548 



COMPARATIVE ANATOMY 



AmjihitriU, 1S3 



Anachwta, ISl 



Analges, 510 



Anceidce, 295 



Anchorella, S91 



Anchylostoiiuc, ISO 



A7idfoctonus, 509 



Anemonia, 71 



Anguillula aceti, 178 



Anilocra, S95 ; pleopoda, 324 



Atiisopoda, 293 



Anisospore, 20 



Annulata (Annelida), 180 ; diagram of 

 pharynx, 202, 203 ; section, 237 



Anomiira, 298 



Anonymus, 1S3 



Antennata, 438-508 



Antliea cereus, 50 



Anthemodes, 70 



Anthomedusce, 68 



Anthophora, 492 



Anthozoa, 70 



AntipatJiarict, 71 



Ajphanvptera, 44^ 



Aphctnoneura, ISl 



ApMdm, 440 



Aphis pelci/rgonii, tracheal system, 481 



Aphroditea, 182 



Aphrophora, J/Jfl 



Apidce, 442 



Apis i)ielifica, anatomy, 462, 463 ; sexual 

 organs, 487 



Aplysina, 62 



Apoda, 292 



Apolemia, 70 



Apneustic tracheal system, 481 



Apseudes, 293 ; auditory hair, 356 ; thor- 

 acic limhs, 318 



Apseudes Latreillii nervous system, 346 



Apterygota, 439 



Apus, 288 ; section, 315 ; larvse, 383 

 longicaudatus, trunk feet, 316 

 ,, lucasanus, mandibles, 311 



Arachnoidea, 509-543 



Araneidw, 510 ; book-leaf tracheae, 530 ; 

 sexual organs, 533 



Arcella, 4 



,, vulgaris, 3 



Arckceostraca, 293 



Archenteron, 37 



ArchianneUda, 181 



Archigetes, 134 



ArenicoUdcE, 182 



Argas, 510 



Argiope, 185 ; larva, 273 



ArguUdce, 291 



Argulus, 291 



„ Corregoni nervous system, 346 

 ,, foliaceiis, 291 



Argyronetct, 510 



Anciidce, 182 



Arthrobranchise, 328 



Arthropoda, 287-545 



Arthrostraca, 293 ; thoracic limbs, 318 

 Articulata, 287 

 Asaphus, 415 

 Ascandra, 60 



Ascaridce, ISO ; section, 194 

 Ascaris lumbricoides, ISO ; genital appara- 

 tus, 255 

 „ nigrove7iosa, 179 

 Ascones, 62 



AseUidce, 295 ; thoracic limbs, 318 

 Asellus aqiiaticus, enteric canal, 340; geni- 

 tal apparatus, 374 ; nervous system, 346 



Aspidiotns, 440 



Aspidogaster, 143 



Asplaiiclia, 185 



Astacidce, 298 



Astacus fl^iviatilis, 298, 298, 299 ; 2d 

 antennse, 310 ; auteunules, 308 ; anterior 

 maxillEe, 312 ; cephalo-thorax, 326 ; for- 

 ceps, 335 ; gills, 327 ; mandibles, 311 

 muscles, 334 ; nervous system, 346 

 ontogeny, 399-406 ; pleopoda, 324 ; pos 

 terior maxillse, 313 ; sections, 338, 365 

 segments, 333 ; sexual organs, 375 

 thoracic feet, 323 



Asterias glacialis, eggs, 31, 33 



Asterope, 182 



Astrcea, 71 



Astroides, 71 



Atax, 510 



Atractonema, 200 



AtTUctosoma, 438 



Attus, 510 



Atypus, 510 



Aulactinium, 7 



,, actinastrum, 7 



Aulosphcera, 7 



Aulostomum, 181 



Aurcdia, 70 



Aurelia aurita, 72 ; development of, 130 



Auronecta, 70 



Aurophore, 70 



Autolytits, 182 



AviculaHa, 510 



Avicularia, 267 



Axolotl, 119 



Axopodia, 14 



Bacillus, 439 



Baeiis binoculatus, segment, 483 



Balanidce, 292 



Balanoglossus, 119 



Balantidium, 9 



Balanus, 292 



„ Hameri, 303 



„ perforatus, trunk feet, 316 



,, tiniinahuhtm, 304 

 Bdellidce, 510 

 BdinuTus, 417 

 Bcroidw, 72 

 Bibionidce, 448 

 Biogenesis, 118 



