56 Echin. 
XIV. ECHINODERMA. 
[1904] 
FouRTAU (83) p. ^420, fig. C. scutiformis ; Herdman (120) p. 141: 
radioles, pedicellariae, spicules ; de Meijere (57) p. 131, pi. xviii : 
incl. G. reticulatus Leske, G. of Suez & tbeaches ; Fourtau (83) p. 422. 
€. testudinarius ; Martens (185). 
Clypeastrida defined (p. 248) descr. (p. 249) with Famm. Fihul-^ Clypeastr-, 
& Scutell-inae (p. 254) ; Delage (54). 
Clypeastrinae defined with list of genera ; loc. cit. 
Clypeastroida systematic value of various characters, esp. radicles ; 
DE Meijere (57) p. 103. 
iClypeolampas lesteli ; RoussEL (232) p. 15, & (233) p. 28. 
•fClypeus : — C. alius ; Lissa.tous (153) p. 176 : distinguished from C.ploti ; 
Clerc (42) p. 95. C. deshayesi ; Lissajous (153) p. 176. C. ploti ; 
Clerc (42) p. 95. C. suhulatus ; Strangways (266). 
€oelopleurus descr. ; Delage (54) p. 237. +6'. aequis, t(7. isahellae ; 
GouRDON (102) p. 224. C. maillardi incl. Salmacis lelegans Bell; 
DE Meijere (57) p. 68. 
Colly rites; Delage (54) p. 266, fig. C. acuta (p. 179), C. analis incl. 
C. ovalis pars. (p. 178) ; Lissajous (153). C. hicordata ; op. cit. 
p. 179 : Strangways (266) p. 30, 40, 49. C. capistrata & C. elliptica ; 
Lissajous (153) p. 179. C. frihourgensis ; del Campana (55) p. 267. 
<7. ovalis, incl. C. analis ; Clerc (42) p. 98. C. ringens ; op. cit. p. 97 : 
incl. C. eudesi; Lissajous (153) p. 177. C. thermarum ; Siemiradzki 
(255) p. 142. C. verneuili ; del Campana (55) p. 267. 
Colohocentrotus ; Delage (54) p. 246 : diagnosis ; Meissner in Hamann 
(112) p. 1377. 
iConoclypus (vel -eus) descr. ; Delage (54) p. 249. C. conoideus ; Fugger 
(92) p. 339, 345 : Gourdon (102) p. 222. G. pyrenaicus ; loc. cit. 
•kConoclypinae defined with list of genera ; Delage (54) p. 249. 
Gonolampas diagnosis ; Meissner in Hamann (112) p. 1387 : maintained 
(p. 117), apical system (p. 173, pi. Ixv), G. sigshei, details of test 
(p. 117, fig., pi. Ixv) ; Agassiz (3). 
Gonidus, vide Ecliinoconus. 
iGoraster margaritae ; Gourdon (102) ]). 217. 
Gottaldia forhesiana referred to Prionechinus (q. v.) ; de Meijere (57) 
p. 71. 
\Gydaster gourdoni ; Gourdon (102) p. 221. 
\Gyphosoma [incl. Phymosomd\ ; Delage (54) p. 238. C. archiaci ; 
RoussEL (233) p. 36. G. corollare ; Rowe (235) p. 252, 266, 293. 
G. gregoirei ; Roussel (232) p. 15. G. koenigi ; Hinde (125). C. 
radiatum ; Berg (24) : Rowe (235) p. 241, 293 : et. sub Phymosoma ; 
Petrascheck (216) : Zahalka (296) p. 18, 149. G. regulare, G. 
tenuistriatum ; Collet (44) p. 76, 
Cypliosomina defined with Famm. Arbaci-, & Gyphosom-inae ; Delage 
(54) p. 237. 
Gyphosominae defined with list of genera ; Delage (54) p. 238. 
Gystecldnus diagnosis ; Meissner in Hamann (112) p. 1402: discussed, 
iG. crassus probably not this genus (p. 157), G. loveni descr. (p. 158, 
pis. B, Ixxv-lxxix), actinal area (p. 122, 123, 130, figg.), G. wyvilleiy 
actinal area (p. 122, 123, 130, pi. Ixxx) ; Agassiz (3). 
iGi/stocidaridae defined as Suborder; Delage (54) jd. 217. 
\Gystocidaroida defined ; Klem (142) p. 12. 
Dermatodiadema Al. Ag. 1898, incl. Aspidodiadema microtnherculatum, 
which is genotype of Plesiodiadema Pomel 1883 non Duncan 1885 ; 
Mortensen (195) p. 38: discussed, incl. also Aspidodiadema antil- 
larum ; Agassiz (3) p. 58 : descr. ; Delage (54), p. 230. D. amphi- 
gymmim ; Mortensen (195) p. 38 : descr.; de Meijere (57) p. 47, 
pi. xiv. D. glohidosum descr. (p. 60, pis. xxiv, xxvi, xxviii, xxix), 
D. horridum descr. (p. 63, pis. xxiv-xxix) ; Agassiz (3). D. indicum ; 
