832 



GENERAL INDEX. 



OsteopJiytes, iv. 134, 135. 



Csteoptcrygii, a division of Fishes, iii. 956. 



characters of the division, iii. 956. 

 Osteosarcoma, ostecsteatoma, spinaventosa, enchondroma, 



i. 460; iv. 132-134. 

 description of, i. 460. 

 localities attacked, i. 460. 

 progress of, i. 462. 

 symptoms, i. 462 

 of the bones of the face, ii. 220. 

 malignant, of the hand, ii. 516. 

 benign, of the hand, ii. 514516. 



remarkable case of, ii 515. 



0A-teo-sarcomatous tumours of the pelvis, s. 206. 

 Osteum sinus, ii. 538. 



internum aqueductus vestibuli, ii. 530. 

 sive apertura, scalar vestibuli cochlete, ii. 530. 

 tubuli, ii.538. 



Ostfiim abdominale, s. 599, 600. 

 uterinum, s. 599. 

 recti. See ANUS. 



Ostrea (oyster), nervous system of the, iii. 604. 

 Ostrich, pelvis of the, s. 167. 

 velocity of the, iii. 451. 

 Otic, or auricular, ganglion of Arnold, ii. 292. 555. See 



SYMPATHETIC NERVE 

 Otitls of the membrana tympani, ii. 575. 

 Oto Indian, portrait of, iv. 1363. 

 Oloconia, ii. 539. See HEARING, ORGAN OF membraneous 



labyrinth. 



office of the, in the function of hearing, ii. 567. 

 Otoglena, a genus of Rotifera, iv. 404. 

 Otolicnu , a genus of Quadrumana, iv. 214, et seq. See 



QUADRUMANA. 



characters of the genus, iv. 214. 

 Otulitki, ii. 539. See HEARING, ORGAN OF membraneous 



labyrinth, 

 office of the, in the function of hearing, ii. 567. 



of fishes, iii. 1004. 

 Otter, feet and mode of progression of the, in water, iii. 



43<J. 



Ourang-cetan (Simla satyrus), anatomy of the, iv. 198, et 

 seq. 



organs and mode of progression of the, iii. 455. 



pancreas of the, s. 98. 



organs of voice of the, iv. 1487. 

 Ova subventanea, ii. 455. 

 Oval fenestra, or fenestra vestibuli, ii. 530. 



foramen of sphenoid, ii. 530. 



pelvis of ear, ii. 530. 

 Ovarian arteries, s. 552. 640. 



effusions, analysis of, iii. 483. 



veins, iv. H13. 



Ovaritis, or inflammation of the ovary, s. 576. 

 Ovary, s. 547. 



normal anatomy, s. 52. 547. 



form, s. 547. 



dimensions and weight, s. 49. 547. 



position and connexions, s. 548. 



component parts, s. 548. 



1. protecting parts or tunics, s. 548. 



peritoneum, tunica albuginea, iii. 944 ; s. 

 56. 548. 



2. parenchyma or stromi, s. 549. 



3. Graafian vesicles, ii. 449; s. 56. 550. 



4. bloodvessels and nerves, s. 552. 



relation of the ovaries, ovum, oviduct, and uterus 



in Mammalia, s. 53. 57. 

 relations of the form of the ovaries to the discharge 



of ova, s. 54. 

 structure of the ovaries themselves, as related to 



the production of the ovula, s. 56. 

 functions of the ovary, s. 5.02. 



approximation of the fimbriated extremities of the 

 Fallopian tubes to the ovary after fruitful sexual 

 union, ii. 447. 

 vascularity of, during and after sexual union, ii. 



447, 4 18. 

 influence of the, in developing the general sexual 



peculiarities of the female, ii. 714, tt seq. 

 the developmental changes in the ovicapsules, and 



the process of emission of ova, s. 552. 

 1st stage, origin of the ovicapsules, s. 554. 

 2nd stage, growth, maturation, and prepara- 

 tion for dehisccnce. s. 555. 

 3rd stage, rupture or dehiscence, and escape of 



ova, s. 558. 



4th stage, decline and obliteration of the ovi- 

 capsules, s. 561. 



A. without impregnation, s. 561. 

 U. after impregnation, s. 56.3. 

 spontaneity of the emission of ova, s. 566. 

 nature of the corpus luteum,ii. 449 ; s. 56t. 56 >. 

 classified arrangement of all the condition* which 

 the Graafian follicle exhibits during evolution 

 and involution, s. 570. 



summary of the cone Hsions which the>e conditions 

 afford with reference to questions in obstetric 

 and forensic medicine, s. 571. 

 development and involution of the ovary, s. 571- 



the origin of the ovary, and the alterations which 

 it undergoes at different periods of life, s. 571. 



