Poole, Col., on striped hemionus, [163].
Potamogeton, [387].
Prestwich, Mr., on English and French eocene formations, [328].
Primrose, [49].
——, sterility of, [247].
Primula, varieties of, [49].
Proteolepas, [148].
Proteus, [139].
Psychology, future progress of, [489].
Q.