; UERISTIC VARIATION. [PARTI. 



is. Which. -\.-i- view be taken, this case is an interesting one, 

 \hibith ir \ariation in every region of the spine, and as shewing 

 tli.- importan.-.- "f i-x.-iiniiiing the entire spine before deciding as to 



. ;iri;ii i"ii <>f ;ur. "in- partof it." 



T . . ili.- Question, which vertebra is missing, there is no answer; 

 >.r mi h< T tin- an-wc-r is that there is no segment in this body 



tl\ c..i T, -ponding tu the normal 7th, 20th, 2oth, &c.; that the 

 diai.i'-t' i- "I t! ,.ial -.-gments are distributed afresh and 

 ii|>"ii ii-> -trict, con-i-t.-nt plan among the segments of this body, 

 ami that, therefore then- is no one segment missing from the 

 li.-dv. Smvlv further efforts to answer questions like these ran 

 lead t" in- ii-iTul result. 



\ > !.-iii|iu t" interpret Variation by the light of simple arith- 



iii -i if "nl\ i' olciiiv the real nature of Repetition and 



.:iii.-iital differentiation; for by constantly admitting to the 



miii'l tin- fancy that this Dimple, subjective representation of these 



pi- ifl ih- right guide. and that the tangible complexity in 



which th<-\ present ili.-in^-lv.-x is ;i wrong one, we only become 



n-.-.l t. an idea \\hifh i- IP. t trin- t' tin- facts and the real difficulty 



nirk'-d. 



AM Illiol'ull) APES. 



'rii'iiiL'li .-111111111; littlt- iliat i> ii.-w in kind to tlie foregoing speci- 

 men-casee . urrini: in Man. tin' fnlli)wing instances of Variation 

 in (In- \i-i-i. -In-:!' lit' tin- A nt li n i] mid A[II-> an- i if some intrn-M if unlv 

 ttiona "f tin- t'ai-t thai tin- tVci[iit'ncy of su-h N'ariatinn 

 has i,., necessary i-.-latiun t.. tin- i-i.n.liti..nx of civilization or domesti- 

 cation. (<>n tin- snlijcct ( .f N'ariat inn in tin- \.Tii-lira-nt' Antliropoids, 



-p.-.-ially l!u>i.Nia ia.'~ li-t. M.,,-/>/I. ,l>il,,-l,. i. p. KJQ.) 

 Troglodytes niger (ih.- ( Ihimpanzee). 



(In .-..i^id.'rin- cases -t' variation in the Cliinij.an/ee it should 

 I).- biirni' in mind that th.-i.- .-in- >.-\,-r;il races and perhaps species 

 in. 'hid. -d under this name, which have nut been clearly distinguished. 

 I' ; il'l'-. iher.'fi.re, th.it xmie.if the \ariatimis recorded may 



I..- characteristic t' th.--.- races and not actually individual varia- 

 ti"' 



C 7. l 13, I- I. > 5. 



'I'lii- i- th.- t'.iniinla in th.- -n-.-it maj,.i-it v ..f Skeletons (v. aitctf.). 



An adult rVmale having (' 7. I ' 1 j. L |, s 5, (' .'>, \ I/., one 

 ert.-bra and one pair ..f ribs lesil than iisn;i|. This is a specimen 



"f i" CHAILLU'I T. calvua. It was received united by the natural 

 liu'.-iiii.-nt, and DO vertebra therefore is lost. Cut. Cott. Swg., issj, n. 

 \". t. 



Specimen having rudimentary ribs une,|ually de\ doped on the 

 L'.'nli vertebra was transitional ..r lumb,, .sa.-ral in 



character. -Jt'.th .".nth formed the v.-,,-rum and there w,-re 6 



while oth.-r -p.-ciineiis had from '_' to I. For the lumbo- 



.1 pl.-Mi, ,,f this specimen, see No. 71. UOSKNHKKI;, 



