ECHINOIDEA. (IV, C.) 
Echin. 89 
Mils. (p. 170 & figg.), S. nutrix ( Goniocidaris membranipora) (p. 173) ; 
Mortensen (229). t/& reus&i ; Wollemann (327) p. 51. is. sceptri- 
fera , radioles and test-fragments ; Wollemann (326) p. 20. 
\Stereopedina n. s.-g. of Echinopedina (q. v.) for E. ameghinoi and E. 
cubensis ; Loriol (200) p. 11. 
Stereopneustes n. g. of Echinocorytidae with genotype S. relictus n. sp., 
Malay Archipelago, 522-827 m. ; de Meijere (53) p; 9. 
Sternopatagus n. g. of Pourtalesiidae , with genotype S. sibogae n. sp., 
Timor Sea, 2050 m. ; de Meijere (53) p. 10. 
iStigmatopygus, discussed ; Loriol (200) p. 19 : Lambert (177) p. 480. 
S. elatus , v. sub Nucleolites . 
\ Stir echinus scillae ; de Giorgi (47) p. 193. 
\Stomechinus , diagnosis; Savin (283) p. 151. S. aroviensis ; Levinskii 
( 187) pp. 586, 593: Siemiradzki (293) pp. 383, 385. S. cf. cognatus; 
op. cit p. 336. S. denudatus; Savin (283) p. 152. a S'. ( Psephechinus ) 
quoniami n. sp., Bathonian ?, near Figuig oasis, holotype in ficole 
aes Mines; Gauthier (100) p. 25, pi. i. S. serratus ; Savin (283) 
p. 153. 
Stomopneustes, diagnosis as member of Stomopneustidae , comprises S. 
variolaris and ? atropurpurea ; Mortensen (229) p. 133: diagnosed; 
Meissner in Hamann (125) p. 1362. S. variolaris , descr., spicules 
and pedicellariae figd. ; Mortensen (229) p. 126, pi. xvii. 
Stomopneustidae n. fam., diagnosis, comprises only Stomopneustes ; op. cit. 
p. 133. 
Strongylocentrotinae n. , subfam. of Toxopneustidae , comprising Strongylo- 
centrotus and Anthocidaris ; Mortensen (229) p. 137. 
Strongylocentrotus , diagnosis as member of Strongylocentrotinae , com- 
prises S. chlorocentrotus , pulcherrimus , intermedius and provisionally 
S. drobachiensis , purpuratus , franciscanus ; Mortensen (229) pp. 121, 
137. S. sp., dissection; Pratt (261). S. albus, descr., pedicellariae 
figd., refd. to Loxechinus (p. 122, pi. xvii), S. bullatus , refd. to Lox- 
echinus (p. 123), S. chlorocentrotus discussed (pp. 120, 178), S. depressus y 
descr., pedicellariae and spicules figd., refd. to Pseudocentrotus (q. v.) 
(p. 122, pi. xxi); Mortensen (229). S. droebachiensis ; Marenzeller 
(214) p. 564: Norman (239) p. 410 : (?) RichariS (271) p. 68 : Simpson 
(294) p. 42 : local varieties ; Michailovskij (223) pp. 472, 523 : Mor- 
tensen (227) p. 88 : descr., spicules and pedicellariae figd. (p. 120, 
pi. xx), descr., esp. plates of buccal membrane and pedicellariae, 
aistrib., variations (p. 162, pis. i, ii, xvi, xx); Mortensen (229) (v. et 
sub Toxopneustes). S. erythrogrammus , incl. Toxocidaris delalandi 
and becomes genotype of Toxocidaris ; op. cit. p. 125. S. francis- 
canus ; Loeb (194) & (193) : t Arnold (8) p. 90 : spicules, pedicellariae ; 
Mortensen (229) p. 120. S . gaimardi , discussed (p. 124), S. gibbosus , 
descr., pedicellariae figd., refd. to Loxechinus (p. 123, pi. xvii), type- 
specimens probably Toxocidaris , Challenger specimen was wrongly 
determined (p. 178); Mortensen (229). S. intermedius discussed 
(p. 120), specimen mentioned on that page is S. pulcherrimus y 
the true sp. now descr. (p. 178); Mortensen (229). S. lividus , 
see ii, c, vii ; Bertolo (13): Bohn (19): Boveri (23): Delage (51): 
Doncaster (64): Guenther (121): Lyon (206): Nichols (236) 
p. 261 : Schuecking (290) : Ziegler (337 & 338) : osmosis ; Henri &. 
Lalou (139) & (141) p. 721 : descr., pedicellariae figd., forms genotype 
of Paracentrotus (p. 123, pi. xvii), of Sluiter fr. Dogger Bank is 
S. drobachiensis (p. 181); Mortensen (229): (v. et sub Toxopneustes). 
S. mexicanus (p. 179), S. nudus, pedicellariae (p. 179); Mortensen 
(229). S. pictus; Norman (239) p. 410. S. purpuratus ; Loeb (192, 
193 & 194) : +Arnold (8) p. 90 : ventral view ; Jordan & Heath (160> 
p. 144, f. 90: pedicellariae figd.; Mortensen (229) p. 120, pi. xx. 
