of Echinanthidae, [549];
of Echinocardium cordatum, [551]
Petalocrinus, [595]
Petasidae, [294]
Petasus, [294]
Peters, [414] n.
Petrostroma, [193];
P. schulzei, [193]
Pfeiffer, on Sporozoa, [94]
Phacella, [314]
of Echinanthidae, [549];
of Echinocardium cordatum, [551]
Petalocrinus, [595]
Petasidae, [294]
Petasus, [294]
Peters, [414] n.
Petrostroma, [193];
P. schulzei, [193]
Pfeiffer, on Sporozoa, [94]
Phacella, [314]