GENERAL IN 7 DEX. 



771 



Deer _ contnuteil. 



skeleton of the, s. f>07. 

 skull of, s. 511. 



Weberian organ of the, iv. 1421. 142. 

 Deer, red (Cervus elephas), calculus of the " deer's trars," 



IT. 82, 

 Defalcation, ii. 20 ; s. 370. 



agents of the process of, iii. 721 L ; s. 370. 



offices of the muscles of the anus in performing 



the act of, i. 10. 

 part taken by the abdominal muscles in aiding, i. 



16, 17. 



sketch of the phenomena of, s. 371. 

 the Iteces, s. 372. See F&ccs. 

 condition of, during the sleep of hibernating animals, 



ii. 708. 772. 



Defecation of hair, iv. 142. 



Defloration of a virgin during ordinary sleep, iv. 682. 

 Deformity, congenital. See TERATOLOGY. 

 Deglutition, process of, ii. 8; iii. 760 ; s. 311. 398. 

 analysis of the act of, iii. 721 I. 

 exciting cause in the movements of, iii. 722 K. 

 function o! the pharyax, mouth, and palate, in deglu- 

 tition, iii. 953. 



function of the oesophagus in, iii. 759. 

 involuntary nervous action in, iii. 589. 

 uses of the salivary glands in, iv. 4'<>9. 

 functions of the tongue in, iv. 1152. 

 lirst stage : oral, iv. 1152. 

 second stage : pharyngeal, iv. 1152. 

 third stage : cesophageal, iv. 1153. 

 difficult cases of deglutition, iii. 119, 120. 

 Dt'ilt-pliila Elpenor, or Elephant sphinx, ii. 867. 

 Deirodon, teeth of the, iv. 88G. ' 

 Delirium preceding death, i. 799. 

 phenomenon of, iii. 722 Y, 723 B. 

 tremens, iii. 720. 



visual conceptions in, i. 800. 

 characters of the urine in, iv. 1291. 

 Drlvhinidce, family of, i. 563. 

 Deltoid fossa, i. 216. 

 impression, iv. 571. 

 ligament, i. 152. 



muscle, i. 216, 217- 359; ii. 159, 160; iv. 435, 571. 

 nerves, iv. 760. 

 ridge of humerus, ii. 159, 169. 

 Dementia, iv. 686. 



preceding death, i. 709. 

 Dendrodoa, a genus of Tunicata, iv. 1187, el seq. 



characters of the genus, iv. 1 187. 

 Dcndrodus, teeth of, iv. 869. 

 Dental, or maxillary, artery, i. 489. 



inferior, ii. 227. 

 superior, ii. 227 

 canal, inferior, ii. 214, 215. 



lower, ii. 214. 

 foramina, posterior, ii. 208. 

 superior, ii. 2H. 

 nerve, inferior, ii. 29-'. 294. 



course, ii. 294. 

 posterior superior, ii. 289. 

 anterior superior, ii. 289. 

 vein, inferior, iv. 14''5. 



system (in comparative anatomy). See TKETH. 

 Dent'ate body, iii. GD2. 



fascia, ii' ; . 675. 

 Dentated ligament (serrated membrane of Gordon), iii. 



645. 



office of the, iii. 645. 

 Dentine, iv. 864, 86\ 



De7ite$ scalprarii of Rodentia, iv. 368. 382. 

 Deposition, excessive, of fat, i. 62. 



Deposits, or non-stromal formations, iv. 103. See PRO- 

 DUCTS, ADVENTITIOUS. 



abnormal, in mucous membrane of the liver, iii. 183. 

 in absorbent vessels, iii. 233. 

 tubercle, iii. 233. 



cancer, melanosis, and encephaloid matter, iii. 233. 

 calcareous and carbonaceous deposits, iii. 23l. 

 adventitious, on the heart, ii. 041. 

 atheromatous, in veins, iv. 1402. 

 Depressor alae nasi (musculus myrtiformis), ii. 223 ; iii. 



m. 



relations and action, iii. 7^. 

 anguli oris muscle, ii '22"). 



relations and action, ii. 225. 

 labii inferiors muscle, ii. 22*. 



relations and action, ii. 225. 

 septi narium muscle, iii. 729. 



relation and actions, iii. 729. 

 urethrae muscle, iv. 1'264. 

 Derbesia. mode of reproduction of, s. 214. 

 Dermal system of Amphibia, i. 102. 

 Dermaptera, an order of Insecta, ii. S'>3. 

 characters of the order, ii. 863. 

 mode of flight of the, iii. 421. 

 Dermapterygii, a division of Fishes, iii. 957, et seq. 



characters of the division, iii. 957. 

 Des Cartes, his theory of the chief source of nervous power, 



iii. 677. 



Descendens noni nerfe, iii. 721 ; iv. 754. 

 DetmidicE, mode of reproduction of, s. 218. 



