...the theory that has been so often maintained, that all, or even a portion, of the auriferous slates are older than the Carboniferous ; not a trace of a Devonian or Silurian fossil even having been discovered in California, or indeed anywhere to the west of the 1 1 6th meridian....

...the theory that has been so often maintained, that all, or even a portion, of the auriferous slates are older than the Carboniferous ; not a trace of a Devonian or Silurian fossil even having been discovered in California, or indeed anywhere to the west of the 110th meridian. On...

...the theory that has been so often maintained, that all, or even a portion, of the Auriferous Slates are older than the Carboniferous ; not a trace of...fossil ever having been discovered in California. Indeed, gold, instead of being chiefly limited to Silurian rocks, occurs in no inconsiderable quantity...

...that "we have not a particle of evidence to sustain the theory which has so often been brought forward that all, or even a portion, of the auriferous rocks...are older than the Carboniferous, — not a trace of any Silurian or Devonian fossil ever having been discovered in California, or indeed anywhere to the...

...strata, we have not a particle of evidence to sustain the theory which has been so ofien brought forward, that all, or even a portion of the auriferous rocks...ever having been discovered in California, or indeed any where to the west of the n6th meridian. It appears, on the other hand, that no inconsiderable amount...

..." We have not a particle of evidence to sustain the theory which has so often been brought forward that all, or even a portion, of the auriferous rocks...are older than the Carboniferous, — not a trace of any Silurian or Devonian fossil ever having been discovered in California or indeed anywhere to the...