ECHINOIDEA. (lV, C.) 
Echin. 67 
vecchio vicentino; Mazzetti (173) Mem. Pont. Acc. Lincei, v, p. 10, 
pi. i. fS. recticanalis , n. sp., Tertiary, bank of Saigawa at Kanazawa 
in Kaga, Japan; Yoshiwara (259) J. Geol. Soc. Tokyo, vi, p. 3. 
+$. rimosus , slight variations from forms previously descr.; Airaghi 
( 4) p. 170. f£. roemeri is probably a Hypsaster ; Lambert in Review 
of Frig (91) Zool. Rec. 1897. iS. rohlfsi ; Fourtau (96) p. 675. 
+>$. scillae ; Airaghi (2) p. 372: incl. S. bellardii Michelotti; Airaghi 
( 4) p. 172. fS. studeri , redescr., measurements, incl. specimens 
referred by Botto-Micca to S. diulfensis ?; Airaghi (4) p. 167, pi. vii: 
probably not S. studeri ; Lambert in Review. iS. vicinalis, measure¬ 
ments; Airaghi (4) p. 169. fS. zitteli; Fourtau (96) p. 674. 
+>S 'cutella: — S. ammonis ; Fourtau (96) p. 698. S. faujasi, with 4 ambu¬ 
lacra; Kerforne (134). S. gabbi Remond as Clypeaster , redescr.; 
Merriam (175) p. 168, pi. xxii. S. gibbsi, see Echinarachnius. S. 
innesi, n. sp., Helvetian ii “Grks a Echinolampas amplus et Ostrea 
vestita ,” between Gebel Geneffe and railway station; Gauthier in 
Fourtau (96) p. 699, text-fig. S. interlineata , redescr.; Merriam 
( 175) p. 168, pi. xxii. S. rostrata ; Fourtau (96) p. 698. S. striatula, 
differences from S. subrotunda , to which the specimens were referred 
by Michelotti; Airaghi (4) p. 154, pi. vi: certainly not S. striatula ; 
Lambert in Review. S. subrotunda ; Airaghi (4) p. 154. S. zitteli , 
Fourtau (96) p. 699. 
t Scutellina patella \ Hall & Pritchard (117) pp. 39, 45, 49. 
Semiclypeus , vide sub Amblypygus. 
Sismondaea versus Sismondia , spelling discussed; Fourtau (96) p. 644. 
t Sis7nondia :— S. logotheti (p. 642); S. macrophylla Mayer-Eymar (as 
Sismondaea [vide Zool. Rec. 1898]) “ bien aventureux d’etablir une 
n. sp. de Sismondia sur un seul exemplaire de petite taille ” (p. 644); 
S. planulata cited by Fraas from Mokattam may be S. saemanni 
(p. 643); S. zitteli Mayer-Eymar (as Sismondaea [vide Zool. Rec. 
1898]) accepted (p. 644): Fourtau (96). 
Spatangus arcuarius Goldf. 1826, examination of the original specimen, 
which is not a fossil, but referable to the recent Amphidetus cordatus 
Penn. sp.; Schlueter (209) p. 104. fS. bucardium Goldf., vide 
Plesiaster bucardium et parvistella. t*S'. corsicus ; Airaghi (4) p. 177. 
fS. hieroglyphicus J os. Muller, distinguished from Plesiaster bucardium 
et parvistella ; Schlueter (209) p. 122. +£. pantanellii , n. sp., 
Bartonian of Poleo near Schio; Mazzetti (172) Mem. Pont. Acc. 
Lincei, v, p. 8, pi. i. S. purpureus , distribution, habitat, habits, 
commensal; Allex (8) p. 475: Mull, non Lam., Veronese ; JMazzetti 
( 173) p. 14. fS. truncatus Goldf., vide Cardiaster. 
Sphaerechinus ; Uexkull (235). S. granularis , pedicellariie ; Uexkull 
( 234): breeding period, habitat; Lo Bianco (147) p. 474: crossed 
with Strongylocentrotus ; Vernon (240): astrosphere in immature ova; 
Stricht (225 a). 
\Stegaster :—vide etiam sub Scagliaster. S. caucasicus , descr. and measured ; 
Anthula (18) p. 63, pi. ii. S. cf. planus ; Bonarelli (42) p. 1022, 
pl.-f. 5: is not a Stegaster ; Lambert in Review. S. subtrigonatus 
and var.; Bonarelli (42) p. 1021, pi. - ff. 2, 3, 4: cannot be a 
Stegaster in sense of Seunes, or even of Pomel, but probably a 
Cardiaster ; Lambert in Review. 
t Stenonia tubercidata ; Bonarelli (42) p. 1020 ; Simionescu (215) p. 231. 
bStirechinus sp.; Airaghi (2) p. 365, pi. - f. 5. 
fStomoporus, vide sub Megapneustes. 
Strongylocentrotus droebachiensis ; Bidenkap (37) p. 100, and (38) p. Ill: 
development of interambulacrals; Jackson (127) p. 129, figg. 112- 
116. fS. droebachiensis [sic]; Airaghi (2) p. 365, pl.-f. 6: pores are 
different, Lambert in Review. S. lividus , dissection, very popular; 
