THE 



AMERICAN NATURALIST 



Vol. XL December, 1906 No. 480 



THE CAUSES OF FATIXCTION OF >L\MMALTA 



{Concluded) 



HENRY FAIRFIELD OSBORX 



Living Environment. iNFhx riOLS Diseases and Insects 



In his Gnat Rift T alh }j (p 2(m) (nt (^on <)!)>( ncs tliat the i^reat 

 herds of ^ame which roamed over the steppes ot hoiitli Atnca are 

 hein^ rapidly decreased in size and mimhei'. Man no doubt 

 lias played the leading [)art m the amiilnhitioii ot the enormous 

 herds that once thronf?ed ( ape ( oh)ii\ . I hv tact that duriiifr the 

 last few }ears the game has iuk utd tioin the soniali toast into 

 the interior shows how easilv n can !•«■ (hi\(Mi trom a (hstnct. 

 In South Africa, however, man nithicnce ha^ prohaMv been 

 insignificant as compared with natnial aizcncics. hoiis and disease 

 hemg the leading fattois m . xn nnin nion \ iM hu U ot the 

 uihl Ixinalo ilidudns uilni ^MM ^xniiniiii^d h(ru«in ls<)0 

 and l,x Hu ( mU diM ,m iind<ip,M uhuh aKo kilKd oil 



the o.in and i^uath u.f, < I p _>i.(. (.onion ( iminunir ' oh- 

 s(n(d a. <aiK a. IsV, that flu _..at in m iiu diMiutsis 



.iil,]t.t to a (liMaM (aihd l)\ tlu Ho(i. hnint h< kta <.i burnt 

 sickness, owino- to the animals afflicted with it exhil.iting the 

 appearance of liavinn- been burnt. It is ineniabic: and if the 

 ammaK infh(t<d aic not .p.^hb kilhd o, put ..ut ot tli< u n 



to loM l.r. Mitiu f!<Mku.thit 1 In. ^id di-^tunpu Hm, , M, tub 

 its.lt to th. jna nal,nn I l,a\< ^liof luitdutM^ l>la< k uil<U- 



