83 1 



GENERAL INDEX, 



Oxygen, respiration of, in animals, i. 133. 257, 258. 



quantity of, abstracted from the atmosphere by respi- 

 ration, iv. 326, 327. 354. 

 weight of oxygen gas in the atmosphere upon every 



part of the earth's surface, iv. 3ii7. 

 OxytrichinidtB (hackle animalcules), a family of Polygastric 



animals, iv. 5. 



characters of the family, iv. 5. 

 Oxyuri, ii. 1 13. 



Oysters, nervous system of, iii. 601. See CONCHIFERA. 

 , iii. 739. 



P. 



Paca (Cavia Paca), anatomy of the, iv. 372, et seq. 

 Paccliioniiin bodies, iii. 629. 631. 691. 

 description oi them, iii. 644. 

 are they natural structures ? iii. fH5. 

 gland*, i. 7i.'9. 735; iii, b'29. b'31. 6i4. 645. 

 loss*, i. 729. 735. 



PACHYUEKMAI-A, an order of Mammalia, iii. 858. 

 enumeration of genera, iii. 859. 

 osseous system, iii. 859. 

 cranium, iii. 859. 



occipital bone, iii. 859. 

 parietal bones, iii. 860. 

 frontal hones, iii. 8uO. 

 ethmoid, iii. 8iiU. 

 sphenoid, iii. 8iil. 

 ribs and sternum, in. 861. 

 anterior extremities, iii. 862. 

 scapula, iii. 862. 

 clavicle, iii. 862. 

 humerus, iii. 862. 

 radius and ulna, iii. 3G2. 

 carpus, iii. 86J. 

 metacarpus, iii. 163. 

 phalanges, iii. 863. 

 posterior extremities, iii. 864. 

 pelvis, iii. 864. 

 lemur, iii. 864. 

 tarsus, ni. 864. 

 metatarsus, iii. 861. 

 phalanges, iii. 864. 

 teeth, iii. 865. 



of Ssuidae, iii. 865. 

 Choiropotamida;, iii. 865. 

 Hippopo tarn ids, iii. 86ri. 

 Toxodun, Elasmotherium, iii. 806. 

 Khinocerotidse, iii. 866. 

 IJinotherium, iii. 867. 

 Proboscidia, Elephant, iii. 867. 

 digestive system, iii. 871 ; s. 303. 



stomach and intestines, liver, iii. 871, 872. 

 spleen, iii. 871. 

 salivary glands, iii. 872. 

 os hyoides, in. 87-. 



circulatory and respiratory system, iii. 872. 

 thymus gland, iv. 1097. 

 urinary organs, iii. 873. 

 generative organs, in. 873. 

 male, iii. b73. 

 female, iii. 8/3. 

 pelvis, s. 155. 



Weberian organ of, iv. 1419. 

 nervous system,_iii. 874. 

 brain, iii. 8/4. 



special senses, iii. 874. 

 touch, iii. 874. 

 snout, iii. 874. 



proboscis of the eU phant, iii. 875. 

 smell, iii. 875. 



frontal, maxillary, and sphenoidal si- 

 nuses, iii. S/5-6. 

 eye, iii. 876. 



ligamentum nuchae, iii. 876. 

 organs and mode of locomotion, iii. 454. 

 PACINIAN BODIES, iii. 876 ; s j 504. 

 general description, iii. 8/6. 

 stalk, iii. 878. 



channel lor the stalk, iii. 878. 

 capsules, iii. 78. 

 ariery, iii. 878. 

 central cavity, iii. 878. 

 nerve tube, iii. 8/9. 

 function, or u>e, iii. 879. 

 comparison with the electrical organs of the torpedo, 



iii. 879. 



Fa?phagomys, anatomy of the, iv. 376, cl scq. 

 Piigurus (hermit-crab;, nervous system ot tile, in. 613. 

 PaU'uthcrium, anatomy ot the. bee PACHY.DEHMATA. 

 Palate, hard, iii. 950. See Palatine arch, 

 soft, iii. 952. See Palatine arch. 



abnormal state of the, connexion between paraly- 

 sis ot the portio dura and, iv. 553. 

 Palate bones, ii. 210. 

 borders, ii. 210. 



anterior, ii. 210. 

 inferior, ii. sill, 

 interior, ii. 210. 

 superior, ii. 211. 



Palate continued. 



connexions, ii. 211. 

 development, ii. 211. 

 structure, ii. 211. 

