INDEX 



321 



Chordata. See Vertebrata 



Choroid plexus, 176, 226, 228 



CUia, 8, 36, 132, 144, 316 



Ciliary brushes, 132 ; junctions, 132 



Ciliata, 316 



Ciliated cells, 34 ; groove, 36 



Cinclis, 38 



Circulatory system. /See Blood system 



Cirri, buccal, 142, 144 



Cirrus or penis, 42 



Cirrus sac, 42 



Clasper, 152, 154, 164 



Glathrina, 18, 316 



Clavicle, 194, 218, 238, 250, 304, 316 



Claws, 82, 256 



Clitellum, 54 



Clitoris, 290 



Cloaca, 138, 152, 154, 158, 162, 188, 214,! 238, 

 244, 250 



ClypeuB, 78 



Cnemial crest, 256 



Cnidoblast (stinging cell), 30 



Cnidocil, 30 



Coekroach (Periplaneta), 74-86 ; external fea- 

 tures, 74 ; head, 78 ; appendages, 80 ; mouth 

 parts, 80 ; walking leg, 80, 82 ; alimentary 

 system, etc., 82, 84 ; nervous system, 84 ; 316 



Coelenterata, 316 



Coelenteron, 28, 30, 316 



Ccelomata, 316 



Coelome or bodv-cavity, 56, 60, 62, 66, 72, 148, 

 150, 152, 168, 316 



Coelomic canal, dorsal, 148; branchial, 150; 

 ventral or endostylar, 150 ; cavity, 144 ; 

 epithelium, 56, 60 



Collar of snail, 114, 116 



Collar-cells. See Choanocytes 



Collecting canals of Paramecium, 8 



Colon, 82, 270, 272 



Golumha, 236-264, 316. See Pigeon 



Columella (ossicle), 224, 226, 264 ; of shell, 116 



Column of sea-anemone, 34 



Commensal, 32 



Commissures. iSee Nerve commissures 



Condyle of skull, 262, 292, 298, 312 ; of femur, 

 310 



Conjugation of gametes, 12 



Connective tissue, 60, 142, 144, 146, 148, 288 



Contractile bulbs, 146 



Conus arteriosus, 166, 170, 202, 212 



Coracoid, 164, 194, 218, 238, 252, 314; process, 304 



Coronoid fossa, 306 ; process, 296 



Corpora adiposa or fatty bodies, 216, 218 



Cortex, 6, 10, 316 

 Corticata, 316 



Coverts. See Feathers 



Coxa, 82 (cockroach) 



Coxopodite, 98, 100 



Craniata, 316 



Cranium, 176, 226, 260, 292 



Crawfish (Jasus), 88-112; external features, 

 88, 92 ; appendages, 88, 94, 100 ; respiratory 

 system (gills), 94 ; alimentary system, 104, 

 110; vascular system, 104, 110; reproductive 

 system, 106 ; skeletal system, 106 ; nervous 

 system, 106, 110 ; larva, 110 ; 316 

 Crayfish (Astacus), 88-112; external features, 

 88, 90 ; appendages, 88, 94, 96 ; respiratory 

 system (gills), 94 ; alimentary system, 104, 

 108; vascular system, 104, 110; reproductive 

 system, 106 ; skeletal system, 106 ; nervous 

 system, 106, 108 : 316 



Cribriform plate, 294 



Cricoid cartilage, 274 



Crop, 56, 66, 72, 82, 118, 238, 242 



Crura cerebri, 178 



Crustacea, 316 



Crystalline style, 138 



Ctenidia. See Gills 



Cuboid, 310 



Cuneiform or ulnare, 306 



Cuticle, 44, 50, 60, 70, 74, 78, 82 



Cyst, 10, 12 



D 



Dactylopoditb, 98 



Dart sac of snail, 118 



Decapoda, 316 



Deltoid ridge, 252 



Demospongise, 24, 316 



Dentary bone, 226, 264, 296, 312 



Dermal denticles or skin teeth. See Placoid 

 scales. Dermal epithelium, 16 ; layer, 16 



Dermis, 60, 72, 148 



Diaphragm, 268 



Diastema, 266 



Diastole, 8 



Digits, 188, 190, 218, 220, 254, 256, 266, 268, 

 308, 312 



Dipylidium, (Tape-worm of dog), 46 



Directive mesenteries, 34, 36 



Disc, 36, 220 (intervertebral) 



Discophora. See Hirudinea 



Distoma /Liver-fluke). See Fasciola 



Dogfish {Acanthias and Seyllium), 152-186; 

 external features, 152, 154; alimentary and 

 vascular systems, 156, 166, 168, 172, 174 ; 

 urino-genital system, 162, 164 ; skeletal 

 system, 164, 176; nervous system (brain), 176, 

 178, 180; cranial nerves, 178, 180; eye 

 muscles, 178; otocyst, 186; 316 



Donax (White mussel), 140 



Duct, bile, 194, 270; common, 70, 118, 194; 

 of Cuvier, 168 ; cystic, 270 ; endolymphatic, 

 186; excretory, 44 ; genital, 158; hepatic, 

 104, 270 ; hermaphrodite, 120 ; mesonephric. 

 See Wolffian ; metanephric, 162 ; Mtillerian, 

 162, 164, 290 ; pancreatic, 158, 194, 242, 244, 

 272 ; seminal, 60 ; spermathecal, 120 



Duct, vitellarian or yolk, 40, 44 ; Wharton's, 278 ; 

 Wolffian, 162 



Ductus arteriosus, 284 



Ductus ejaculatorius, 42, 70 



Duodenum, 158, 194, 242, 270, 272 



Duplicidentata, 316 



E 



Ear. See Auditory organ 



Earth-worm {Lumbrieiis), 54-62 ; external fea- 

 tures, 54 ; alimentary and vascular systems, 

 56, 58 ; nervous and reproductive systems, 

 58 ; transverse section, 60, 62 ; nephridium, 

 62; 316 



Ecaudata. See Anura 



Ecto-cuneiform, 310 



Ectoderm, 14, 16, 28, 30, 34; cells, 28, 30 (of 

 Hydra), 50 



Ectoparasite, 32 



Ectoplasm, 2, 6, 10, 316 



Ectosarc, 2, 6 



