864 



GENERAL INDEX. 



Splenic artery, i. 1P5; iv. 787; s. 320. 

 extremity of stomach, s. 308. 

 omen turn, iii. 941. 

 plexus of nerves, s. 429. 

 vein, iv. 788. 1414 ; s. 381. 

 Splenico -phrenic fold, i. 14. 

 Splenius capitis muscle, i. 371 . 



colli or cervicis, i. 371. 

 Kpondylus, i. 112. 

 Sponges, iv. 64. See PORIFERA. 

 Spongia, a family of Porifera, i. 612; iv. 65. 

 characters of the family, iv. 65. 

 cilia, probability of, in,~i. 612. 

 " ftecal orifices " of, i. 612. 

 ciliary motion of the ova of, i. 613. 

 composition of the texture of Spongia officinalis, iii. 601. 

 nervous and muscular globules of which its texture is 



composed, iii. 601. 

 alleged luminousness of, iii. 198. 

 mode of reproduction of the, s. 6. 

 ova of, s. [1211]. 

 Spongilla, a family of Porifera, iv. 65. 



characters of (he family, iv. 65. 

 Spongy portion of urethra, iii. 925. 



Spontaneous generation of animals, ii. 429. SeeGENERATioN. 

 Sporangia in vegetable reproduction. See REPRODUCTION, 



VEGETABLE. 



Spores, vegetable reproduction by, s. 233, et scq. See RE- 

 PRODUCTION, VEGETABLR. 

 Sponferovs generation of Polygastria, iv. 16. 

 Sporuphijlla of Equisetaceae, s. 242. 

 Spouting apparatus in whales, i. 580. 



Baron Cuvier's description of, i. 581. 

 Spring in the latitude of England, why a more dangerous 



season than Autumn, ii. 681. 

 Springfng-beetles, ii. 861. 

 Spur of the ornithorhynchus, iii. 406. 



use of the, iii. 400, 407. 



Squa/us cornnbicus, progressive development of the ve- 

 sicles of the testis of, iv. 453. 

 Squamella, a genus of Rotifera, iv. 406. 

 Squamipennes, a family of Fishes, iii. 956. 

 Squamous portion of the temporal bone, i, 731. 

 Sqiiamous suture, i. 737. 

 Squirrel (Sciurus), anatomy of the, iv. 370, et seq. 



spermatozoa of the squirrel, iv. 475. 

 Squirrel, flying (Pteromys volitans), anatomy of the, iv. 



3h'8, et seq. 

 Stag, effect of castration on the growth of the horns of the, 



ii. 718. 



Stag-beetle (Lucanus cervus), ii. 801, note. 

 Standing, effect of long-continued, on the veins of the leg, 



iii. 128. 

 Stapertius muscle, ii. 549. 



functions of the, ii. 574. 

 Stapelia, or carrion-flower, iv. 700. 

 Stapes, or stirrup-bone, ii. 547, 548. 



ligamentum annulare baseos stapidis, ii. 548. 

 development, ii. 560. 

 muscles of the, ii. 549. 



functions of the muscle, ii. 574. 

 functions of the stapes, ii. 573. 

 abnormal conditions, ii. 561. 

 StapliylinidcE, ii. 859. 

 Slaplu/loma pellucidum, ii. 177. 



Star-jish, ii. 31, et seq.; iii. 537; iv.850. See ECHINODERMATA. 

 muscles of the, iii. 537. 

 nervous system of the, iii. 602. 

 Starch of corn, s. 393. 

 Starvation, colliquative diarrhoea in cases of, iii. 752. 



causes of the foetid odour of animalsjreduced by starva- 

 tion, iii. 752. 

 commencement of decomposition of the body before 



death from, iii. 152, 153. 

 Statistics, note on the term, iv. 803, note. 

 STATISTICS, MEDICAL, iv. 801. 

 general remarks, iv. 801. 804. 



1. of facts considered as the elements of statistical 



inquiries, iv. 804. 



phenomena of varying intensity, iv. 804. 

 events brought about by a multitude of causes, iv. 



804. 



2. of the average and extreme results deduced from ob- 



servation, iv. 806. 



of extreme values derived from observation, iv. 813. 

 Statistics, vital. See VITAL STATISTICS. 

 Statoblasts, winter egg, or hyberuating ovum, of animals, s. 



[117]. [119], [127]. [128]. 

 Stearins, i. 59. 

 Steatoma, i. 63 ; iv. 97. 

 Steatomatous deposits, i. 231, 232. 



concretions of pancreas, s. 110. 

 Steenstrup, alternating generations of, s, 13. 34. 



the ' nurse " of Steenstrup, s. 31. 37. 



parthenogenesis, s. 37. 

 Stellate ligament, iv. 1032. 

 Stellated vessels, iii. 16-4. 



Nteno, duct of, or duct of the parotid gland, iv. 423. 1-104. 

