788 



(, I:\I-.KAL INDEX. 



GENERATION, female external organs 



sebaceous and iniiri|>;irriiis glands and follicle* 



of the vulva; vulvo-vaginal glands, B. 71 1. 

 bull) of the vagina; pars intermedia; con- 



strictor vagina 1 , s. 712. 



blood-ve ,srls and nerves of tlie external or- 

 gans, s. 713. 

 abnormal anatomy, 

 labia, s. 714. 

 clitoris, K. 1H. 



nympha? and vestibule, s. 714. 

 hymen and osl.ium vagina', s. 715. 

 abnormal conditions of the 1 , in cases of hermaphrodlt- 



isin. Sec HBRMAPHRODITISM. 

 HENI-HATION (in physiology), ii. 424. 



definition, 424. 



I. Function of reproduction generally considered, ii. 

 426. 



1. introductory remarks, ii. 4.'0. 



2. theories of general inn. ii. 427. 



epigenesis and evolution, ii. 428. 



3. spontaneous general ion of animals, ii. 42!l. 



II. Sketch of the principal forms of the; reproductive 

 functions in different animals, ii. 432. 



I. non .sexual reproduction, ii. 432. B. 2. 5. 

 three forms of, s. 2, 3. 



fissiparous generation, ii. 432. 

 gemimparous generation, ii. 433. 

 reprodiiftion by tcparaled buds or spornles, 



ii. 433. 



of the process of reproduction in Protozoa, or 

 animals in which the sexual distinction has not 

 yet been discm'ei ed, s. 0. 



01 the possibility of primary, direct, or non-pa- 

 rental production of animals, or of so-called 

 spontaneous ami i i|iiivoeal gcnoatinn, s. 'J. 

 prodiiclii.n of ill imil. ir iml i v iduals among sexual 

 animals by a non-sexual process: so-called 

 " alter n at'- gene rations," s. 12. 

 embryological development, 6. 12. 

 metamorphoses, s. 12. 

 metagenesis, s. lit. 3<. 

 larva, s. 13 



alternating reproduction of 

 Iv hino'lermata, s. 14. 

 I'olypina, s. Hi. 

 Acalephip, s. '^0. 

 Mollnsca, s 'i'i. 

 Salpidic, a. 23. 

 Kntozoa, s. 24. 



cystic Kntozoa, 8. 2. r >. 

 fiee tapeworms, s. 27. 

 Trcmalnda, s. 2!). 

 Annehila, s. 32. 

 Insccta: Aphides, s. 33. 

 general remarks on alternate generations, B. 



lit. :M. 



the " nurse " of Sleen.slrup, s. 37. 

 parthenogenesis, s. 37- 

 2. Sexual reproduction, ii. 431. 



nature of the ovum, ii. 434. 



ovum in general as related to the sexual 



process ol generation, s. 3. 

 e-senlial conditions and phenomena of the 



sexual mode of general ion, B . 4. 

 relation of the ovum to fecundation by the 



male sperm, s. [137.] 

 action ol tin' spcimato/oa on the contents of 



the egg, 8. [137,] [138.] 

 hermaphrodite generation, ii. 1114. 

 dioecious reproduction, or with distinct in- 

 dividuals of different sexes, ovipaious and 

 viviparous generation, ii. 4:)f>. Set- also 

 OVUM. 



varieiies in respect to utcro-Rcstation and the 

 development of [he young, ii. 430. 



Marsnpi.iie general ion. ii. 4:11;. 



Monoii ' in,,l MIS generation, ii. 437. 

 compaiison ol animal and vegetable reprodiic 



tion, ii. 4U7. 

 synoptical table of the vai ions forms of the 



reproductive process, ii 43*. 

 III. Heprodnctive functions in man and higher 



animals-, ii. 43M. 

 sketch of ibis function in man, ii. 43H. 



See (Hi M ; I :-| i- id *i A \n 1 1 s APPENDAGES. 



organs of reproduction, ii. 4:in. 



puberty, il 13!i. 



structural differences of the sexes, ii. 439. 



menstrual ion, ii, 43'.!. Sec ,Mi.r>n'i in A HON. 



periodical heat in animals, ii. 411. 



age at. which puberly 01 cut ., ii. 411. 



period during which the geneialivc function 



in cxerciseil, ii. 442. 

 variations in the lower animals, ii. 412. 



i Mi-els ol castration, ii. 443. 



sexual feeling, ii. 413. 



relation of reproduction to the brain, ii. 



444. 



Gall's views of the connexion of the cere- 

 bellum with the- sexual functions, iii. 

