ECHINOIDEA. (iV, C.) 
Echin . 59 
radioles, pedicellariae, compared with E. alexandri & E. blanchardi ; 
de Meijere (57) p. 144, pi. xix. f E . ellipsoidal™ ; Gourdon (102) 
p. 221. \E. hemisphaericus ; Oouffon (46) p. 42: Douxami (69) 
p. 188, 561. t E. hovelacquei ; Gourdon (102) p. 22L E. oviformis ; 
Fourtau (83) p. 428: IIerdman (120) p. 142. t E. scutiformis ; 
Douxami (69) p. 188, 561: Schuetze (251) p. 185. t E. subsimilis ; 
Fugger (92) p. 345. 
Echinolampinae ; Delage (54) p. 264. 
Echinometra descr. ; Delage (54) p. 246 : diagnosis ; Fourtau (83) p. 415 : 
Meissner in Hamann (112) p. 1377. E. lucunter ; Martens (185) 
p. 131: G. of Suez & fbeaches; Fourtau (83) p. 415. E. mathaei 
(= lucunter Leske), compared with E. oblonga; de Meijere (57) 
p. 101. E. oblonga , probable new genus ; Delage (54) p. 246 : 
formerly confused by Mortensen with E. mathaei , now distinguished ; 
Mortensen (195) p. 123, pi. v, vii. E. subangidaris ; Branner (32) 
p. 271. 
Echinometridce , vide Selenechinus. 
Echinometrinae defined with list of genera ; Delage (54) p. 246. 
. Echinoneus descr. ; Delage (54) p. 263 : diagnosis ; Meissner in Hamann 
(112) p. 1385. E. cyclostomus ; Herdman (120) p. 142: radioles &c. ; 
de Meljere (57) p. 139: a sand-feeder; Gardiner (95) p. 340. E. 
minor ; Martens (185). 
Echinoninae ; Delage (54) p. 263. 
Echinorodum vide Clypeaster. 
Echinosoma ; Delage (54) p. 223. 
\ Echinospatagus cordiformis ; Strangways (266) p. 72, 76. 
Echinostrephus ; Delage (54) p. 246: diagnosis; Meissner in Hamann 
(112) p. 1376. E. molar e ; Herdman (120) p. 139. 
Echinothrix ; Delage (54) p. 232. E . calamaris, inch E. desori ; de 
Meijere (57) p. 51: fr. Redang, ambulacral radiole, pedicellariae; 
Mortensen (195) p. 30, pi. iii-v. E . diadema\ Herdman (120) p. 139 : 
Martens (185) p. 132: ( = turcarum ), radioles, pedicellariae; de 
Meijere (57) p. 50, pi. xiv: pedicellariae, spicules; Mortensen (195) 
p. 31, pi. iii, iv. 
t Echinothuria sp. ; Salter (240). 
Echinothurida defined (p. 216) descr. (p. 219) with Fam. Echinothuriinae 
(p. 221) ; Delage (54). 
Echinothuridae maintained, relations discussed, derived from Lepido- 
centridae\ Mortensen (195) p. 51. 
Echinothuriinae defined with list of genera ; Delage (54) p. 221. 
Echinus descr.; Delage (54) p. 242, & figg. : diagnosis; Fourtau (83) 
p. 416: Meissner in Hamann (112) p. 1369. E. acutus ; Mar. Biol. 
Ass. (184) p. 210. E. albocinctus descr., distinguished from E. 
magellanicus , also in tPliocene; Loriol (162) p. 18, pi. i. E. angu- 
losus ; Bell (22a). E. armatus vide Selenechinus. E. elegans ; de 
Meijere (57) p. 208. E. esculentus\ Dekhuyzen (51): Gemmill & 
Linstow (99): Mar. Biol. Ass. (184) p. 210: Nobre (198)p. 55 & (199): 
section of radial cord figd. ; Roy. Coll. Surgeons (237) p. 4. E. gil- 
christi n. sp., 33-700 fm., S. African coast, various locc. ; Bell (22a) 
p. 170. \E. lineatus ; Walther (281) p. 158. E. magellanicus, descr., 
is not Sterechinus , distinguished from E. margaritaceus ; Loriol (162) 
p. 13, pi. i. E. microtuber culatus ; Herbst (117 & 119): development; 
Schmidt (246): vide etiam sub Parechinus. E. miliaris) Herbst (117): 
Jannsens (136): Mar. Biol. Ass. (184) p. 210: Retzius (226) p. 28: 
Ziegler (298): vide etiam sub Parechinus. \E. molinis \monilis~\ ; 
Couffon (46) p. 41. E. neglectus ; Retzius (226) p. 28. E. norvegicus 
not bipolar ; Meissner (186) p. 27. E. saxatilis ; Parona (207) p. 384. 
E. trizonalis is a Psammechinus ; Mortensen (195) p. 120. E. verrucu- 
