cuticular part of the, 130; of un- 

 known functions, 154 



Sensillum ampullaceum, 131 



Sensillum basiconicum, 131 



Sensillum cceloconicum. 131 



Sensillum chceticum, 131 



Sensillum placodeum, 131 



Sensillum trichodeum, 130, 132 



Serial veins, 67 



Serrate, 41 



Setaceous, 41 



Setae, 32 ; classification of, 33 ; taxono- 

 mic value of, 33 



Setiferous sense-organs, 130 



Sharp, David, figures from, 87, 89, 144; 

 quoted ,88, 93, 194 



Siebold, 92 



Siebold's organ, 152 



Sight, organs of, 134 



Silk-glands, cephalic, 103 



Silkworm, 114; sense hairs of the, 133 



Silvestri, F , 16,25, 113 



Simulium, 120; head of larva of, 200; 

 larva of, 1 1 1 



Small-intestine, 113 



Smell, organs of, 132 



Smynthurus, 115 



Snodgrass, 49, 50, 55, 57, 98 



Solpugida, 9 



Somites, 34 



Sow-bugs, 7 



Spematheca, 159 



Spermatazoa, 160 



Spermathecal gland, 160 



Spermatophores, 162 



Spiders, 9 



Spines, 32 



Spiracles, 52, 113, 114; structure of, 



116 



Spiracular musical organs, 91 

 Spirostreptus, 16 

 Spring of the Collembola, 76 

 Spurious vein, 70 

 Spurs, 32 

 Squamae, 60 



Squash-bug, egg-mass of the, 170 

 Stadia, 172 

 Stenobothrus, 82 

 Stenopelmatus, ventral aspect of the 



meta thorax of, 98 

 Sternellum, 52 

 Sternites, 35 

 Sternum, 34, 52 

 Stigma, 74 

 Stigmata, 113 

 Stink-glands, 102 

 Stipes, 44 

 Stomach, in 

 Stomodaeum, 108 

 Straus Durckheim, 40, 106, 121 

 Strepsiptera, 194 

 Stridulating organs, 81 ; of the Acridii- 



dae, 82; of the Gryllidae and the 



Locustidae, 83 

 Styli, 56, 76 

 Subcosta, 64 

 Subcostal fold, 73 

 Subgalea, 44 

 Submentum, 46 



Subcesophageal commissure, 125 

 Subcesophageal ganglion, 123, 124 

 Superimposed image, 143 

 Superlinguae, 43 

 Supplements, 70 

 Supra-tympanal or subgenual organ, 



Suspensoria of the 



thread-like, 163 

 Sutures, 35 

 Symphyla, 23 



Tabanus, wing of, 66 

 Tapetum, 144 

 Tardigrada, 11, 12 

 Tarsal claws, 58 

 Tarsus, 57 



viscera, 162; 



