INDEX 



Abalone, 86, 103, 141, 181 

 Abyssal realm, 80 



life in, 81 

 Abyssal rocks, 63 

 Abysso-benthonic zone, 80 

 Abysso-pelagic zone, 80 

 Acadian series, 224 

 Acmaea, 86 

 Acorn, Sea, 129 



Adams, Dr Charles C, acknowledgment to, 14 

 Adams, F. D., cited, 211, 443 

 Adirondacks, 266 

 Age of rock strata, 60 

 Albion sandstone, 319 

 Algae, 18, 19, 88, 91, 94, 175, 232 



brown, 120 



green, 123 



red, 123 



red coralline, 120 

 Allee, W. C, cited, 182, 443 

 Allen, W. E., cited, 182, 443, 450 

 Ailing, H. L. cited, 211, 353, 443 

 Alluvial cone deposits, 28, 46 

 Alsen limestone, 377, 378 

 American fauna, 86 



American Museum of Natural History, acknowledgment to, 14 

 Amphibians, 423, 441 

 Amphibolites, 204, 208 

 Amsterdam limestone, 283 

 Amygdaloidal structure, 71 

 Anemones, 95, 108, 110, 112, 117, 124, 133, 146, 164, 172, 175, 176 



brown, 125, 136, 137, 172 



cake, 137 



crimson or rose, 125, 137 



orange-streaked, 124 



parasitic, 177 

 sand, 146, 164 

 white-armed, 172 



[457] 



