Cretaceous Period

[From Lat. creta, chalk.] (Geol.) "The name given to the closing area of the Reptilian age. It is remarkable for the number of genera of mollusks and reptiles which end with it, and also for the appearance, during its progre , of the modern types of plants and fishes." Dana. The chalk of Europe is one of the rocks of the period, so abundant as to have given its name to the formation. The chalk beds cover a large extent of surface in Europe and the east of Asia. The typical strata occur in the south-east has been gradually reduced by various causes until it is now about 300,000. Crete, in Illinois , a post-township of Will co. Crete, in Pennsylvania , a post-office of Indiana co.