GENERAL INDEX. 



Scii/rgcra liviila, iii. 547. 



Scutigeridce, a family ofMyriapoda, iii. r>iG,ctseq. 



characteis of the family, iii. 540. 

 Scuti/tcdes of Scopoli, i. ~i>6. 

 Scutula Wallrothii, spermagonia of, s. 230. 



pycnidis of, s. 2,il. 



Scylhra pclagica, nervous system of the, iii. GOG. 

 Scyphia, a family of 1'orifera, iv. 65. 

 characters of the family, iv. 65. 

 Keyphns of cochlea, ii. 532. 

 Sett, phosphorescence of the, iii, 198, el scq. See LU.MI- 



NOUSNESS, ANIMAL. 

 physical effects produced by a particular display of the 



luminousiiess of the sea, iii. 198. 

 Sea-anemone, digestive organs of the, s. 96. 

 Sea-null (Larus cyanorhynchus), nervous system of the, 



iii'. 622. 

 Sea-jelly, or sea-nettle, i. 35. See ACALEPHA. 



digestive organs of the, s. 297- 

 Sca-tnoiise, description of the, i. 617. 



ciliary motion in the, i. 618. 



Sea-scitn<i/, coiulitiou of the blood after death from, i. 418. 

 Sea-sickness, iv. 1174. 



Sea-urchin, ii. 30, et seq. See EcHlNODERMATA. 

 ciliary motion in the, i. 615. 617. Sec Cn.u. 

 Sea-water, its absorption of the rays of li^ht transmitted 



through it, and lo.ss of transparency, iv. 1438. 

 Seal, common (Phoca vitulina), organs of voice of the, iv. 



1491. 



Weberian organ in the, iv. 1418. 

 grey (Halicho?rus gryphus), dentition of the, iv. 915. 

 Seasonings of food, s. 395. See Foul). 

 Seasons, effect of the, on the quantity of carbonic acid gas 



in the expired air, iv. 349. 

 on the production of animal heat, ii. 059. 



681. 



Scbaccaus glands, i. 216. 

 of the nose, iii. 729. 

 follicles of the vulva, s. 711. 

 Sebum, i. 57. 



Second intercostal nerve, i. 217. 

 Secreting canals, ii. 487, 488. 

 SECRETION, i. 144; iv. 439. 

 definition, iv. 439. 

 general observations, iv. 439. 



airinity between the functions of nutrition and se- 

 cretion, iv. 440. 



animal and vegetable secretions compared, i. 135. 

 organs of secretion, iv. 441. 



development of simple cells, iv. 441. 

 excretory organs of animals, iv. 443. 

 absorbent system, iv. 444. 

 biliary apparatus in various animals, iv. 445. 

 composition and development of secreting struc- 

 tures, iv. 455. 



secreting structure of the testicle, iv. 977. 

 mucous, lubricating the bladder, i. 386. 

 sources of the demand for the secreting function, iv. 



455. 



decay of animal structures, iv. 456. 

 periodical decay, iv. 456. 



carbonic acid the first product of decay, iv. 456. 

 removed from living bodies by the lungs 



and skin, iv. 456. 



water removed by the skin, iv. 456. 

 nitrogen thrown oft' by decaying bodies, iv. 



4~j6. 



hydrocarbon of biliary secretion, iv. 458. 

 natr.re of fa j cal matter, iv. 458. 

 existence of the elements of secretions in the blood, iv. 



459. 



metastasis of secretion, iv. 461. 

 urine, iv. 461. 

 biliary secretion, iv. 462. 

 secretion of milk, iv. 461. 463. 



vicarious secretion of milk, iv. 4(13. 

 menstrual flux, iv. 4ii3. 



vicarious menstruation, iv. 464. 

 influence of the nervous system on the secreting 



process, iv. 464. 

 on the secretion of milk, iv. 464. 



by mental emotion, iv. 464. 

 on the secretion of saliva, iv. 4i>6. 



gastric juice, iv. 466. 

 tears, iv. 4riti. 



changes in the state of nutrition arising from in- 

 jured nerves, iv. -168. 



theories of the influence exerted by the nervous 

 system on the nutritive and secretory functions, 

 iv. 469. 

 three ways in which secretions are probably separated 



from the body, iii. 503. 



proximate analysis of individual secretions, iii. 807. 

 of the urine, iii. 807. 

 of the blood, iii. 809. 

 of milk, iii. 811. 

 of bile, iii. 811. 

 of saliva, iii. 812. 

 Secretions of Carnivora, i. 481. See CAHNIVORA. 



follicles producing peculiar secretions, i. 481, 482. 

 of Polygastria, iv. 16. 

 of Mammalia, iii. 235. 



Seals, dormant vitality of, iii. 156. 



