Potter, Mr., researches of, [579].

Pounceford, Sussex, [105].

Prestwich, Mr., researches of, [523], [528], [542]

Preston, Sussex, [227], [305].

Primrose Hill, [767].

Pristis, [597].

Productus, [392].

Protozoa, [219].

Psammodus, [587].

Psarolites, [123].