Ovary continued. 



abnormal anatomy of the cvary, s 573. 

 effects of extirpating the ovary, s. 573. 

 deficiency and arrest of development, s. 573. 

 atrophy and hypertrophy, s. 573. 

 softening of the, iv. 712. 

 induration of the, iv. 712. 

 displacement, hernia, s. 573. 

 diseases of the tunics, s. 574. 

 inflammation, s. 574. 

 ulceration, rupture, s. 574. 

 hypertrophy, calcification, s 574. 

 diseases of the proper tissues, s. 576. 

 hyperasmia, s. 576. 

 inflammation, s. 576. 

 suppuration, s. 577. 

 simple, multiple, multilocular, and proliferous 



cysts, s. 578. 



the contents of ovarian cysts, s. 582. 

 fluid contents of cyits, s. 582. 

 quantity and rate of effusion, s. 582. 

 composition of the fluids contained in ovarian 



cysts, s. 583. 

 hydatids, s. 584. 



solid contents of ovarian cysts ; sebaceous and 

 sudoriparous glands ; fat ; hair ; teeth ; true 

 bone, s. 584. 



origin of the solid contents of cysts, s. 58(1 

 fcetus contained in the ovary (?) ; the question 



of ovarian gestation considered, s. 586. 

 examples of supposed ovarHtn gestation, s. 



587. 



origin of ovarian cysts in general, s. 590. 

 solid enlargements of the ovary, s. 5;)1. 



cartilaginous and os.sific formations, s. 591. 

 cancer, colloid or alveolar, medullary and scirrhous, 



s. 591 . 



scrofulous tubercles, s. 593. 

 Ovicapsule. See Graafian follicle. 

 Oviduct, s. 597. See Fallopian tube. 

 Oviposition in Arachnidans, i. 211. See ARACHNIDANS ; 



OVUM. 



Ovls, anatomical characters of, s. 508, et seq. 

 Ovis Ammon, vocal organs and voice of, iv. 1494. 

 Ovisac, structure of the, s. 551. 

 Ovo-viviparous animals, i 146. 



generation, ii. 424. 407. 434. See GENERATION ; GE- 



NKRATION, ORGANS OF. 

 Ovology. See OVUM. 

 Ovulathn, s. 3. See OVUM. 

 Ovulum, or unimpregnated ovum, ii. 451. 

 OVUM (in animal anatomy and physiology), s. 1. See also 



GENERATION. 

 definition, s. 1. 

 review of the topics to be discussed, s. 1. 



sexual and non-sexual modes of reproduction, 

 s. 2. 



I. of the ovum in general as related to the sexual pro- 



cess of generation, s. 3. 

 definition, s. 3. 

 ovulation, s. 3. 

 the chorion, ii. 453: s. 3. 

 the spermatic substance or sperm, s. 3. 

 the embryo-cell, s. 4. 

 development, or embryo-genesis, s. 4. 

 structural distinctive characters of an ovum, ii. 



434-. 448. 451 ; s. 5. 



II. of the non-sexual mode of generation, s. 5. 



1. of the process of reproduction in Protozoa, or 



animals in which the sexual distinction has 

 not yet been discovered, s. 6. 

 Gregarmae, s. 7. 



2. of the possibility of primary, direct, or non-pa- 



rental production of animals, or of so- 

 called spontaneous and equivocal genera- 

 tion, s. 9 

 Entozoa, s. 11. 



3. production of dissimilar individuals among 



the sexual animals by a non-sexual pro- 

 cess : so-called alternate generations, s. 

 12. 



embryological development, s. 12. 

 metamorphoses, s. 12. 

 metagenesis, s. 13. 38. 

 larva, s. 13. 



alternate reproduction of 

 Echinodermata, s. 14. 

 Polypina, s. 16. 

 Acaleph.TB, s. 20. 

 Mollusca, s. 22. 

 Salpidae, s. 23. 

 Entozoa, s. 24. 



cystic Entozoa, s. 25. 

 free tapeworms, s. 27. 

 Trematoda, s. 29. 

 Annelida, s. 32. 

 Insecta : Aphides, s. S3. 

 general remarks on alternate generations, s. 13. 



34. 



the " nurse " of Steenstrup, s. 37. 

 parthenogenesis, s. "7. 

 additional remarks, 4". 



