COiNTENTS. 



PAGK 



Tiru noDiK.s or 8pace — riir.in auraxgemexts and Foinrvriox 1 1 



f'OXSTITUEXT MATERIALS OF THE EARTH, AXD OF THE OTHER 



BODIE!« OF SPACE ........ 29 



T1!E EARTH FOltMEO — ER.V nF IIIE l'l;i\IAK\' ItDCK.s . . -41 



( OMMEXC EMEXT OF OR(iAXI(; MIE — SKA l'I..VNrs, ( ORAl,?. ETC. . 4S 

 ER.V OF IllK 0[,l) I:EI) .>< \XDST0XE — FISHES AIUNDANr . ^6 



,sK<'O.M>ARV ROCKS — EIJA OF THE CARnOXIFKROlS FuRMATIOX — 



1>AM> FORMKP — (OMMEXCE.NfEXT OF I, AXD I'L.V.MS . . 64 



i;iiA OF IIIE -NEW i:EI) .<AXI)ST0XE TERRESl'RIA E /.OOEOOY CoM- 



MEX( ES AVnil KEFTIEES FlRf!T TRACES oF lllltlis . JJ 



ERA OF THE OOEITE — ( ( ).MMEXCEMEXT OF MAMMALIA . . 85 



ERA OF THE ( UETA( FOES FORMATIOX . -93 



ER V OF THE TERTIARV FoR:i[ATIOX — MAMMAJ.IA AlUMJA.Ni . lOO 



ElfA OF THE SUPERFICIAL FORMATIOXS — C0.NLMEN( F.MEXT OF PRE- 



SEXT SPECIES 106 



tiEXERAI, COXSIDEPATIOXS RESPECTIX(t THE OIUOIX OF THE ANI- 

 MATED TRIRES . . . . . . . .114 



PARTICULAR COXSIDERATIOXS RE.SPECTIX(i THE ORIGIX OF THE 



AXIMATEI) TIHP.ES . . . . . . .128 



HYPOTHESIS OF Tin; DKVEEOP.ME.VT OF IIIE VEOETABLE AXU 



AXIMAL KlX(;i)OMS , 145 



