Note 23 — Regular Meeting, March 5th, 1866.

Only a few specimens of the Carboniferous fossils collected by M. Rémond have ever been received, owing to circumstances connected with the present political condition of Mexico. It is hoped, however, that they are not lost, and that they may yet be recovered. Among the few specimens received is a coral, not to be distinguished from the Lithostrotion (L. mamillare) found near Bass’s Ranch, in Shasta County, California. J. D. W.