INDEX 



SIS 



Brachial disc, of Discomedusie, 18.3 



Brachial ossicles, 407 



Braehiolaria, 411, 432 



/Irnr/iioiiitf'i , 329* 



Brackionut, 324, 325. 326, 888, 888 



BbaCHIOXOS RUBENS: External charac- 

 ters, 888, 324 : Body-wall, 325 : Diges- 

 tive organs, 886: (Vlome. 886: Ex- 

 cretory system, 326 : Nervous system, 

 and sense organs, 3*26 : Reproduction 

 and development, 326, 327 : Systematic 

 position, 888 



Brachiopoda, 340, 360* : Example, 360 

 Distinctive characters and classifica 

 tion, 366: Systematic position of ex 

 ample, 367 : General organisation, 367 

 Shell, 367, 368 : Peduncle, 367 : Lo 

 phophore, 368 : Muscular system, 368 

 Enteric canal, 369 : Heart, 369 

 Nephridia, 369 : Nervous system, 369 

 Gonads, 369 : Development, 370, 371 

 Distribution, 371 



Brachyura, 569*, 589, 590, 591, 601 



Bract, 160, 161*, 531 



Brain, 38 



liranchellion, 516, 517, 519, 522 



Branchia.', 35* : of Asterias, 376 ." Sea- 

 urchin, 395: Polyeha-ta, 471 : Oligo- 

 ( hata, 473 : Branchellion, 519 : 

 Astacus, 549; Crustacea, 593: Ano- 

 donta, 686, 687, 688 : Pelecypoda, 702 : 

 Triton, 725 : Gastropoda, 742 



Branchial formula, of A star us, &c , 551 



Branchiopoda, 563*, 569, 570, 571, 593, 

 594, 596. 697, 598, 602, 603, 677 



Braivhipu*, 668, 670, 571 



Branchiura, 565*, 573, 577 



Brine-shrimp, 571 



Brisingidte, 418 



Brood-pouch, 370, 531 



Brood-cavity, 101 



Brown body, 346 



Buccal cavity, 32 



Buecinum mutatum, 722 



Budding, 40*, 41— See Asexual repro- 

 duction 



Budding, in Turb.'Uaria, 257 



Buflbu, 5 



Bugs, 634, 640, 651 



Bugula, 347 



Bugula avicularia, 341, 342: Body- 

 wall, 343 : Coelome, 343 : Alimentary 

 canal, 343 : Nervous system, 343 : 

 Excretory organs, 343 : Reproductive 

 organs, 344 : Development, 344, 345, 

 346 : Systematic position, 348 

 Bugula plumose/., 346 

 Bursa copulatrix, 270, 271, 272, 273, 647 

 Busycon, 749 



Buthus, 653 : External features, 654, 

 655 : Digestive system, 65(5, 657, 658 : 

 Circulatory organs, 656, 657 : Organs of 

 respiration, 657 : Nervous system, 657, 



VOL. I 



(>.uS : Organs of special sense, 658 : Re 

 productive organs, 658 : Development, 

 659 



Butterflies, 526, 619, 635 



Byssus, 694, 702 



Byssus-gland, 694, 702 



Byssus, provisional, 693 



c 



'addis-fi.iks, 633 

 Cake-urchins, 412*, 417, 423 

 Calcarea, 112*, 120, 122, 123 

 Calcareous spicules, of Sponges, 107, 108, 



120. 122 

 Calciferous glands, 458 

 Cattianira, 218, 219, 222 

 Callitiara, 150 

 Oalocalanus, 574 

 Calotte 230*, 344 

 Calymma, of Radiolaria, 80 

 Calyptoblastea 143* 

 Cambarue, 569 

 Cambrian, 7 

 Campaunlarii<la>, 142* 

 Canalicular (bone), 27* 

 Canals, Haversian, 27*, 28: incurrent, 

 radial of flagellate, excurrent of 

 Sponge, 107, 108, 109*, 117 : of Medusa. 

 135, 136 

 Canal system of Sponges, 117, 118 

 Cancer, 569, 590 

 Cannostomse, 180 



Capillaries, 35* 



Capillary vessels, 238 



Capillitium, of Mycetozoa, 66, 67 



Caprella, 568, 586 



Capria, 178 



Capsulogenous glands, 457 



Carabus auratus, 641 



Carapace, Apus, 527: Astacus, 540: 

 of Scorpion, 654 



Carboniferous, 7 



Cardiac sac, of Polychreta, 476 



Cardinal process, 360* 



Cardium, 696, 698, 701, 711 



Jarina, of Cirripedia, 578 



larinaria mediterranea, 739 



Jarp-lice, 565 



Carpoidea, 414*, 488 



Cartilage, 25, 26*: Hyaline, 26, 27: 

 Fibrous, 26, 27 : Yellow elastic, 26 : 

 Calcified, 27 



Carpophyllasux, 262, 263, 287 



Cassiopeia, 184 



Caudal spine, 666 



Caudal styles, of Apus, 527 



Caudal vesicle, 248*, 280 



Cell, animal, 14, 16* 



Cell, 14, 16*, 17: Forms, 23: Ciliated, 

 23, 45 : Flagellate, 24, 45 : Anueboid, 

 45 : Encysted, 45 



3 F 



