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Show ASSES. CIIAP. 11. 64: . . to feel convinced that even a in the various equme species . h d distinct mearung, and character so unimportant as this . a al ow find that in the was thus led to a tte n d to the sub·j ec.t . h'nc h corresponds w.i th .. d ga the stnpe w I . .Asinus Burchelln an quag, ' ll me of the stnpes on . f tl as we as so the shoulder-stnpe o 18 ass, · f those near the shoulder the neck, bifurcate, and tha~ sombe to b kwards. The forking · · larly en ac < have their extremities angu . tile shoulders apparently d. f the stnpes on and angular ben. mg '0tl the ch anaecJt di'r·ection of the nearly stand in relatiOn Wl t . · h bb d and neck to the trans- . · the sides oft e 0 Y f upnght stnpes on . ll see that the presence o th leas Fma y we . l verse bars on e b • . . the horse -their occaswna d · nal stnpes m ' shoulder, leg, an spi fdouble and triple shoulder- . h the occurrence o . absence m t e ass·, - ._ 1 n d t h e si.m i'l n""r · m""" nner in wh10h these stripes in both amma s, ~ 1 tr·emities -are all cases of stripes termm· a t e a t their ower ex l ' These cases are . · · ·n the horse anc ass. . . analogous vanatwn I. .1 d'tl'ons actina on similar const1- bl t d to simi ar con I o proba y no ne . . . ·n colour to tho common . b t t partml reverswn 1 • tutwns, u 0 a . ,.,ell as of the other speCies 't f theoe two species, as '· progem or o u.r'd h ll hereafter have to return to this subject, of the genus. n e s a and discuss it more fully. CHAP. lli. DOMESTIC PIGS: THEIR PARENTAGE. 65 CHAPTER III. PIGS- CAT'l'LE- SHEEP -GOATS. PIGS BELONG TO 'l'WO DIS'r!NC'l' TYPES, SUS SOROFA AND INDICA- TORF-SOHWEINJAPAN PIG- FER'l'lLI'l'Y OF CHOSSED PIGS- CIIANGES IN TilE SKULL OF THE IUGBLY CUL'l'IVA'l'ED RACES- CONVERGENCE O.b' OIIAHAC'l'EH- GES'l'A'l'ION- SOLID-IIOOJo'ED SWINE - CUHIOUS AI'rENDAGES TO Tiill JAWS - DECREASE IN SIZE OF 'l'HE 'l'USKS - YOUNG PIGS LONGI'l'UDLNALLY S'l'RIPED - FERAL PIGS - CftOSSED BREEDS. CATTLE. - ZEBU A DISTINCT SPECIES - EUROrEAN CA'l"''LE PROBABLY DESCENDED FHOU THREE WILD FORAfS- ALL Tiill RACES NOW FEH'l'ILE 'l'OGE'l'HER- BRI'l'ISH PARK CATTLE- ON 'l'JIEJ COLOUR OF THE ABOHIGINAL SPECIES- CONS'l'ITU1'10NAL DIFFERENCES- SOUTH AFRICAN RACES- SOUTH AMEHICAN RACES- NIA'l'A CA'l'TLE - ORIGIN OF 'l'IIE VARIOUS RACES OF OA'l"l'LE . SHEEP.-REUAUKABLE RACES OF- VARIATIONS A'r'l'ACHED '1'0 'l'BE li!ALE SEXADAPTATIONS '1'0 VARIOUS CONDI'l'IONS- GESTA'l'ION OF'- OllANGES IN TJIEJ WOOL -SEID-MONS'l'llOUS BREEDS. GOATS.- llEMAHKABLE VARIATIONS OF. THE breeds of the pig have recently been more closely studied, though much still remains to be done, than those of almost any other domesticated animal. This has been effected by Hermann von N athusius in two admirable works, especially in the later one on the Skulls of the several races, and by Hutimeyer in his celebrated Fauna of the ancient Swiss lake-dwellings.1 N athusius has shown that all the known breeds may be divided in two great groups : one resembling in all important respects and no doubt descended from the common wild boar; so that this may be called the Sus serofa group. The other group differs in several important and constant osteological charcters; its. wild parent-form is unknown ; the name given to it by Nathusius, according to the law of priority, is Sus Ind~'ea of Pallas. This name must now be fo1lowed, though an unfortunate one, as the wild aboriginal does not inhabit India, and the best-known domesticated breeds have been imported from Siam and China. 1 Hennann von Nathusius, 'Die Racen des Schweincs,' Berlin, 1860; and 'Vorstudicn fur Goschichtc,' &c., VOL. I. 'Schweinesohii.del,' Berlin, 1864. Riitimeycr, 'Die Fauna der Pfahlbn.uten,' Basel, 1861. F ' |