INDEX 



Every reference is to the page : words in italics are names of genera or species ; figures 

 in italics indicate that the reference relates to systematic position ; figures iu thick 

 type refer to an illustration ; f. = and iu following page or pages. 



Abdomen, 109 ; of Hymenoptera, 492 f. 



Abdominal appendages, 188, 189, 190 



Acantherpestes, 74, 76 



Accessory glands, 392, 404 



Acheta, 330, 338 



Achorutes murorum, 194 



Acini, 126 



Acoustic orifice, 317 



Acridiidae, SOI, 279-310, 309 



Acridiides, 310 



Acridium peregrinum, 298 ; growth, 166 ; 

 at sea, 297 — see also Schistocerca 



Acrophyllides, 27S 



Aculeata, 5S0 



Aculeates and Proctotrypids, 535, 564 



Adler, on alternation of generations, 530 ; 

 on galls, 526 f. ; on useless males, 498 



Aeschna cyanea, 412 ; A. grandis, labium, 

 411 ; nymph, 420, 421 



Aeschninae, 416, 4^6 



Agaonides, 5^7 



Agathemera, 274, 276 



Agrion nymph, 426 



Agrion pidchellum, 412 



Agrioninae, 412, 4S6 



Agriotyijides, 657 



Agriotypus armatus, 557 



Air sacs, 128, 282, 283, 294, 495 



Alaptus excisus, 537 ; A. fusculus, 538 



Alar organs, of earwigs, 206 ; of Blattidae, 

 225 ; of Mantidae, 245 ; of Phasmidae, 

 269 ; of Acridiidae, 281 ; development 

 of, in earwigs, 212 ; in Mantidae, 248 

 — see also Tegmina, Wings, Elytra 



Alary muscles, 134 



Albarda on Eaphidiides, J^S 



Alder flies, 444 



Aleuropteryx, 471 



AUmentary canal, 123-127, 403, 446 ; of 

 may - flies, 438 f. ; of Panorpa, 450 ; 

 closed, 457, 466, 496, 544 



Alitrunk, 489 f., 490, 492 



Alloea, 561 



Alternation of generations, 497, 530 



Amber, Myriapods in, 74, 76, 77 ; Insects, 



179 ; Aptera, 196 ; Blattidae, 239 ; 



Mantidae, 258 ; Phasmidae, 276 ; Pso- 



cidae, 397 ; Perlidae, 407 ; Phryganeidae, 



485 ; Tenthredinidae, 518 ; Cynipidae, 



533 

 Ambua, 40 

 Ameles, 245 

 Ametabola, 158, 174 

 Amnion, 148, 545 

 Amnios, 291 



Amorphoscelides, 251, S59 

 Amorphoscelis annulicornis, 251 

 Amphibiotica, 342 

 Aviphientomu7)i paradoxiim, 397 

 Ampidex, abdomeUj 492 

 Ampulla, 290 

 Amylispes, 76 

 Anabolia furcata, mouth-parts, 475 ; A. 



nervosa, larva, 476 

 Anairus purpurascens, 321 

 Anaplecta azteca, folded wing, 227 

 Anaplectinae, 240 

 Anatomy — see External Structure and 



Internal Anatomy 

 Anaxformosus, 410, 414 

 Anderson, Dr. J., on Gongylus, 254 

 Anechura scabriuscula, 208 

 Anisolabis maritima, 205 ; A. moesta, 205 ; 



A. tasmanica, 216 

 Anisom&rpha pardalina, 274 

 Anisomorphides, 27S 

 Anisopterides, 412, 414^ 426 ; nymphs, 



421 

 Anmnalmi, metamorphosis, 552 

 Anomalopteryx, 484 

 Anostostoma australasiae, 326 

 Anoura, 190 



