INDEX 



599 



Hind-limb or fin, see Appendages 



Hind-gut, 357 



Hinge of lamellibranchiate shell, 



383. 

 Hip-girdle, see Pelvic arch 

 Hippocampus, 514 

 Histological methods, 130, 13S, 



Histology, 104 



Holobranch, 432 



Holophytic nutrition, 247, 253 



Holozoic nutrition, 247, 253 



Homogenesis, 284 



Homology and homologous, 217, 

 310 



Homology, serial, 39, 52 



Host, 271 



Humerus, 48, 484 



Hybrids, 216 



Hydra :, occurrence and general 

 characters, 289 ; species, 291 ; 

 movements, 291 ; mode of -feed-, 

 ing, ^92 ; microscopic structure, 

 292 ; digestion, 299 ; asexual, 

 artificial, and sexual reproduction, 

 301 ; development, 303 ; practi- 

 cal directions, 314 



Hydranth, 304 



Hydroid polypes, 303 



Hydrozoa, 314 



Hyoid, 40, 44, 422, 472, 479 



Hyomandibular, 422 



Hypobranchial groove, see Endo- 

 style' 



Hypostome, 289, 304, 308 



I 



X'eum, 22, 497 



Ilium, 50, 486 



Imbedding, directions for, ijy 



Immortality, 236 



Impregnation, see Fertilization 



Incisors, 468, 492, 494 



Income and expendiLure, 148, 236, 



245 

 Incubation, £86 

 Incus, see Auditory ossicles 



Individual, 220, 28 1 



Individuation, 281, 301 



Infundibulum, of brain, 159, 443; 

 S13, of lung, 501 



Infusoria, 261, 286 



Ingesta and egesta, balance of, 236 



Ingestion, 8, 233 



Inguinal canal, 521 



Injection of blood-vessels, 99, 3J4, 

 J99, 4';8, 4Sg, 461, j-^6 



Innominate bone, 51, 486 



Insertion of muscle, 60 



Inspiration, 143 



Integument, structure of, 127 



Integumentary sense-organs, 414, 

 448 



Intercellular substance, 115, 117 



Intern eural plate, 424 



Interstitial cells, 293 



Intervertebral discs, 480 



Intervertebral foramina, see Fora- 

 men 



Intervertebral substance, 424 



Intracellular digestion, 234 



Interrenals, 431 



Intestine, 22 ; see its various sub- 

 divisions and Enteric canal 



Invagination, 558 



Iris, 5, 182, 571 



Irritability, 60, 169, 232, 276 



Ischium, 50, 486 



J 



I acobson's organ, 517 



Jaws, 17, 352, 415, 420, 472, 477, 



479 

 Joints, 55, 348, 354 



K. 



^ _^aryokinesis, see Mitosis 

 Keber's organ, see Pericardial gland 

 Kidney : Fros;, 26, 145 ; Crayfish, 



361 ; Mussel, 390 ; Dogfish, 450 ; 



Rabbit, 520 ; development of, in 



Vertebrates, 573 



