INDEX 



581 



centrum, 313 ; on ovipositing of locust, 

 290 ; on subimago, 437 ; on Thalessa, 

 554 



Ritsema on Enoicyla, 481 



Ronalds on anglers' liies, 441 



Roux on Necrophilus, 462 



Royal pairs, 377 



Riihl on earwig, 213 



Sacs see Air Sacs 



Sagides, 3:28 



Salivary glands, 124, 126, 187, 210, 228, 



246, 283, 335, 348, 353, 403, 414, 495 ; 



of Peripatus, 11 ; of Myriapods, 48, 



49 

 Salivary receptacle, or reservoir, 126, 228, 



246, 335, 348, 360 

 Saltatoria (Orthoptera), 201 

 Sandwich Islands see Hawaiian Islands 

 Saunders, Sir Sydney, on Scleroderma, 



536 ; on caprification, 548 

 Sanssure, H. tie see De Saussure 

 Savage on Termites, 368 

 Saw, 493, 512 



Sawflies see Tenthredinidae 



Scales, 185, 189, 397 

 Scapteriscus, 334 

 Scelimena, 301 

 Schindler on Malpighian tubes, 246 ; of 



Gryllotalpa, 335 

 Schistocerca peregrina, 298 ; development. 



287 ; *S'. aviericcma, 298, 308 

 Schizodctctylus monstrosus, 325 

 Schizoplithalmi, 459 



Schizotarsia, 35, 4.6, 57, 58, 70, 75 ; struc- 

 ture, 59 

 Schletterer on parasitic Hymenoptera, 663, 



563 

 Sclerite, 91 

 Scleroderma, 536 

 Scolia, ovaries, 138 

 Scolopendra, 30, 31, 32, 41, 78 

 Scolopendrella, 47, 61 

 Scolopendrellidae, 33, 42, 46 

 Scolopendridae, 31, 33, 39, 45, 75 ; sper- 



matopliores, 39 

 Scorpion-flies, 449 f. 

 Scudder, on grasshopper music, 287 ; on 



Katydids' music, 320 ; on locusts at 



sea, 297 ; on reproduction of lost limbs, 



265 ; on fossil Insects, 486 ; on fossil 



earwigs, 216 ; on fossil may-flies, 443 ; 



on fossil Sialidae, 449 ; on Tertiary 



Insects, 179 

 Scutellum, 100, 101 

 Scutigera, 35, 36, 48 ; sense organ, 51 

 Scutigeridae, 35, 36, 40, 46, 50 

 Scutum, 100, 101 

 Secondary, 427, 472 ; larva, 542 

 Securifera, 503 

 Segmentation, 149, 237 ; of ovum of 



Smicra, 545 



Segments, 88, 90 ; number of, 87 



Selys, De, on dragon-flies, 425, 427 



Semi-pupa, 497 



Sense organs, 121-123 



Senses, 541, 544, 553 



Sericostomatides, 474, 482 



Series, 177, 201 



Serosa, 148 



Serrifera, 503 



Sessile abdomen, 493 



Sessiliventres, 492, 496, 503 



Sex, 498, 499, 500 



Sexes, 137 



Sexual organs, external, 141 



Shaw on Orthoptera, 201 



Sialidae, 407, 444 



Sialides, 444 



Sialis hitaria, 444 ; eggs, 445, larva, 445 , 



tracheal gill, 446 

 Silk, 127 



Silo, parasite of, 558 

 Silurian Insect, 238 

 Silver fish, 186 



Simple eyes, 97, 184 see also Ocelli 

 Sin el, on marine Geophilus, 30 

 Siphonaptera, 174, 1^^ 

 Sir ex, habits of its parasite, 554 ; S. augur, 



509 ; ;S^. gigas, 508, 510 ; S. juvencus, 



508 

 Siricidae, 507 ; parasites of, 563 

 Siricides, 510 



Sisyra, 467 ; *S^. fuscata larva, 467 

 Sisyrina, 467 



Sitaris huvieralis, early stages, 159 

 Sloane, Sir Hans, on locusts at sea, 297 

 Smallest Insect, 537 

 Smeathman on Termites, 366 f., 381, 383, 



387 

 Sviicra clavipes embryology, 545 . 

 Smith, F., on Cynips, 530 ; on Trigonalys, 



564 

 Smynthuridae, 191 

 Smynthurus vaHegatus, 191.; S. fuscus, 



192 

 Snow-Insects, 194 

 Social, Insects, 85, 361, 369 ; Hymenoptera, 



488, 500 f. 

 Soldiers, 370, 371, 372 

 Somites, 87 



Sommer on Macrotoma, 163, 195 

 Soothsayers, 242 

 Sound production, 358 see also Phona- 



tion 

 Spathius, 561 



Species, number of see Number 

 Spencer, Herbert, on caste and sex, 500 

 Spermatheca, 139, 228, 499 

 Spermatophores, 10, 39 

 Spermatozoa, 140 

 Sphaeropsocus kunoioii, 397 

 Sphaerotheriwn, 43 

 Sphex chrysis, 490 



