ECHINOIDEA. (iV, C.) 
Echin. 69 
Hamann (112) p. 1405 : suggested sections, (a) typical for P.miranda , 
tanneri , laguncula, & Jeffrey si, (b) P. phiale , (c) P. ceratopyga & 
rosea , (d ) P. hispida (p. 141); Agassiz (3). P. carinata\ Bell (22a): 
actinal area (p. 127, 128), ditto of P. ceratopyga (p. 128) & of 
P. hispida (p. 128, 129) ; Agassiz (3). P. jeffreysi, distrib. ; Grieg 
( 106) p. 14 : measurements, slight variations ; Michailovskij (192) 
p. 163, 184, fig. : actinal area, anal, and apical systems ; Agassiz (3) 
p. 126, 128, 129, 134, 135, 137, 138. P. laguncula , radioles ; de 
Meijere (57) p. 171, pi. xxi : actinal area; Agassiz (3) p. 129, 135. 
P. miranda , older individuals descr. (p. 139, figg.), P. phiale , actinal 
area (p. 129), P. tanneri , descr. (p. 132, pis. b, lv-lvii, also p. 125-129) ; 
Agassiz (3). 
Pourtalesiae A. Ag., morphology of test (p. 121-132), suggested exclusion 
of Urechinidae & Paleopneustidae , and limitation to Pourtalesia , 
Echinocrepis , Spatagocystis, Flexechinus , & Sternopatagus (p. 131); 
Agassiz (3). 
. Pourtalesidae , fully discussed ; de Meijere (57) p. 157-171. 
\Prenaster alpinus ; Fugger (92) p. 339 : Gourdon (102) p. 220. 
Prionechinus , discussed ; Delage (54) p. 240, fig. : diagnosis ; Meissner 
in Hamann (112) p. 1367. P. forbesianus, descr. (p. 71, pis. iv, xvi), 
P. sagittiger , descr. (p. 70, pi. xvi); de Meijere (57). 
t Procidaris ; Delage (54) p. 228. 
Progonolampas ; Delage (54) p. 265. 
Prometalia vide Metalia. 
t Proterocidaris & P. giganteus ; Klem (142) p. 74. 
\ Protocidaris ; Klem (142) p. 75 : perh. young Echinocystis ; Delage (54) 
p. 217. P. acuaria ; Klem (142) p. 75. 
f Protoechinus & P. anceps ; Klem (142) p. 75. 
Psammechinus descr. ; Delage (54) p. 243 : diagnosis ; Meissner in 
Hamann (112) p. 1371. \P. dubius ; Douxami (69) p. 561: descr., 
distrib.; Schuetze (251) p. 166, pi. iii. tP. gillieroni ; ZlatarskI 
(299). P. microtuberculatus ; Parona (207) p. 384: vide etiam sub 
Parechinus. P. miliaris ; Fuehner (89) & (90) : Garbowski (94) : 
^determined by T. Mortensen ; Petersen (215) p. 81 : vide etiam 
sub Parechinus. tP. peroni; Couffon (46) p. 41. P. rufus (Bell sub 
Salmacis) incl. Gymnechinus pumilio ; Mortensen (195) p. • 122, 
pi. v, vii. P. variegatus ; Delage (54) p. 243. P. verruculatus , 
colour; Mortensen (195) p. 123: pedicellariae ; de Meijere (57) 
p. 88, pi. xvii. 
\ Pseudasterostoma discussed; de Meijere (57) p. 242. 
Pseudeckinus descr. ; Delage (54) p. 246, fig. : diagnosis ; Meissner in 
Hamann (112) p. 1375 : rejected ; Loriol (162) p. 20. 
Pseudoboletia\ Delage (54) p. 244: diagnosis; Meissner in Hamann 
( 112) p. 1373. P. indiana syn. of P. maculata\ de Meijere (57) 
p. 208. P. maculata ; Herdman (120) p. 139: pedicellariae; de 
Meijere (57) p. 96, pi. xvii. 
Pseudocentrotus ; Delage (54) p. 244 : diagnosis ; Meissner in Hamann 
( 112) p. 1373. 
t Pscudocidaris clunifera ; ZlatarskI (299). 
t Pseudodiadema ; Delage (54) p. 235 : distinct from Diadema ; Mortensen 
( 195) p. 47. P. aspera ; Walther (281) p. 167. P. bourgueti ; 
Karakasch (138) p. 15. P. brongniarti , distinguished from P. vario- 
lare\ Jukes-Browne (137) p. 455. P. conformed Lissajous (153) 
p. 161. P. dcpressum\ op. cit. p. 159: Strangways (266) p. 15: ?; 
Clerc (42) p. 99. P. inaequale , compared with P. wrighti , a 
deformity; Lissajous (153) p. 159. P. jauberti Cott. is Ifessotiara; 
Lambert (148) p. 543. P.jobae ; Lissajous (153) p. 159. P. maclciei, 
maintained; Jukes-Browne (137) p. 456. P. mamillanum (p. 162), 
