



Pkalo. J. J. Ward. F.E3. 



THE INSET .(UP OF CHALK-FORMING ANIMALS, OR FORAMIM! l.kA, KACH ABOt 1 I HI SIZE < 'I A \ KR' 



SMA1.I ri\'- HEAD 



They (ana * great part of the chalk cliff* of Dover and similar deposits which have been raised from the floor of an ancient sea. 



, H.I : \ COMMON FORAMINIFER POLYSTOMELLA) HlnUiM, 1HI 

 : ii OtrTVLOWIMG NBTWOKK OF LIVING MAIIKK, AI-ONt. \\iin 11 .K \\i i.i:> ARK 



CONTINUALLY 7kA\ ' ND IIV WHICH HXM) PARTICLES ARE l.MAM.I.I I) AND DRAWN IN 



Kt*roJutt4 y trrmntio* of tlu Natural History Museum (after Mas Schullte). 