 Stenunia, a genus of Myriapoda, iii. 546. et seq. 

 Stenops, a genus of Quadrumana, iv. 214, et icq. See QUA- 



D RUM AN A. 



characters of the genus, iv. 214. 



Stcntor Roeselii, iv. 7. 



Stephanoceros, a gmus of Rotifera, iv. 403. 



i Eichornii, iv, 403. 



Stepkanops, a genus of Rotifera, iv. 400. 



Steppes of High Asia, characters of the races inhabiting the , 



iv. 1351. 



Sterclmintka, a class of parasitic animals, ii. 111. 

 digestive organs ot the, s. 296. 

 acrite condition of the nervous and muscular systems 



in, iii. 534. 



generative organs of, ii. 410. 

 Stereoscope, the, iv. 1450. 

 Sternal labia of Arachnida, i. 203. 



nerves, iv. 753. 



Sternapsis thalassemoides, ova of, s. [126]. 

 SfT?io-cleido-mastoid muscle, i. 483. 734 ; iii. 565 ; iv. 817. 



action and relations, iii. 565, 583. 

 S/f>'o-costalis muscle, iv. 1055. 



action, iv. 1055. 

 Sterno-byoid muscles, i. 483 ; ii. 851 ; iii. 102. 105. 562 ; iv. 



1022 ; s. 259. 



Sto'wo-hyoid branch of ninth pair of nerves, iii. 722. 

 S/erno-mastoid muscle, i. 749 ; ii. 851 . 



artery for, i. 488. 

 Sterna-thyroid, muscle, i. 483. 

 Sto-no-thyroid muscle, ii. 851 ; iii. 105. 563; iv. 1022 ; 



s. 259. 

 Sternum, iv. 1022. 



position and size, iv. 1022. 



surface, anterior or cutaneous, iv. 1022. 



posterior (mediastinal or cardiac), iv. 1022. 

 borders of the sternum, iv. 1023. 

 extremity, clavicular, iv. 1023. 



inferior, iv. 1023. 

 connexions, iv. 1023. 

 structure, iv. 1023. 



ligaments of the, iv. 1023. 



development or ossification of the sternum, iv. 1023. 

 ossification of the first piece, iv. 1023. 



of the body, or second, third, and fourth pieces, 



iv. 1024. 

 union of the points of ossification of the body of 



the sternum, iv. 1024. 



ossification of the xiphoid appendix, iv. 1024. 

 condition of the sternum in emphysema of the lungs, iv. 



1038. 



movements of the, in respiration, iv. 334. 

 Stichidia of red Algae, s. 221. 



Stic/a pulmonacea, organs of reproduction of, s. 230. 

 Stigmata, or respiratory organs of the Arachnida, i. 204. 



peritrema of, i. 204, 205. 

 Stil/ingia, or tallow- tree of China, i. 58. 

 Stimulants, considered as food, s. 395. 



action of. on the heart and circulating S5 l stem, i. 721. 

 Stimuli of muscular contraction, i. 717 ; iii. 521. 

 remote, iii. 521. 

 immediate, iii. 521. 

 of nerves, iii. 720 K. 



mental stimuli, iii. 720 K. 

 physical stimuli, iii. 720 K. 



effects of the Galvanic stimulus, iii. 720 X. 

 Sting of the bee, ii. 992. 

 Stirrup-bone, or stapes, ii. 547, 548. 



stapedius muscle, ii. 549. , 



functions of the muscle, iii. 574. 

 development, ii. 560. 

 abnormal conditions, ii. 561. 

 functions of the, ii. 573. 

 STOMACH AND INTESTINE, s. 293. 

 definition, s, 294. 

 Comparative Anatomy, s. 295. 

 Infusoria, s. 295. 



Gregarina and Opalina, s. 295. 

 Polygastria, s. 295. 

 Rotilera, s, 295. 

 Entozoa, s. 295. 



. Kchinococci, s. 295. 

 /3. Cestoid and Trematoid divisions, s. 295. 

 y. in many creatures closely allied to the pre- 

 ceding, s. 296. 

 Polypifera, s. 296. 

 in Hydrae, s. 296. 

 in the Actiniae, s. 296. 

 in the compound polyp, s. 296. 

 in the tubularian polyp, s. 296. 

 in the cilio-branchiate polyp, s. 297. 

 Acalepha?, s. 297. 

 Echinodermata, s. 297. 

 Holothuriae, s. 297. 

 Annelida, s. 297. 

 Epizoa, s. 2H8. 

 Crustacea, s. 298. 

 Insecta, s. 298. 



stomach in the larva, s. 298. 



in the perfect insect, s. 298. 

 the infjluvies or crop, s. 298. 

 the gizzard, s. 298. 

 the stomach, s. 298. 

 Arachnida, s. 298. 



Acari, or mites, s. 299. 



Aranei, or spiders proper, s. 209. 



Scorpions, s. 299. 



