ECHINOIDEA. 
Ech. 77 
fS. roenieri , Cretaceous, Silesia, Langeniian & Grundey, Jahresb. d. 
Glatzer Gebirgs-Yer. x, p. 8, n. sp. 
Schleinitzia crenularis , Stud., see Rkabdocidaris annulifera. 
fScutella paulensis, Agass., var., Helvetian of Rhone Basin ; Dep^ret 
( 64) p. 426. f 8., cf. subrotunda , Lam., Tertiary of Coro ; Ernst 
( 75) p. 339. 
■\Scutellina, redescribed, p. 306 ; S. concava, Thomas & Gauthier, re- 
described, p. 345; S. dufouri , Cott., redescribed, p. 311 ; S. incisa , 
Defy, sp., rede3cribed and removed from Sismondia , p. 322 ; S. lenti- 
cularis, Lam. sp., redescribed and discussed, with its variations, 
p. 315 ; S. michelini , Cott., p. 307, S. obovata, Agass., p. 326, S. 
rotunda , Galeotti sp., p. 335, 8. supera , Agass., p. 339, redescribed ; 
Cotteau, Pal. franc., Ech. Tert. ii. 
f S. blaviensis, Eocene, Calcaire de Blaye, Soussans, Bruges and Gironde, 
p. 331, S. besangoni, Eocene of Fontenay and Cahaignes, Eure, p. 330, 
8. bonissenti, Middle Eocene of Hauteville, Manche, p. 324, S. calvi- 
montana , Middle Eocene of Oise and Eure, p. 343, 8. folium, Eocene 
of Soussans, p. 333, S. linderi, Middle Eocene of Gironde, p. 313, S. 
inorgani , Eocene, Mt. Gambier, Australia, p. 347, Cotteau, Pal. 
franc., Ech. Tert. ii, n. spp. 
f Sismondia incisa , see Scutcllina. 
Spatangidce, morphological study of the plastron, and phylogenesis ; 
Lambert (146). 
Spatangus , Leske ; Bell (16) p. 164. f S., cf. austriacus, Laube ; 
Toula (265) p. 288. f-S. ocellalus , Defr.; Rothpletz (224) p. 103. 
S. purpureas , Leske ; Bell (16) p. 165, Danielssen (62) p. 5, 
Petersen (216) p. 42, Simonelli (245) p. 218, Steindachner 
( 254) p. 446. 5. raschi , Loven ; Bell (16) p. 167, Danielssen (62) 
p. 5. S. sp., alimentary canal ; Frenzel (88) p. 102. S. sp. ? ; 
Efisio (73) p. 252. fS. truncatus , Goldf., referred to Cibastcr ; 
Lambert (146) p. 97. 
f£>. macraulax , n. sp., Simonelli (245) p. 220. 
Sphrcrechinus , Dosor ; Bell (16) p. 158: structure of ovum; Schneider 
( 237) p. 46. 8. granularis , Lam.; Bell (16) p. 158: chemical 
stimulation of unfertilised eggs; Herbst (117): experimental 
investigation of development; Driescii (69, 68,70), Herbst (116) 
118): spermatogenesis; Field (83): alimentary canal; Frenzel 
( 88) p. 101 : dorsal organ ; Leipoldt (148) p. 595. f 8. leymeriei , 
Cott. sp., redescribed and now first figured ; Cotteau (44) p. 623. 
jStcgastcr , Pomel, cnu Seunes, discussed ; Lambert (146) p. 97. 
f Stenoyiia, Desor, discussed ; Lambert (146) p. 98. 
f Stei'eocidaris : — S., cf carter}, Forbes sp., redescribed and figured, p. 86 ; 
S. liirudo, Sorign. sp., measurements of test, p. 99 ; S. merceyi , Cott. 
sp., redescribed and figured, p. 105 ; S. punctillum, Sorign. sp., dis- 
cussed, p. 97 ; S. reussi, Gein. sp., redescribed and figured, p. 94 ; S. 
sceptrifera, Konig sp., redescribed and figured, p. 110 ; Schlueter, 
Abh. Preuss. geol. Landesanst. Heft 5. 
1893. [yol.'iix.] 
e 29 
