866 



INDEX. 



Agromyzidae 751 x 

 Agrotis 719 1 . 

 Alaptus 759. 

 Alary muscles 029. 



Albia 850 2 . 



Albunea 542 2 , respira- 

 tion of 520. 



Alcimochthes 824 2 . 



Alcinons 784. 



Alcippe 428 \ excretory 

 organs 421, gut of 

 426 2 , habits of 422, 

 male and female of 

 427. 



Alder- flies 70 1 2 . 



Alebion 408 '. 



Alepas 423 2 , caudal fork 

 of 420, parasite of 428. 



Aletia 719 l . 



Aleurobius 854 2 . 



Aleurodes 700. 



Aleurodiscus 700. 



Aleuronia 705. 



Aleuropteryx 705. 



Alima 508 2 . 



Alimentary canal. 



Asteroids 176, Bala- 

 noglossida 74, Crin- 

 oids 285, Echinoids 

 230, Holothurians 

 256, Ophiurids 199. 



Alipes 602 2 . 



Alitropus 489 2 . 



Allagecrinus 293 l . 



Allanalges 852 2 . 



Alloptes 852 2 . 



Alona381 2 . 



Alonopsis 381 2 . 



Alope 532 2 . 



Alpheus 532 2 . 



Alternate brachials 278 



Alteutha 406 1 . 



Althoffia 65. 



Alucita 720 1 . 



Alula 740. 



Amaroecium 34 2 . 



Amaroucium 34 2 . 



Amaryllis 501 \ 



Amathia 501 2 . 



Amathillopsis 501 2 . 



Amaurobius 813, 814, 

 820 2 . 



Ambital skeleton, As- 

 teroids 171, Ophiu- 

 rids 195, Echinoids 

 209. 



Amblyomma 850 1 . 



Amblyopone 773. 



Amblyops 471 2 . 



Amblypneustes 242 1 . 



Amblyptilia 720 l . 



Amblypygi 810 2 . 



Amblypygus 245 l . 



Ambulacral 117, ossicles 

 169, plates and pores, 

 Echinoids 211. 



Ameira 405 -. 



Amenophia 405 2 . 



Amerus 848 l . 



Ammonia 851 2 . 



Ammophila 768. 



Ammothea 784. 



Ammotrecha 833. 



Ammoxenus 822 2 . 



Amnion of Echinoids 

 150. 



Amoebocytes Echino- 

 derms 127. 



Amorphopus 547 2 . 



Amorphoscelis 668 2 . 



Ampelisca 501 -. 



Amphaskandria 404. 



Amphiaster 190 2 - 



Amphilepis 206 '. 



Amphilochus 501 '. 



Amphion 530. 



Amphipneustic 741. 



Amphipoda 492, para- 

 site of 410 2 , parasites 

 on 490 2 , terrestrial 

 502 !. 



Amphisa 720 2 . 



Amphithoe 500 -. 



Amphithoides 500 -. 



Amphithyrus 502 2 . 



Amphiura 206 1 . 



Amphizoa 726 2 . 



Amphorida 309. 



Amphoroidea 489 l . 



Ampulex 768. 



Ampulla, Asteroids 184, 

 Crinoids 271, Holo- 

 thurians 254, of tube- 

 feet 129. 



Amyciaea 824 2 . 



Amymone 405 2 . 



Anagraphis 822 l . 



Anal interradial Cri- 

 noids 276. 



Analges 852 2 . 



Anal- piece 617. 



Anamorphosis 601. 



Ananteris 806 2 . 



Anapagurus 540 l . 



Anape 714 2 . 



Anapis 824 1 . 



Anaplecta 667 l , 667 2 . 



Anapta 269 2 . 



Anapterygota 654. 660. 

 Anaptycta 667-. 

 Anarthrura 479. 



Anasa 692-. 



Anasicydium 852 2 . 



Anaspides 358 2 , 462, 

 appendages 439, ce- 

 phalic groove 436, 

 epipodites 346, leg 

 344. 



Anaspis 734 l . 



Anasterias 192 2 . larva 

 141. 



Anax 687, 688. 



Anceus 492 l . 



Anchialis 471 2 , man- 

 dibles 438. 



Anchistia 533 -. 



Anchistrocheles 391. 



Anchorella 409 2 . 



Anchylomera 503 *. 



Anchylosis 283. 



Ancinus 489 l . 



Andrena 763, 7<>4. 



Andromma 822 '. 



Anechura 666 -. 



Anelasma 423% habit 

 of 419. 



Anelasmocephalus 842 2 . 



Anepsia 824 l . 



Anilocra 489 2 , herma- 

 phroditism, 484. 



Anisaedus 822 1 . 



Anisaspis 819. 



Anisolabis 666. 



Anisomorpha 670 2 . 



Anisopteridae 688 2 . 



Ankyroderma 268 '-, 

 stone canal 254. 



Ann Sci. Nat. =Annales 

 des Sciences natur- 

 elles. 



Annulosa 314. 



Anobium 678 l . 723,731 -. 



Anocihanus 245 -. 



Anomalanthus 244 1 . 



Anomalocera 405 2 . 



Anomalocrinidae 294 -. 



Anomura 536, parasites 

 of 491 ', 49 1 2 , ptery- 

 gostomial region of 

 514, 515. 



Anonyx 501 l . 



Anopheles 738, 740, 743, 

 744, 745 2 , general 

 view of 612, gut 624, 

 stridulating organ 

 616, thorax and wing 

 615, wing 613. 



