ECHINOIDEA. 
Ech. 75 
P. tumulus , Jurassic, Cutch, op. cit. p. 11, n. sp. 
f Pygurus : — P. geometricus , Morton sp. ; Clark (36) p. 92. P. haus- 
monni , Koch & Dunk. sp. ; Fox-Strangways (87) II, p. 197. P. 
jurensis, Marcou ; Smith (250) p.346. P. pentagonalis, Phill. sp., 
p. 197, P. phillipsi , Wright, p. 198; Fox-Strangways (87) ii. 
t Pyrina : — P.jlava , Arnaud, with buccal plates ; Cotteau (39) p. 539. 
P. parry i, Hall; Aguilera (4) p. 26: redescribed; Clark (36) 
p. 59. P. sp., Cretaceous, Balkans ; Yankov (266) p. 97. 
t Radiocypkus villanovce, Cott., referred to Arachniopleurus ; Cotteau (44) 
p. 603. 
Rhabdocidaris , Desor, defined and discussed ; Cotteau (44) p. 451. R. 
annulifera , Lam., described, distinguished from R. baculosa, and 
extended over Schleinitzia crenularis and Cidarislutheni ; Lortol (154) 
p. 360. +72. caprimontana , Desor sp.; Siemiradzki (244) p. 143. +72., 
cf. cometus , Boll, Upper Senonian, Riigen, spines only ; Schlueter, 
(236) p. 23. +72., cf. cylindrica, Quenst., Tuapse, Caucasus ; 
Neumayr & Uhlig (198) p. 3. R. imperialism Lm.; Loriol (154) 
p. 361. + R. itala , Laube sp., + R. loveni, Cott.; Cotteau (44) p.462. 
f 72. maxima , Mtiust. sp.; Fox-Strangways (87) ii, p. 146. f72. 
mezzoana , Laube sp.; Cotteau (44) p. 461. f72. moraldinam Cott.; 
Woodward (276) p. 370. f R. navillei, Cott. sp.; Cotteau (44) 
p. 464. f72. nobilis , Goldf.; Siemiradzki (244) p. 143. f72., cf. 
nobilis , Miinst., Schachdagh, Caucasus ; Neumayr & UhliG (198) 
p. 4. f 72. pouccTii, Cott., redescribcd with variations ; Cotteau (44) 
p. 456. f 72. pscudojurassica , Laube ; Cotteau (44) p. 460. f72. 
ranikoti , Dune. & Slad. ; Cotteau (44) p.463. f R. remus, Desor ; 
Siemiradzki (244) p. 143. f72. sindensis , Dune. & Slad. sp.; 
Cotteau (44) p. 464. f72. sp.; Gregory (102) p. 3, Fox-Strang- 
avAys (87) ii, p. 32, Retoavski (221) p. 288. f72. subcoronata , 
Miinst. sp.; Ogilvie (205) p. 51. f 72. suevica, Desor; Siemiradzki 
( 244) p. 143. f72. vidali, Cott.; Cotteau, Pal. franc., Ech. Tert. ii, 
p. 465. f72. zittelim Lor.; t. c. p. 463. 
tfl- blancheti , Upper Eocene near Biarritz, Cotteau, Pal. franc., Ech. 
Tert. ii, p. 453 ; f 72. schloenbachi (n. sp. ?), Neocomian, Sommer- 
holze near Kniestedt, N. Germany, founded on spine-fragments, 
p. 20, f72. triangularis , Neocomian, Achim, Brunswick, founded on 
spines, p. 19, Schlueter, Abb. Preuss. geol. Landesanst. Heft 5 : 
n. spp. 
f Rhabdoplcurus, n. g., based on Glypliocy pTxus ataxensis, which is 
redescribed ; Cotteau (44) pp. 594 & 595. 
fRhynchopygus mar mini , Danian of Angouleme ; Arnaud (9) pp. 35, 36, 
& 41. 
Rotula augusti, Klein, crowd of young ; Studer (256) pp. 21 & 27. 72. 
rumphii, Klein ; Studer (256) p. 21. 
f Salenia, Gray ; Agassiz (3) pp. 77 & 80 : defined and discussed ; 
Cotteau (44) p. 479. & antliophora\ J. Miill., redescribed, figured, 
and discussed ; Schlueter (236) p. 192. S. arcolata , Wahlb. sp., 
