860 



GENERAL INDEX, 



SMELL continued- 



purposes of the sense, iv. 701. 



the sense of smell, in the air-breathing Vertebrata, 

 is, as it were, the sentinel of the respiratory 

 organs, iv. 702. 

 acuteness of the sense of smell among savage tribes, 



iv. 702. 

 exaltation of the sense of smell when a deficiency 



of the other senses exists, iv. 702. 

 information conveyed by the sense of smell, iv. 703. 

 classification of odours, iv. 703. 

 Smell, organ of. See NOSE. 

 Snail, common (Helix pomatia), generative process of, ii. 



397, 398. 



nuptial chain of marsh -snails, iii. . r 66. 

 organs and mode of progression, iii. 445. 

 nervous system, iii. 605. 



power of snails of reproducing lost parts, ii. 402. 

 slimy secretion, ii. 404. 



Sneer of contempt, muscles which cause the, iii. 729. 

 Sneezing, iii. 735. 



influence of, on paralytic limbs, iii. 41. 

 Snipe (Scolopax gallinula), nervous system of the, iii. 622. 

 Snout of the hog, iii. 874. 

 Snoiv, red, of the Arctic regions (Protococcus Kerme- 



sianus), ii. 117. 

 Sodium, chloride of, or common salt, 



effect of, in facilitating digestion, s. 335. 

 its alimentary value, s. 395. 

 Si>ft commissure of the brain, iii. 702. 

 SOFTENING AND INDURATION, iv. 703. 

 definition, iv. 703. 



causes of softening and induration, iv. 704. 

 softening of the brain, iii. 720 A ; iv. 706. 

 white, iii. 720 A. 

 red, iii. 720 A. 

 cartilage, iv. 712. 

 cellular tissue, iv. 712. 

 heart, iv. 707. 

 kidney, iv. 712. 

 lungs, iv. 707. 



membranes : mucous, serous, and ar- 

 ticular, iv. 708. 

 digestive canal, s. 407. 

 idiopathic, of the mucous membranes 



of the bladder, i. 399. 

 muscular structure, iv. 712. 

 osseous framework of the body, iv. 712. 

 ovaries, iv. 712 

 prostate gland, iv. 712. 

 skin, iv. 710. 



spinal cord, iii. 714; iv, 706. 

 red, iii. 714. 

 white, iii. 714. 

 pancreas, s. 109. 

 spleen, iv. 711. 

 uterus, iv. 712. 

 induration of the brain, iv. 706. 



cellular tissue, iv. 712. 



epididymis, iv. 712. 



fibrous tissue, iv. 713. 



heart, iv. 707. 



kidney, iv. 712. 



lungs, iv. 707. 



membranes : mucous, serous, and 



articular, iv. 710,711. 

 ovaries, iv. 712. 

 spinal cord, iv. 7C6. 

 spleen, iv. 711. 

 testicle, iv. 712. 

 uterus, iv. 712. 



See ADVENTITIOUS PRODUCTS, Growths. 

 Solar, cffiliac, or epigastric, plexus of nerves, s. 428. 

 Solar light, influence of, on animal luminousness, iii. 199. 

 Sole-pad of the dromedary, structure of the, s. 531. 

 Solea vulgaris, or sole, tongue of, iv. 1146. 

 Soleus muscle, iii. 127. 132. 138. 



relations, iii. 139. 

 Solids, sound transmitted by, ii. 566. 



animal progression on, iii. 440. See MOTION, ANIMAL. 

 Solidungula, pelvis of the, s. 156. 



Weberian organ in the, iv. 1419. 



SoLIPEDA,iv.713. 



definition of the group, iv. 713. 

 genus Equus, iv. 714. 



species : Equus caballus (the horse), iv. 714. 



Equus hemionus (the Dzigguetai), iv. 



Equus asinus (the ass), iv. 714. 

 Equus zebra (the zebra), iv. 714. 

 Equus quaccha (the quagga), iv. 714. 

 Equus montanus (the onagga or dauw), iv. 



similarity of these species in their anatomy, 



iv. 714. 



