Proboscis, of central capsule of Phaeodaria, [76]
Progamic brood-division (= a brood-division to produce gametes), [96], [100]
Proheliolites, [346]
Promachocrinus, [594]
Proper wall of Perforate Foraminiferal shell, [59], [63], [66]
Prophylaxis, against mosquitos and malarial fever, [103], [106];
against pébrine in silkworms, [107]
Prosodus, [210]
Prosopyle, [170]
Prostalia, [201]