 Palatine arc'i, and gums, iii. 950. 

 gums, iii. 951. 

 velum, palati, iii. 951. 

 muscles of, iii. 951. 

 glands of the soft palate, iii. 952. 

 tonsils or amygdalae, iii. 952. 

 See ah o PHARYNX AND Mourn. 

 Palatine artery, anterior, iii. 733. 

 superior, i. 490. 



inferior, i. 486; ii. 556 ; iii. 949. 

 bone, i. 728 ; ii. 210 ; iii. 725. 

 canal, anterior, ii. 2(iS. 

 glands, iv. 4V6. 

 hiatus, i. 727- 

 holes, accessory, ii. 210. 

 nerves, ii. 286; iii. 951. 

 great, ii. 86. 

 lesser, ii. 286. 

 middle palatine, ii. S6. 

 posterior palatine, ii. 287. 

 process, or plate, ii. 208. 210. 

 veins, iv. 1404. 

 Prt/u/o-glossus muscle, iii. 952 ; iv. 1121. 1132. 



relations and action, iii. 952 ; iv. 1133. 

 7'a/a/o-pharyngeus muscle, ii. 947. 952 ; iv. 1121. 



relations and action, iii. 952. 

 Pata/o-staphylinus muscle, iii. 952. 

 Palm-cats, dentition of the, iv. 911. 

 Palmar arch of veins, superficial, iv. 1407. 



deep, iv. 1407. 



cutaneous nerves, ii. 524; iv. 757. 

 fascia, ii. 525. 



disease of the, ii, 517. 525. 

 ligaments. See Ligaments. 

 Palmar is brevis muscle, ii. 520. 



relations and uses, ii. 520. 

 longus muscle, ii. 264. 367. 

 PalmettecE, mode of reproduction of the, s. C'2fl. 

 Pali<>!>lea macrococca, mode of reproduction of, s. SCO. 

 Palpebrce. See Eyelids. 

 Palpebrnl, or tarsal, arches, iii. 93. 

 arteries, i. 492 ; iii. 786. 

 inferior, i, 402 ; iii. 93. 

 superior, i. 492 ; iii. 93. 

 conjunctiva, iii. 83. See Conjunctiva* 

 fascia, 227- 



fissure, or rima palpebrarum, iii. 79. 

 ligaments, external, iii. 81. 

 internal, iii. 81. 

 nervs, ii. CSO. 289. 

 external, ii. 289. 

 internal, inferior, ii. 2S9. 

 Palpebrarum oibicularis, ii. 211. 

 Pa/pi as special organs of touch, iv. 1167. 

 Palpitation of the heart, cause of, i. 416. 

 Paludicella, ova of, development of, s. [127], [128]. 

 Pampiniform ducts, iv. 982. 

 PANCREAS, i. 127 ; ii. 20; iii. 483. 943 ; s. 81. 

 definition, s. 81. 

 I. Human anatomy, s. 81. 

 situation, s. 81. 

 relations, s. 81. 

 shape, s. 82. 



right extremity or head, s. 83. 

 left extremity, s. 8 i. 

 upper border, s. 82. 

 lower border, s. 83. 

 anterior suiface, s. 83. 

 posterior surface, s. 83. 

 size and weight, s. 83. 

 general appearance, s. 84. 

 internal structure, s. 84. 



duct of the pancreas, s. St. 

 vessels, s. 86. 



arteries, s. 86. 



lymphatic vessels, iii. 2CG; s. 86. 

 nerves, s. 86. 



II. Microscopic anatomy, s. 86. 

 gland substance, s. 86. 



.. the basement or limitary membrane, s. 87. 

 /3. epithelium, s. 88. 



y. occasional appearance of a central cavity in 

 each follicle, the epithel um lining it in a 

 single cohuiinal-looking layer, and leaving 

 a central space unoccupied, s. 89. 

 duct, s. 89. 

 capillaries, s. 90. 

 Comparative anatomy, s. 90. 

 Invertebrata, s. 90. 



Gasteropoda, s. 90. 

 Cephalopoda, s. 90. 

 VertebraU Fishes, iii. 9S2 ; s. 91. 

 pyloric appendages, s. 91. 

 Reptiiia, s. 94. 



Batrachia, s. 9t. 

 Opliidia, s. 95. 

 S.uiria, s. 95. 

 Chelonia, s. 95. 



III. 



