864 



GENERAL INDEX. 



Splcnfc artery, i. lf'5; IT. 7S7; s. 32G. 

 extremity of stomach, s. 308. 

 omentum, iii. 941. 

 plexus of nerves, s. 420. 

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

 Splenico phrenic fold, i. 14. 

 Splenius capitis muscle, i. 371 . 



colli or cervicis, i. 371. 

 Spondyhts, i. 112. 



mges, iv. 64. See PORIFERA. 

 mgia, a family of Porifera, i. 612; iv> 65. 

 characters of the family, iv. 65. 

 cilia, probability of, in, i. 612. 

 "faecal orifices" of, i. 612. 

 ciliary motion of the ova of, i. 613. 

 composition of the texture of Spongia officmalis, 111 . 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. [129]. 

 Spongilla, a family of Porifera, iv. 65. 



characters of the family, iv. 65. 

 Spongy portion of urethra, iii. 925. 



Spontaneous generation of animals, ii. 420. SeeGENEUATioN. 

 Sporangia in vegetable reproduction. See REPRODUCTION, 



VEGETABLE. 



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

 PRODUCTION, VEGETABLE. 

 Sponferous generation of Polygastria, iv. 16. 

 Sporophylla 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. 

 Springing-beetles, ii. 861. 

 Spur of the ornithorhynchus, iii. 406. 



use of the, iii. 40G, 4<)7. 



Squalus 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, 734. 

 Squamuus 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. 



368, 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. 

 Stapedius 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. 

 musrles of the, ii. 549. 



functions of the muscle, ii. 574. 

 functions of the stapes, ii. 573. 

 abnormal conditions, ii. 561. 

 Staphylinidts, ii. 859. 

 Stnpfii/loma pellucidum, ii. 177. 



Star-fish, ii. 31, et seq.;\i\. 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 thefcetid odour of animals reduced 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. 

 Stntob/asts, winter egg, or hybernating ovum, of animals, s. 



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

 Stearine, 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. 16H. 



Steno, duct of, or duct of the parotid gland, iv. 423. 1404. 

 Sten'inift, a genus of Myriapoda,'iii. 546. ct seq. 

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



DHUMANA. 



characters of the genus, k. 214. 



Stentor Roeselii, iv. 7. 



Stcphanoceros, a g-nus of Rotifera, iv. 403. 



Eichornii, iv, 403. 



Stephanops, a genus of Rotifera, iv. 406. 

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



iv. 1351. 



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

 digestive organs ot th; 1 , 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], 

 Sterwo-cleido-mastoid muscle, i. 483. 734 ; iii. 565 ; iv. 817. 



action and relations, iii. 565, 583. 

 Sferwo-costalis muscle, iv. 1055. 



action, iv. 1055. 

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



1022 ; s. 259. 



Slerno-hyoid branch of ninth pair of nerves, iii. 722. 

 Sterao-mastoid muscle, i. 749 ; ii. 851 . 



artery for, i. 488. 

 Sfemo-thyroid muscle, i. 483. 

 Sterno-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 Alga?, s. 221. 



Sticta pulmonacea, organs of reproduction of, s. 230. 

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



peritrema of, i. 204, 205. 

 Slillingia, or tallow-tree of China, i. 58. 

 Stimulants, considered as food, s. 395. 



action of, on the heart and circulating system, 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. 203. 

 definition, s, 294. 

 Comparative Anatomy, s. 295. 

 Infusoria, s. 295. 



Gregarina and Opalina, s. 295. 

 Polygastria, s. 295. 

 Rotifera, s, 295. 

 Entozoa, s. 295. 



et. Echinococci, s. 295. 



jS. Cestoid and Trematoid divisions, s. 295. 

 y. in many creatures closely allied to the pre- 

 ceding, s. 296. 

 Polypi fera, s. 296. 

 in Hydra-, 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. 

 Holothuriaj, s. 297. 

 Annelida, s. 297. 

 Epizoa, s. 298. 

 Crustacea, s. 298. 

 Insecta, s. 298. 



stomach in the larva, s. 298. 



in the perfect insect, s. 298. 

 the ingluvies or crop, s. 298. 

 the gizzard, s. 298. 

 the stomach, s. 298. 

 Arachnida, s. 293. 



Acari, or mites, s. 299. 



Aranei, or spiders proper, s. 209. 



Scorpions, s. 209. 



