Marshalt>. — Fmina of the Ham'pden Beds. 



247 



Hampden, 

 (38 species 



W^harekuri, 

 75 species 



Otiake, 



61 species 



Target Gully, 

 212 si^eeies 



Awamoa, 



87 species 



Trelissick (1), . 

 87 species 



Trelissick (2), 

 66 species 



Pakaurangi, 

 113 species 



Bortonian, 

 43 species 



Number of species found also 



in Hampden fauna. 

 Percentage of species found 



also in Hampden fauna. 

 Number of species found also 



in Wharekuri fauna. 

 Percentage of species found 



also in Wharekuri fauna. 

 Number of species found also 



in Otiake fauna. 

 Percentage of species found 



also in Otiake fauna. 

 Number of species found also 



in Target Gully fauna. 

 Percentage of species found 



also in Target Gully faima. 

 Number of si^ecies found also 



in Awamoa fauna. 

 Percentage of species found 



also in Awamoa fauna. 

 Number of species found also 



in Trelissick (1) fauna. 

 Percentage of species found 



also in Trelissick (1) fauna. 

 Number of species fomid also 



in Trelissick (2) fauna. 

 Percentage of species fomid 



also in Trelissick (2) fauna. 

 Number of species found also 



in Pakaurangi fauna. 

 Percentage of species found 



also in Pakaurangi fauna. 

 Number of species found also 



in Bortonian fauna. 

 Percentage of species found 



also in Bortonian fauna. 



Hampden . . 

 Wharekuri . . 

 Otiake 

 Target Gully 

 Awamoa 

 Trelissick (1) 

 Trelissick (2) 

 Pakaurangi . . 

 Bortonian . . 



The relations of the different faunas as shown by this table must give 

 a very definite idea of the relative ages of the strata. The conclusion to 

 which it leads is in perfect accord with that at which I had previously 

 arrived by employing the criteria of stratigraphy and of the percentage of 

 Recent species. 



The percentage of the species of the Hampden fauna which occurs in 

 each of the other strata is relatively low, and clearly points to the con- 

 siderable antiquity of the Hampden fauna. So far as the other localities 



