Full text: papers communicated to the first International Eugenics Congress held at the University of London, July 24th to 30th, 1912

TABLE I. 
The Frequency of tiie Different Classes of Mentai. Condition in the Children of two Mentally Defective Parents ; together with 
the Mental Condition of the Grandparents, the Farents’ Sibs (Brothers and Sisters) and Other Blood Relatives about Whom 
Something is Known. 
Ifm nother n, mother; md, manic depressive insanity; mf, mothers father; mm, mother’s mother; N, normal; Ne, neurotic; np, neuropathic; obs, obesity: P, 
>n, pneumonia ; S, syphilitic ; sb, softening of the brain ; sc, scoliosis ; sd, senile dementia ; sh, shiftless ; sm, simple meningitis ; st, stillborn ; su, suicide ; ax, u 
f, typhoid fever; tu, tumour; va, varicose veins; ve, vertigo ; W, vagrant; ?, implies doubt; un, unclassified ; d, died.deaf; dau, daughter ; 
father’s father; fm, father’s 
ataxia; M, migrainous; 
, paralytic ; pa, paranoiac ; 
unchaste ; T, tuberculosis ; 
Serial Num­ ber.t d* 
Hbe'rel4 unChildren. N E F I MNe AP Sxffffm•a i s sibs. 
" rl* 
o, a 
Hbe'rel4 un N Ne np•3 111's other relatives. 
t d* 
-ibe'rel4 un N Ne npmmfHim•3 m’s sibs. 
| d* 
Hbe'rel4 un N Ne np•a m's other relatives 
* d* 
Hbe’rel4 un N Ne np 
136674..... 31 .........Edydy6.. 62321 I1E31 27611 ... 
24539164.. 31 ... 26 ............Eecc522 ...11515 ...E862 ...23617 
3IXa84i.. 21 .........EE22^2EshE1293023715... F2 
431624la.. 128.........A F CA C...5...2 ......3411• ••8 ...3»EAC FF Sx523« 
65861.. 1F...E Sxd-T10541 ...10622 
6284273.. 31 .........F32 ...J1033 ...EA2222 
7285731.. 11 .........FF CN?51 ...311 ,12422 ...E SxAN ?511... 2is11262414 ... 
8305461..... 23 .........FFF61 ...5<5750 ...11« 67Ed-TNe411 25849331 312? 
8( 4369 )61..... 14 .........F PA43 ...,1224119 ...317EI411... 219118 
( 2016 1 
JXII812.. 14 .........EAM512 ...2...17...15 ...2...F A SXAA M1051... 221616 
15412(i11.. 4A FA75 2■vi529 ...EAF13103 
1259781.. 7EAdy823 ...211290480 2EFE624115118413 16 
13597a72.. 32 .........F A...2...2 ............... ...Ed-dy12381 ......... 
141983a421... 1 ...EA Ne11 ...F Sx 
151334c?11 .........EEFA 
162234a3.. 21 .........d-P312 ...F 
17XXX a422.........FFAF 
IS128685.. 12.........F AF 
192105112CEdv...FA21 111 
VO30377l25.. 15 .........F ANN(i2.. 211F SxF Sx11 
2141723.. 1Fd-T21 ...1143 ...17FA421 190865588 40 
2233871341.. 25 .........1 ...Fd-P3...2 ......116115 ...FAdy8512 ......397302 ... 
23IX1232.. 25 .........FATHIF861 ......11220312 ...5E...E129.............3581242... 4 
241334b642.........F.................... ,,,F...ca42... 2 
251745a1 13.. 1 6«.........1 ...F.. * ...• ••FA.411 11720136l F 
1745b66.......FFFin3 ...|1fi22F 
275386a11.........FF4.. 12117F Sxd-P43120...o 
la. 
13146a922 ... 1 ......... 1 3...............I............. ...E 
218726... 3 ... 2 ... 1 ....................F«d-PP117... 3... I1299F Sx.............. 
346992... 4 1 2W................................A I531j2023... 18..........Ei.....................F2... .......... 
41006a31...................................... 2.........I3...2 ...l20...E51 ... 21212 
54078a2..................... 1 ... 1 ...............EEch3... 2l28573 371l24 622I 
NOTES.—1 A, 2 an encephalic. 81 is also C, Sx, and A, ‘1-E 2-F, 6 2 A, I Sx, 0 I E 2 F, 7 F, 8 1 A 2 P. 9 1 K IF 2 I 10 Sx. 11 1 A 2 P, 12 E, 18 1 Sx, A W, and 1 probably defective. 
“ all A and 1 C, 15 chorea, ^ traumatic, 17 a sib of f’s m in 4062a, 18 3-T, 19 1-C 1-1 20 I, 21 1 of these is the f in 1745b, 22 5 F I E. 88 M, 21 6 A, 
2S This child may be by a different father, 20 probably hysteroid epilepsy. * Includes all stillbirths and miscarriages,00 Weeks. Biology and Eugenics.
        

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