ECH1N0IDEA. IV, C. 
Edi. 37 
f Oriolampas rousseli , Middle Eocene, Conques, Montagne Noire (Audo); 
Cotteau (*23) Pal. franc. Eoc. ii, p. 715, u. sp. 
f Orthechinus, Gauthier, preferred to Gagaria , Duncan, arid 0. pegoli, var. 
from near Carcassonne (p. 758), 0. tunetanus , redescribed and 
figured ; Cotteau (23) Pal. franc. Eoc. ii, p. 759. 
f Ortliopsis : — 0. miliar i s ; Gauthier (37) p. 21. 0. perlata , nom. nud.; 
Noetling (88) p. i2G. 
0. zumoffeni, Cretaceous of Lebanon ; Cotteau (22) C.R. Ass. Franc. 
1893, p. 352, n. sp. 
f Ovulaster, discussed, and 0. zignoanus, redescribed ; Gauthier (37) 
p. 40. 
O. auberti, Senonian, Djebel Ahniar, Tunis ; Gauthier (37) p. 42, n. sp. 
f Palcechinus clegans, and f P. ellipticus ?; Tornquist (124) pp. 100 & 103. 
Parabrissus , discussed ; Bittner (9). 
f Parapggus cassiduloides ; Gauthier (37) p. 49. 
f Pedinopsis torrendi, Cenomanian of Lebanon; Cotteau (22) C.R. Ass. 
Franc. 1893, p. 351, n. sp. 
f Peltastes : — P. clathratua ; Lambert (57) p. 44. 
P. favrci , Cretaceous, Kislovosk (Caucasus); Loriol (65) Rev. Suisse 
Zool. iv, p. 471, n. sp. 
■\ Per 'mater : — P. charmesi (p. 18), P.fischcri (p. 13); Gauthier (37). P. 
( vel Linthia) Jcochi ; Koch (53) p. 147. 
P. thalensis , Turonian (p), N. of Thala, Tunis ; Gauthier (37) p. 16, 
ri. sp. 
t r erico8mu8 : — P. nicctisei , redescribed and figured ; Cotteau (23) p. 709. 
P. elongatus , Eocene, Nousse (Landes) ; Cotteau (23) Pal. franc. Eoc. 
ii, p; 711, n. sp. 
f Perischodomus tuagmis , Devonian, Cornwall and Elsass, based on 
Phillips’ fig. of Adelocrinus hystrix, Pal. foss. Cornwall, pi. xvi, 
fig. 42; Tornquist (124) Mt. geol. Landesanst. Elsass, iv, p. 103, n. sp. 
Phormosoma bUrsariuni and P. luculentum : Anderson (3) p. 192. 
Phyllacanthus annulifera ; Anderson (3) p. 188. 
f Phymosoma sp.; Hennig (42) p. 502. 
f Plesiaster, discussed ; Bittner (9). P. colteaui (p. 28), P.peini (p. 20); 
Gauthier (37). 
f Pliolampas gourdoni ; Cotteau (23) p. 748. 
f Polydiadema tenue ; Lambert (57) p. 51. 
f Porocidaris pseudoserraia ; Cotteau (23) p. 757 ; Kocii (54) pp. 287 & 
298. 
f Poropeltaris scnlptopunctaia, redescribed ; Loriod (65) p. 472. 
Pourtalesia jeffrey sii ; Pfeffer (93) pp. 101 & 117. 
f Prenaster, discussed; Bittner (9). P. alpinus ; Kocri (54) p. 280. 
■f Froiechinus paucituberculatus, nom. nud; Noetling (88) p. 126. 
f PsammecJiiiius duciei ; Koch (53) p. 148. tP. gravesi ; Koch (54) 
p. 228. P. micro tuberculat us ; Koehler (56) p. 418; at Cette; 
Koehler (55) pp. 4 & 7. IP. monilis ; Koch (53) p. 147. fP. cf. 
monilis ; Martonfi (76) p. 153. 