Seeing. See VISION. 



Segmentation of the ovum of animals, process of, s. [138.] 



Sec OVUM. 



Se/agincllti, vegetative system of, s. 243. 

 Sf//n turcica, i. 726. 

 SEMEN, ii. 457 ; iv. 472. 



definition, iv. 472. 



histiological elements of the semen, iv. 472. 



spei inatozoa, iv. 472. 



liquor seminis, iv. 472. 



periodical development of the spermatozoa and 



testicles, iv. 473. 

 rutting period, iv. 473. 

 form, development, and history of spermatozoa, 



iv. 474 ; s. [137.] 

 in Man, iv. 474. 

 in Mammalia, iv. 475. 

 in Aves, iv. 477. 

 in Kcptilia, iv. 4M). 

 in Pisces, iv. 483. 

 in Mollusca, iv. 4S4. 



in Cephalopoda, iv. -1X5. 

 in Gasteropoda, iv. '185. 

 in Accphala, iv. 4>>7. 

 in Aiticulata, iv. 488. 

 in Insecta, iv. 488. 

 in Arachnida, iv. 4'-0. 

 in Mynapoda, iv. 492. 

 in Crustacea, iv. 493. 

 in Annelida, iv. 4li. 

 in Bryozoa, iv. 497. 

 in Kotifera, iv. 498. 

 in Kadkita, iv. 498. 



in Echinodermata, iv. 49S. 



in Acalcpha,' and Acanthozoa, iv. 



499. 



in Infusoria, iv. 499. 

 general conclusions respecting the morphology and 



development of spermatozoa, iv. 499. 

 organisation of the spermatozoa, iv. 502. 

 motions of the spermatozoa, iv. 502. 

 chemical properties, ii. 458; iv. 505. 

 circumstances on which the fecundating property of 



the seminal fluid depends, ii. 461. 

 course of the ejaculated seminal fluid within the female 



organs, ii. 464. 



office of the Fallopian tube in the reception and trans- 

 mission of the spermatic fluid, s. 6<i7. 

 power by which the semen reaches the oviduct, s. 



607. 

 is material contact of the semen and ovum necessary 



for fecundation ? ii. 462. 

 mode of discharge of the semen, ii. 458, 459. 

 sources whence the semen is derived, ii. 457. 

 vesicular seminales, ii. 458. See also VESICI'L^E SEMI- 



NALES. 



physiological office of the semen, iv. 507. 

 See also OVUM ; SEMEN. 

 Semibulb, or bulb, of the vagina, s. 712. 

 Semicircular canals, ii. 530. 537. 

 ampulla 1 , ii. 530, 531. 537. 

 horizontal, ii. 531. 

 posterior, ii. 531. 

 superior, ii. 531. 

 development ol the, ii. 558. 

 function of the, ii. 569. 577. 

 process, i. 733. 

 tttnia, iii. 675. 

 Sciniiliurna, a section of Insects of the order Lepidoptera, 



ii. 867. 



characters of the section, ii. 867. 

 Seniiliinar, or lunar, lione of carpus, ii. 505 ; iv. 1506. 



articulations, ii. 505. 

 Scmilunar cartilages of knee-joint (cartilagines falcata?, s. 



lunatic), iii. 45. 

 ganglion, ii. 298 ; s. 641, note. 

 folds, iii. ,S4. 



in comparative anatomy, iii. 84. 

 plica, iii. 80. 



or sigtnoid valves of arteries, i. 223. 

 valves of right ventricle, ii. 581. 



of left ventricle, ii. 584. 

 Semimembranosus muscle, iv. Gl ; s. 137. 



nerves for the, iv. 768. 

 Seminal cercaria-, ii. 112. Sec KNTO/.OA. 

 vesicles. See VESICCL* SKMI.NAI.I.S. 

 Semi-spinalis dorsi muscle, i. 372. 

 Scmi-teiittiiHi.ws muscle, ii. '..'04 ; iv. 61 ; s. 137. 



nerve for, iv. 767. 



Semitic, or Syro- Arabian, group of languages, iv. 1347. 

 characters ol the Semitic nations, iv. 1317. 



complexion of the, iv. 1333. See VARIETIES OP 



MANKIND. 

 Scmnorebiis, a genus of Quadrumana, iv. 215, ct scij. See 



QUADRUMANA. 



characters of the genus, iv. 215. 

 ScmnnpiHieeiis, a genus of Ouadrumana, iv. 195, et tcq. 



Sec <_>t AMKIMANA. 



characters ol the genus, iv. 1P5. 

 SemnOpithecUS, di;:i -luc OHMUS of the, s. ."OJ.. 

 Senegal, characters of the inhabitants of, iv. 1352, 1353. 



