INDEX 



Ensatella, static power, 210. 



Epeira, eyes, 239-240. 



Epithelium, 42; developing muscle, 88; 

 origin of, 43; stratified, 45; stratified 

 development, 45. 



Equation division, of reproductive chro- 

 mosomes, 426. 



Equatorial plate, 24. 



Equilibration, 207; cells, 200. 



Erectile tissue, of man, 490. 



Erinaceus, spine, 386. 



Erysiphe (mitosis), 26. 



Erythroblasts, 172. 



50*, egg membranes, 456. 



Eudorina, 14. 



Euspongia, skeleton, 67. 



Evagination, 50. 



Excretory cells, 341. 



Excretory tissues, 339. 



Extinct animal series, 13. 



Eye, general, 224-225; lubrication of, 396. 



Fat, 73; of chicken, 74; of insect, 75; of 

 mammal, 74. 



Feather, definitive, 370; down, 370. 



Feathers, of birds, 367-382. 



Felis, egg follicle, 460; germ layers, 21; 

 mammary gland, 499; oesophagus, 295- 

 296; ovum, 2; ovum, growth of, 469-471 ; 

 placenta, 496; sebaceous gland, 394; 

 synovial lubrication, 398; tactile nerve- 

 endings, 202; tactile nerve-endings with 

 hair, 206; wax glands, 399. 



Female form of cell, 418. 



Fertilization, 467, 468; polyspermic, 468. 



Fiber, gastric glands, 300; nerve cells, 181. 



Fibril, connective tissue, 56, 64, 66. 



Fibril, muscle, 77-81; nerve, 174, 182, 187; 

 neuroglia, 197. 



Fin, of spermatozoon, 429. 



Flagella, 103. 



Flame-cell, 344. 



Food vacuoles, 279. 



Forficula, scent gland, 405. 



Gadus, gas tissues, 335. 



Callus, adrenal gland, 315; gizzard, 287-288; 

 nidamental tissue, 489; olfactory tissues, 

 259-260; sebaceous tissue, 395. 



Gametes, 418. 



Ganglion, 178. 



Gas-secreting tissues, 333; of cod fish, 335; 

 of paradise fish, 337; of Physophora, 334; 

 of Portuguese man-of-war, 333; of Rhy- 

 sophyza, 334. 



Gastric tissue, crayfish, 298; Mesodon, 299; 

 muskrat, 300; pigeon, 300301. 



Gigantactus, light organ, 137. 



Gila monster, poison apparatus, 385. 



Gills, 326; of dogfish embryo, 326; of gold- 

 fish, 330-332. 



Gizzard, of English sparrow, 287; of Lum- 

 bricus, 287; of Seserinus, 288-289. 



Gland, 52; alveolar, 53; complex, 54; sur- 



face, 53; tubular, 53-54; types of, 53; 



unicellular, 52. 



Glomus, of nephridia, 341, 343. 

 Gonad, 419; accessory cells of, 419; specific 



cells of, 419. 

 Gonium, 14, 16. 



Grantia, as a cell colony, 17-18. 

 Gryllus (cricket), amitosis in, 39. 

 Guanin, 343. 

 Gustatory cell, 262. 

 Gustatory tissues, 258, 261; of insects, 263; 



of Lamperta, 262; of Pelromyzon, 262. 

 Gymnotus, electric tissue, 116. 



Haemal glands, 172. 



Hffimocyanine, 163. 



Haemoglobin, 163. 



Hair, of mammals, 366. 



Harangus, rods and cones of eye, 256. 



Hassall's bodies, 310. 



Head, of spermatozoon, 427. 



Heart, 149. 



Heat, tissues which produce, 141. 



Helix, nerve cell, 185; eye of, 246; unicellu- 

 lar mucous gland, 390. 



Hemiptera, accessory chromosome, 443. 



Hensen's cells, 221. 



Hepato-pancreatic gland, of Mesodon, 299. 



Heterotropic chromosome, or heterochro- 

 mosome, 444. 



Heterotypic cell division, 426. 



Hirudo, nerve-ending on muscle, 194; neu- 

 roglia, 198. 



Homarus, blood vessel, 157; Cardiac muscle, 

 94; gill, 327; integument, 362; Leidig's 

 cells, 57; ligament cells, 65; muscle, 85; 

 nephridium, 349; nerve cell, 186; seminal 

 passages, 479. 



Homeotypic cell division, 426. 



Homo, cardiac muscle, 95; cartoid gland, 

 317; coccygeal gland of, 316; optic nerve 

 fiber, 189; placenta, 498; respiratory 

 tissues, 322; retina of, 255. 



Honey sac, of bee, 291. 



Hyacinth, mitosis in root-tip, 26-33. 



Hyalogenesis, 5. 



Hyalogens, 5. 



Hyaloplasm, 7. 



Hydra, 15; adhesive cells, 410; nettle cells, 

 376. 



Hylobius, adhesive tissues, 415. 



Hypophysis, 304 ; of cat, 306-307 ; glandular 

 lobe, 305; neural lobe, 305. 



Iguana, kidney, 350-352. 



Imperialis, blood vessel, 158; spinning gland, 

 416. 



Impulse, nerve, 174-176. 



Indirect cell division, 23. 



Infundibular gland, 305. 



Insecta, accessory chromosome, 443. 



Integument, 358; of birds, 367; classification 

 of, 358; of echinoderms, 373; of fishes, 

 371; of lobster, 362; of mammals, 364; 



