TERTIAKY PERIOD BY MEANS OF THE MAMMALIA. 4U5 



to the majority of students, however, he thought the Invertcbrata 

 would always be the more valuable. 



Prof. EoYD Dawkins said he had not asserted that the Inverte- 

 brata were of no use ; but he would ask. Could the more modern 

 Tertiaries be classed by their Invertebrata ? In the older beds no 

 doubt the Invertebrata were of use in classification. He had used 

 the old terms because he did not see any reason for inventing new 

 ones. He had never asserted that the mode of classification T7as 

 new ; but he would be glad to learn where the method which he 

 had adopted in applying it was to be found. He believed that 

 the system he had proposed would be found to be more than a 

 *' parochial " system, and to apply to America and Asia equally with 

 Europe. 



