5oo 



INDEX. 



dominal, 180, 224; superior me- 



senteric, 88 ; vertebral, 86 ; 



visceral, Mussel, 326 

 Arthrobacterium, 413 

 Arthrobranchiae, 221 

 Arytenoid, 21, 51 

 Ascent of sap, 468 

 Ascogonium, 420, 427 

 Ascospore, 420, 427 

 Ascus, 420, 427 

 Asexual generation : Fern, 45 1 

 Astacus fluviatilus, 173 239 

 Astragalus, 73 

 Atrium, 17, 81, 90 

 Auditory epithelium, Frog, 145 ; 



Lobster, 232 

 Auditory capsule, 59 ; organ : 



Crayfish, 186, 230; Cyclas, 331 ; 



Frog, 33, 118 ; development 



of, 161 ; Mussel, 331 ; Snail, 



276, 300 

 Auricle, Frog, 17, 90; Mussel, 



324; Snail, 275, 284 

 Auricular septum, 17, 91 

 Axil, Bean, 460 ; Chara, 431 



Bacillus, 413 



BACTERIA, 408414 



Balantidium^ 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, 359368 



Bidder's organ, 54 



Bile ducts, 47 



Bipolar nerve-cell, 139 



Blastoderm, 236 



Blastopore, Crayfish, 187, 236 ; 

 Frog, 159, 1 60; Snail, 302 



Blood, Crayfish, 226; Earthworm, 

 245, 262; Frog, 16, 12 1 ; Lob- 

 ster, 182 ; Mussel, 310; Snail, 

 276 



Body - cavity, Earthworm, 247 

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

 349' 35i ; Mussel, 335 



Body-wall, Earthworm, 243, his- 

 tology of, 264; Frog, 41, 43; 

 Hydra, 344, 349 



Bone, histology of, 1 29 



Brachial plexus, 103 



BRACKEN FERN, 443459 



Brain, n, 24, 96, 170 



Branch, 430, 443, 460 



Branchiae, Crayfish, 182, 220; 

 Mussel, 307, 316, 317, 322, 

 335> 33^ ; suspensory ligament 

 of, 3 l8 > 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. 



CAECUM, Crayfish, 208; Frog, 16 ; 



Lobster, 208 

 Calcaneum, 73 

 Calcar, 3, 73 



Calciferous glands, 243, 254 

 Calcium, 379, 403 

 Call ha, 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 