Desiccation of organic substances, iii. 793. 

 method of per'orming, iii. 79?, 794. 

 apparatus for desiccation of organic substances, iii. 



813. 



Dclrusor urinae muscle, i. 381 ; iv. 1263. 

 Devil of Van Diemen's Land (Dasyurus ursinus), iii. 259. 

 Diabetes mellitus, iv. 97. 



specific gravity of the blood in, i. 416. 

 state of the blood m, i. 427. 



effects of diabetes on the circulation, i. 793. 



fatty degeneration of pancreas in cases of diabetes, 



s. 111. 

 characters of the urine in diabetes mellitus, insi- 



pidus, and chylosus, iv. 1293. 

 saccharine, iv. 99. 



theories of the pathology of, iv. 99. 

 Diamond, composition of the, iv. 1438. 

 Diaphoretics, effects of, on animal heat, ii. 682. 

 DIAPHRAGM (in anatomy generally), ii. 1. 



definition, i. 2 ; ii. 1. 

 DIAPHRAGM (in human anatomy), ii. 1. 

 form, structure, and organisation, ii. 2. 

 arteries, ii. 4. 

 muscles, ii. 2; iii. 544. 



costal, upper, true, or greater, ii. 2. 



centrum tend ineum, cord i form tendon, ii. 2. 

 ligamentum arcuatum externum. ii. 3. 

 internum, ii. 3. 

 septum transversum, ii. 2. 

 vertebral, or smaller muscle.- crura, pillars, 



or appendices, ii. 3. 

 foramina, or openings, ii.3. 

 foramen aorticum, ii. 3. 



quadratum s. venosum, ii. 3. 

 other smaller foramina, ii. 4. 

 lymphatics, ii. 4. 

 nerves, ii. 4. 

 peritoneum lining the, i. 14. 



peritoneal investment of the under surface of the 



diaphragm, iii, 944. 

 pleura diap*>ragmatica, iv. 2. 



relations to the pleura, peritoneum, &c., ii. 4. 

 veins, ii. 4. 



malformations and diseases, ii. 6. 

 absence, ii. 6. 



cartilaginous and osseous deposits, ii. 6. 

 displacement from ascites, &c. ii. 6. 

 gangrene, collection of pus, tumours, &c., ii. 6. 

 inflammation, ii. 6. 

 openings, ii. 6. 



rupture, risus Sardonicus, ii. 6. 

 ulcers, ii. 6. 

 wounds, ii. 6. 



uses of the diaphragm, ii. 4. 



part performed by the, in respiration, iv. 32-1. 1081. 

 congenital perforation of the, i. 508. 

 Diaphragmatic hernia of foetus in utero, ii. 319. 

 Diaphragmatic nerve, iv. 754. 



plexuses of nerves, right, s. 428. 



left, s. 428. 

 Diaphragmitis, ii. 6. 

 Diarrhoea, syncope from, i. 797. 



colliquative, occurrence of, in animals reduced by star- 

 vation, iii. 752. 



Diarthrodial cartilage, i. 248. 255. See ARTICULATION. 

 Diarthrosis, class of articulations, i. 2o5. 

 arthrodia, i. 256. 

 enarthrosis, i. 256. 

 ginglymus, i. 256. 

 rotatoria, i. 256. 



synarthrodica, form of articulation, i. 255. 

 Diastase, process of, iii. 153 ; s. 105. 



natural and artificial conversion of gum, starch, and 



lignin into sugar, iii. 153. 



Diastole, or relaxation, of the heart's auricles and ventri- 

 cles, ii. 602 604. See HEART, PHYSIOLOGY OF. 

 Diazona, a genus of Tunicata, iv. 1 190, et seq. 



characters of the genus, iv. 1190. 

 Dibranchiata, i. 519. 



characters of the order, i. 519.* 



Dichitonida, a sub-class of Tunicata, iv. 1 186, et seq. 

 characters of, iv. 1186. 

 families of, iv. 1187, et seq. 



Dichobune, an extinct genus of Pachydermata, which see. 

 Dicotyles, anatomy of the. See PACHYDERM ATA. 

 Dictyotacea: , mode of reproduction of the, s. 216. 

 Dicynodon lacerticeps, skull of, iv. 889. 

 Didelphys, a genus of Marsupialia (opossums), iii. 261 



el seq. 



characters of the genus, iii. 261 . 

 species of, iii. 261. 

 Didelphys cancrivora, iii. 261. 



opossum, organs of voice of, iv. 1491. 



cynocephalus, or hyaena of Van Diemen's Land, iii. 



258, et seq. 

 Virginiana, iii, 261. 



Didemnina, a tribe of Tunicata, iv. 1190. 

 genera, iv. 1190, 1191. 

 characters of the tribe, iv. 1 190. 

 Didemnum, a genus of Tunicata, iv. 1190, et seq. 



characters of the genus, iv. 1 190. 

 Didus ineptus (dodo), account of the, i. 269. 



