316 INDEX 



appendages, Rana, 196, 197 



Lepus, 256 

 Apterygota, 124 

 aqueduct of Sylvius, see iter. 

 Arachnida, 128 



arachnoid membrane, 217, 296 

 area opaca, 236 



pellucida, 236, 248 

 arteries, Amphioxus, 139 



Raia, 171 



Rana, 210 



Lepus, 287 

 arthrobranch, 98 

 Arthropoda, 91 

 articular process, 198, 258 

 Articulata, 60, 76, 91 

 arytenoid, 207, 280 

 astragalus, 204, 270 

 atlas vertebra, 258 

 atrial cavity, 136, 138 

 atriopore, 133, 138 



auditory capsule, 161, 199, 260 



nerve, 178, 218, 297 

 auditory organ, Nephrops, 94, 108 

 Raia, 181 



Rana, 220 



Lepus, 301 



auditory ossicles, 264 

 auricle, see heart 

 Aves, development, 234 

 Axolotl, 232 

 axon, 84, 294 

 azygos vein, 289 



Balantidium, 24 



basal disc (Hydra), 32 



basioccipital, 262 



basisphenoid, 262 



bile duct, 165, 206, 277 



Biochemistry, 19 



Biophysics, 19 



birds, development, 234 



bivalve, 61 



bladder, 223, 307, 308 



blastoderm, 191, 235 



blastopore, 129, 143, 144, 192, 226, 



238, 250 

 blastostyle, 42 

 blastula, 37, 44, 58, 73, 143, 144, 



191, 225 

 Blatta, 113 

 blepharoblast, 29 

 blood, 68, 82, 103, 120, 139, 168, 209, 



246, 282 



blood platelets, 283 

 body cavity, 59, 81, 105, 122, 138, 



147, 167, 252 

 Bo janus, Organ of, 67 



bone, 197, 267 

 Bowman's capsule, 223 

 brachial artery, 172, 211 



plexus, 179, 219, 299 

 - vein, 172, 211 



Brachiopoda, 75 

 brain, Amphioxus, 140 



Raia, 174 



Rana, 215 



Lepus, 250 



brain case, 160, 200, 261 



branchial arch, 161, 199, 202, 244, 



251, 261 



branchiostegite, 93 

 breathing organs, see respiratory 



organs 



bristle worms, 76 

 bronchial tube, 280 

 bronchioles, 280 

 Bryozoa, 75 

 buccal cavity, 79 

 bulbus aortae, 210 

 byssus gland, 62 



caecum, 278 



calcaneum, 204, 270 



calycle, 40 



capsulogenous glands, 77 



carapace, 92 



cardinal veins, 139, 172 



cardo, 115 



carotid artery, 171, 210, 287 



gland, 211 

 carpalia, 268 

 carpus, 204, 268 

 cartilage, 158 



bones, 200, 261 

 casting, 92, 111 

 caterpillar, 113 



caudal artery, 139, 172, 288 



fin, 133, 134, 154, 156 



nerves, 299 



vein, 139, 172, 289 



vertebrae, 257, 259 

 cell, 1, 2, 17 



cell division, 6 



morphology, 17 



reproduction, 5, 6, 11, 15, 22 

 cement gland, 230 



centrale, 204, 268, 270 

 centrum, 159, 198, 257 

 Cephalochorda, 132 

 Cephalopoda, 61 

 cephalothorax, 92 

 cercaria, 49 

 cerci, 118, 121 

 Cercomonas, 11 

 cerebellum, 175, 215, 216, 295 



