Soo 



INDEX. 



dominal, i8o, 224; superior me- 

 senteric, 88 ; vertebral, 86 ; 

 visceral, Mussel, 326 



Arthrobacterhi??i, 413 



Arthrobranchise, 221 



Arytenoid, 21, 51 



Ascent of sap, 468 



Ascogonium, 420, 427 



Ascospore, 420, 427 



Ascus, 420, 427 



Asexual generation : Fern, 45 1 



Astacus Jluviatilus, 1 73 — 2 39 



Astragalus, 73 



Atrium, 17, 8r, 90 



Auditory epithelium, Frog, 145 ; 

 Lobster, 232 



Auditory capsule, 59 ; organ : 

 Crayfish, i86, 230; Cyclas, 331 ; 

 Frog, 33, 118 ; development 

 of, J 61 ; Mussel, 331 ; Snail, 

 276, 300 



Auricle, Frog, 17, 90; Mussel, 

 324; Snail, 275, 284 



Auricular septum, 17, 91 



Axil, Bean, 460 ; Chara, 431 



B. 



Bacillus, 413 



Bacteria, 408 — 414 



Balaniidmm, 363 



Basipodite, 195 



Bast, Bean, 464, 472 ; Fern, 446, 



453 

 Bast fibres, 464, 474 

 Bast parenchyma, 454, 473 

 Bast vessels, 454, 473 

 Bean-plant, 460 — 481 



Bell- ANIMALCULE, 359 — 368 



Bidder's organ, 54 



Bile ducts, 47 



Bipolar nerve-cell, 139 



Blastoderm, 236 



Blastopore, Crayfish, 187, 236 ; 

 Frog, 159, 160; Snail, 302 



Blood, Crayfish, 226; Earthworm, 

 245, 262; Frog, 16, r2i; Lob- 

 ster, 182 ; Mussel, 310; Snail, 

 276 



Body -cavity, Earthworm, 247 

 252; Frog, dev. of, 169; Hydra, 

 349' 351 ; Mussel, 335 



Body-wall, Earthworm, 243, his- 

 tology of, 264; Frog, 41, 43; 

 Hydra, 344, 349 



Bone, histology of, 129 



Brachial plexus, 103 



Bracken Fern, 443 — 459 



Brain, 11, 24, 96, 170 



Branch, 430, 443, 460 



Branchiae, Crayfish, 182, 220 ; 

 Mussel, 307, 316, 317, 322, 

 335' 336 J suspensory ligament 

 of' 318, 335; Tadpole, 5, 6, 161, 

 162, 164, 171 



Branchial clefts, 5 



Branchio-cardiac canals, 181, 222 



Branchiostegite, 174, 176, 193, 

 194 



Bronchi, 50 



Brownian movement, 408, 411 



Brow-spot, 35, 36 



Buccal-mass, 285, 286; sac, 241, 



253' 255 

 Bud, Bean, 460 ; Chara, 432, 438; 



Hydra, 350 

 Bundle-sheath, 446, 453 

 Byssus, 313, 341 ; organ, 341 



C^CUM, Crayfish, 208; Frog, 16; 



Lobster, 208 

 Calcaneum, 73 

 Calcar, 3, 73 



Calciferous glands, 243, 254 

 Calcium, 379, 403 

 Caliha, 481 

 Calyx, 460, 476 

 Cambium, 463, 473 

 Campanula, 481 

 Canal cells, 459 

 Canalis centralis, 31 

 Capillaries, 93 

 Capitulum, 434 

 Capsulogenous glands, 250 

 Carapace, 174, 190; development 



of, 237 



