A.611651 7/117/31 Entered, according to the Act of the Provinclal Parliament in the year one thousand eight hundred and fifty-seven, by BENJAMIN Dawson, in the Office of the Registrar of the Province of Canada. INDEX TO VOL. I. PAGE AMBONYCHIA. A genus of fossil bivalves. Greek, ambon, the boss of a shield, onyx, a claw............. AMBONYCHIA RADIATA.. 43 .44-45 ATRYPA. A genus of fossil Brachiopods. Name derived from the Greek a, without, and trupa, a hole or perforation. It was supposed that the shells of this genus had no foramen under the beak hence the name. ARGILLACEOUS.-Containing clay, from the Latin Argilla, clay. AVICULA. A genus of bivalves. Avicula, Latin, a little bird...... AVICULA EMACERATA.-A species of the Niagara Group... 60 60 ALOES.-Latin. the Elk. The genus to which the moose deer belongs. 60 |