 722 S. 



GUM-, it A TION, reproductive functions con I in n,-il. 

 distinction of species mules, ii. 311. 

 functions of external organs of reproduction, 



ii. 445. 

 erection, ii. 445. 



IV. Changes consequent on fruitful sexual union, ii. 



417. 



1. As regards the female chiefly Conception, 



ii. 447. 



turgescence of the generative organs after 

 conception, iii. 447. 



approximation of the fimbriated extremities 

 of the Fallopian tubes to the ovary, ii. 417. 



chaiiyes in the ovary ; bursting of the (iraaliau 

 vesicles, ii. 44*. 



formation of the corpus lutenin, ii. 449. 



descent of the ovum. Its structure and 

 changes during its passage, ii. 451. 



time at which the ovum arrives in the ute- 

 rus, ii. 453. 



change in the uterus after conccpliun, ii. 454. 



irregularities in the descent of the ovum, ii. 

 455. 



circumstances influencing liability to concep- 

 tion, ii. 450. 



signs of recent conception in women, ii. 457. 



office of the uterus in insemination, e. 071. See 

 UTKHI 8. 



office of the uterus in gestation, s. 072. 



gestation in 1-allopian tube, s. G20. 



varieties of, s. Ii21. 



2. As regards the male, ii. 457. 



fecundation, ii. 457. 



properties of the seminal fluid, ii. 457. 

 chemical properties, ii. 4. r .8. 

 spermatic animalcules, ii. 4.VI. 



table of their sizes in different 

 animals, ii. 400. 



See also Sl-.MKN. 



circumstances on which the fecundating 

 property of the seminal fluid depends, 

 ii. 401. 



dilferince between the fecundated and 

 unfecundated ovum, ii. 41 2. 



is material contact of the semen and ovum 

 necessary ? ii. 402. 



external and artificial fecundation, ii. 

 402. 



course of the seminal fluid within the 

 female organs, ii. 401. 



nature of the fecundating principle. 



Hypothesis of an auia, \c., ii. li.i,. 



general conclusions respi cling fecunda- 

 tion, ii. 407. 



V. Miscellaneous topics relating to the preceding 



history of generation, ii. 408. 



1. supcrl'cetation, ii. 40U. 



2. influence exened by parents on the qualities of 



their offspring, ii. 470. 



3. number of children and relative proportion of 



the male and female sexes, ii. 47*. 

 causes ol variation of sex, ii. 47!). 



table of the proporth f males to female-. 



born in different countries, il. 478. 

 See also OM-.M ; Ihi-.iirs AND ITS Ari'i MMI;I H. 

 Ci'sintion. See Generation i OM-M; I'M.IUJ.S AND ITS 

 APPBNDAOBB. 



Genial processes, ii. 214. 

 Ucnicular nerve, internal, ii. 241. 



(,'.///, I/I, III' bodies, iii. 700. 



external, iii. 700. 

 internal, iii. 700. 



their relation to the optic nerves, iii. <0s. 

 ganglion, iv. 54!), 550. 

 <ii->in>i>lusiitis muscle, iv. 1125. 1133. 



action and relations, iv. 1133. 

 Gcnio-hyo-glolttU muscle, iii. 505. 



action and relations, Iii. 505. 

 lifiiiii-lii/iiiilCHS muscle, iii. lll.i. 505. 



action and relations, iii. 5</i. 

 (Irniln-rrural nerve, ii. K)* ; iv. 701, 702. 



crural branch, iv. 702. 



QenitO-wrinary organs, motor influence of the sympathetic 

 nerve in reference to the, s. 40'i. 



I,, n i lo -urinary tract of the mucous membia if man iii. 



4!i5. 4!)7. 



(IciHtciihaga, or ground-beetles, ii. s".!i. 

 characters ol the sub-tribe, ii. 85!). 

 (icodia, a family of I'orifera, iv. O.'i. 

 characters of the family, iv. 05. 

 Qeotnetrt8,Olgaxu and singular mode of progression of the 



iii. 442. 



fV///j hursariiis, or Canada rat, iv. 3HO. 

 Gciifniim nation, changes in the anatomical conformation 



of, iv. I32K, 13-2!!. 

 (!ciiti'iii>i'i stercorarius, or dung-beetle, ii. 800. 



voiis system of, iii. Old. 



(ii'i A///C.V, anatomy of, iv. 371 , ct .vr</. 



<iYr/-mass, blastoderm, or germinal membrane, s. 4. 



(ii'imninl vesicle, or germ-cell, of ovum, b. 3. 7o. [7 .1 N33 1 



il. 452. 

 See GENEHATION ; OVUM. 