Osteology, iv. 715. 

 skull, iv. 715. 

 spinal column, iv. 716. 



cervical vertebrae, iv. 716. 



atlas, iv. 716. 



axis, iv. 716. 



vertebras of the loins, iv. 718. 



SOLIPEDA, osteology continued. 

 sacrum, iv. 718. 

 caudal vertebra?, iv. 718. 

 thorax, iv. 718. 



sternum, iv. 718. 

 ribs, iv. 718. 



anterior extremity, iv. 718. 

 scapula, iv. 718. 

 humerus, iv. 718. 

 forearm, iv. 718. 

 carpus, iv. 718. 

 metacarpal bones, iv. 719. 

 posterior extremity, iv. 719- 

 pelvis, iv. 719. 

 os femoris, iv. 720. 

 leg, iv. 720. 



tibia and fibula, ir. 720. 

 tarsus and metatarsus, iv. 721. 

 Myology, iv. 721. 



panniculus carnosus, iv. 721. 

 proper muscles of the spine, iv. 722. 

 spinalis dorsi et cervicis, iv. 722. 

 longissimus dorsi, iv. 722. 

 transversalis colli, iv. 722. 

 sacro-lumbalis, iv. 722. 

 cervicalis descendens, iv. 723. 

 multifidus spinae, iv. 723. 

 intransversarii colli, iv. 723. 

 longus colli, iv. 723. 

 quadiatus lumborum, iv. 723. 

 muscles which raise or straighten the tail, iv. 



723. 



which depress the tail, iv. 723. 

 adapted to move the tail laterally, iv. 



724. 



muscles derived from the spinal column which 

 serve immediately for the movements of the 

 cranium, iv. 724. 



muscles of the ribs and sternum, iv. 724. 

 walls of the abdomen, iv. 725. 

 anterior extremity, iv. 725. 



muscles of the shoulder, iv. 725. 



muscles inserted into the humerus, iv. 



724. 



muscles of the fore-arm, iv. 725. 

 flexors, iv. 725. 

 extensors, iv. 725. 

 supinators, iv. 725. 

 pronators, absence of, iv. 725. 

 muscles of the carpus and metacarpus, iv. 



725. 



muscles of the hand, iv. 728. 

 posterior extremity, iv. 729. 



muscles of the pelvis, iv. 729. 



muscles inserted into the os femoris, iv. 



729. 



flexor muscles of the leg, iv. 729. 

 extensor muscles of the thigh, iv. 729. 

 muscles implanted into the foot, iv. 730. 

 muscles implanted into the digit, iv. 730. 

 muscles which act immediately upon the 



lower jaw, iv. 731. 

 muscles of the os hyoides, iv. 731. 

 muscles of the tongue, palate, and larynx, 



iv. 732. 



muscles of the face, iv. 732. 

 alimentary apparatus, iv. 732. 

 teeth, iv. 732. 867. 

 salivary glands, iv. 732. 

 parotid, iv. 732. 

 submaxillary, iv. 732. 

 sublingual, iv. 732. 

 molar, iv. 732. 

 pharynx, iv. 732. 



stomach and intestine, iv. 733; s. 303. 

 liver, iv. 736. 

 spleen, iv. 736. 

 pancreas, iv. 737. 

 circulatory apparatus, iv. 737. 

 structure of the horse's foot, iv. 737. 

 horny hoof, iv. 737. 

 frog, iv. 738. 

 sole, iv. 739. 



cartilages of the foot, iv. 740. 

 soft parts of the foot, iv. 741. 

 nervous system and organs of the senses, iv. 741. 

 organs of generation, iv. 742. 

 male, iv. 742. 



scrotum, iv. 742. 

 penis, iv. 742. 

 testicles, iv. 742. 

 female, iv. 743. 



urinary bladder, iv. 743. 

 orifice of the uterus, iv. 743. 

 ovaria and Fallopian tubes, iv. 743. 

 gravid uterus, iv. 743. 

 urachus, iv. 743. 



hippomanes, iv. 744. 

 mammary glands, iv. 744. 



wild and domesticated horses compared, iv. 1313. 

 transmission of acquired instincts in horses, iv. 

 1313. 



