NEOZOIC INVERTEBRATES 121 



land relatively to the sea must have been about 200 feet 

 lower than it is at present. 



Having only a few hours at my disposal, I confined my 

 attention to collecting a series of the species represented. 

 A list of these is appended. 



LIST OF SPECIES 



CORALLIA 



Astrangia sp. nov. 



ANNULATA 



Spirorbis sp. Also recent. 

 Serpula sp. Also recent. 



CRUSTACEA 



Balanus sp. Also recent. 



MOLLUSCA 



Leda fossa Baird. Also recent. 



Pecten hericeus Gould var. navarchus Dall. Also recent. 



Astarte borealis Schumacher. Also recent. 



Venericardia stearnsii Dall. Also recent. 



Cardium ciliatum Fabricius. Also recent. 



Cardium decoratum Grewingk. Also found in the boulder clays 

 of Vancouver Island. 



Serripes gronlandicus Gmelin. Also recent. 



Macoma balthica Linn6 var. inconspicua Broderip and Sowerby. 

 Also recent. 



Macoma calcarea Gmelin. Also recent. 



Mya truncata Linne 1 . Also recent. 



Panomya ampla Dall. Also recent. 



Saxtcava arctica Linn6. Also recent. 



Chrysodomus liratus Martyn. Also recent. 



Lunatia pallida Broderip and Sowerby. Also recent. 



BRACHIOPODA 



Hemithyris psittacea Gmelin. Also recent. 



This list is short, containing only nineteen species, of 

 which two are not known in the recent state. But we 

 can infer from it, that, while the fauna as a whole is still 



