STOW— SOUTH-AFETCAN GEOLOGY. 



54'i 



The Pectunculus and 

 Perna of the Zwartkops 

 Pliocene limestone, the 

 CarcUum, the large Natica, 

 Loripes, Panopcea, and 

 Akera of the more re- 

 cent formations, are found 

 spread over the same ex- 

 tensive areas as those pre- 

 viously mentioned. Of the 

 recent flora the 'Ency- 

 clopaedia Britanniea' gives 

 the following: — "On the 

 coast of Guinea and Congo 

 the flora is intermediate 

 between that of America 

 and Asia. Species of Sor- 

 ghum, Sterculia acummata , 

 the Kela-nut, and the 

 Poison-bean of Calabar be- 

 long to this region." " In 

 Chili there are many genera 

 of Composites which are 

 also represented in Aus- 

 tralia and the Cape of Good 

 Hope." 



The most recent evi- 

 dences of an ancient 

 southern continent con- 

 sist most probably in the 

 wide-spread coral-reefs and 

 islands in the Indian and 

 Pacific Oceans, extending 

 from the southern portions 

 of the Ped Sea and the 

 northern part of the Mo- 

 zambique Channel on the 

 west, to the Island of Ducio 

 in the extreme east, thus 

 including the Seychelles, 

 Madagascar, Mauritius, 

 parts of the coast of Aus- 

 tralia, New Caledonia, the 

 Pacific Islands, to the be- 

 fore-mentioned Island of 

 Ducie ; and on the north of 

 the Equator the Caroline 

 Islands, the Marianne and 

 Philippine Islands, the 

 Chinese Seas, alona: the 



