72 Echin. 
XIV. EC11IN0DERMA. 
[ 1904 ] 
Schizocidaris ; Delaqe (54) p. 228. 
f Scutella descr.; Delaqe (54) p. 254. S. aberti ; Clark (39) p. 432, pis. 
cxix, cxx. S. dejlersi ; Barron (15) p. 607. S. Helvetica ; Schuetze 
(251) p. 172. /S'. interlineata ; Haehl (110) p. 24. /S'. cf. paidensis, 
descr., distrib. of sp. ; Schuetze (251) p. 170, pi. iv. & striatula , 
single specimen in coll. M. de Serres, from l’H^rault, is same as 
S. ja[c\quemeti Lor., which name should be used?; Loriol (162) 
p. 67. 
Scutellmae defined with list of genera ; Delage (54) p. 254. 
Selenechinus ; Delaqe (54) p. 246 : n.g. of Echinometridae , not diagnosed, 
but with genotype S. armatus n. sp., Sulu Sea?, compared with 
HeliocidaHs & Pseudechinus ; de Meijere (57) p. 99, pis. v, xvii. 
Spatangida defined (p. 248) descr. (p. 256) with Famm. Cassidul-, 
Holaster-y & Spatang-inae (p. 263) ; Delaqe (54). 
Spatangidae , vide Eobrissus. 
Spatanginae defined with list of genera in groups Prymnodesminae> 
Prymnadetinae , Adetinae ; Delaqe (54) p. 267. 
Spatagocystis ; 1. c. : diagnosis ; Meissner in Hamann (112) p. 1405. /S'. 
challengeri , additional details from an undescribed Challenger specimen; 
Agassiz (3) p. 141, pis. lxx, lxxi also p. 122, 123, 127, 128, 130. 
Spatagodesma ; Delaqe (54) p. 271: diagnosis; Meissner in Hamann 
(112) p. 1406 : compared with Agassizia (p. 198), apical system (p. 173, 
f. 289, pi. cvi). /S'. diomedae descr. (p. 200, pis. cvi, cvii) ; Agassiz (3). 
+/S patangopsis, & /S'. costata ; Klem (142) p. 75. 
Spatangus descr.; Delaqe (54) p. 267, figg. : diagnosis; Meissner in 
Hamann (112) p. 1396. t>$. delphinus ; Douxami (69) p. 561 : 
descr., distinguished from /S'. desmaresti , comparative measurements, 
distrib. ; Schuetze (251) p. 181, pi. v : differs from Burdigalian type; 
Lambert in Review. t<S. deydieri\ Douxami (69) p. 561. t /S'. gottschei 
Gagel is a Maretia ; Lambert in Review of Gagel. f/S'. ocellatus ; 
Schuetze (251) p. 185. fS. prunella ; Lambert (147) p. 21, 22. 
S. purpureus ; Clerc (41): Henri (116) p. 13: Mar. Biol. Ass. (184) 
p. 211. /S', raschi ; Bell (22a). 
Sperosoma descr. ; Delage (54) p. 224, fig. : origin of ambulacrals ; 
Agassiz (3) p. 81. /S', quincunciale n. sp., S. of Timor, 883 m. ; 
de Meijere (57) p. 40, pi. xiii. 
Sphaerechinus descr. ; Delage (54) p. 244, figg. : diagnosis ; Meissner in 
Hamann (112) p. 1373. S. australiae is young of Pseudoboletia 
maculata ; de Meijere (57) p. 208. S. granularis; di Mauro (63) : 
Henri (116) p. 13: Herbst(117): Yiguier (277). 
fJSpileccia, placed in Arbadinae ; Delage (54) p. 238. 
/ Stegaster ; de Meijere (57) p. 170. 
f JStenonia discussed ; de Meijere (57) p. 242. 
Stephanocidaris (vide etiam sub Cidaris) ; Delage (54) p. 228. /S', bi- 
spinosa ; Herdman (120) p. 138 : incl. Cidaris luetkeni , holotypes 
examined, descr., young ; Mortensen (195) p. 6, pi. iii-v. 
Sterechinus ; Delage (54) p. 243 : diagnosis ; Meissner in Hamann (112) 
p. 1370 : discussed and restricted to /S', antarcticus ; Loriol (162) 
p. 16. /S', magellanicus ; de Meijere (57) p. 208. 
Stereocidaris (vide etiam sub Cidaris) ; Delage (54) p. 227, fig. : cause of 
absence of apical radioles ; de Meijere (57) p. 6. S. canaliculata 
(p. 691), /S', nutrix (p. 690) ; Ludwig (164). t/S. sceptrifera ; Wolle- 
MANN (289). 
Stereopneustes ; Delage (54) p. 265 : diagnosis ; Meissner in Hamann 
(112) p. 1403 : diagnosis (p. 147) compared with Urechininae (p. 151) 
& Echinocorytidae (p. 152), /S', relictus , described (p. 148, 239, pis. v, 
xix, xx) ; de Meijere (57). 
Sternopatagus ; Delage (54) p. 267: discussed; Agassiz (3) p. 131: 
