ECHINOIDEA. 
Ech. 71 
t; Spatangus cequidilaiatus, Mazzetti, v. sub. S. qmstulosus , Wright. S. 
(hlphinus, Defrance, Upper Coralline Limestone and Greensand, Malta ; 
Gregory, (4) pp. G23 & G24 : synonym, S. desmaresti, Wright. «9. 
desmaresti , v. Miinst., Upper Oligocene of Doberg ; Lienenklaus, p. 139 ; 
v. sub. S. delphinus , Defrance. S. ( Maretia ) hqfnianni , Goldf., Upper 
Oligocene of Doberg ; id. p. 140. S. hofmanni , Wright, v. sub. Sar sella 
duncani , n. sp. S. ocellatus, Defrance, Tortonian, Carry, near Marseilles ; 
Gourukt, p. 130. S. ocellatus , Wright, v. sub. Savsella duncani , n. sp. 
id. ornatus, Cuv., from Cretaceous, Russia ; seo Piatnitzky, p. 108. S. 
purpureus, 0. F. M., from Largo Bay, Fife ; A. Bell, p. 293 : Postplio- 
cene of Balestrate ; de Gregorio, (1) pp. 232-235 : Pliocene, Yorkshire ; 
Gregor v, (2) p. 42 : Pliocene of Great Britain : id. (3) pp. 42 & 
43 : Post-glacial ; id. p. 4G. S.pustulosus, Wright, Globigerina Limestone 
and Greensand, Malta ; id. (4) p. G24 : synonym, S. cequidilatatus , 
Mazzetti. S. regina , Gray, a synonym of S. purpureas, 0. F. M. ; id. (3) 
p. 42. 
S. purpureus , 0. F. M.,and S. raschi , Loven, diagnosis and distribution; 
Hoyle, pp. 421-42G. S. purpureus , 54 faths., and S. raschi , Lov6n, 345 
faths., S.W. coast of Ireland ; Sladen, (1) p. 702. 
f& castelli , n. sp., Peron & Gauthier, Miocene of Algeria ; in 
Cotteau, (4) pp. 76-78, pi. i, fig. 1. 
Sjqhcerechinus granularis, Lam., diagnosis and distribution ; Hoyle, 
p. 410. 
-\Steg aster chalmasi, Seunes, Cretaceous, Pyrenees ; Seunes, pp. 23 & 
24, pi. i, fig. 1 a-e, figs. 1 & 2 in the text. 
t Stellaster coombi, Forb., and +& planensis , Gein., Cretaceous, N. 
Bohemia; Jaiin, p. 481. 
f Stirechinus scillce (Desmoulins) Desor, Malta ; Gregory, (4) p. 627 : 
synonym, f Echinus costatus , Ag. 
f ; Stomechinus cesaredensis , de Lor., pp. 104 & 105, pi. xviii, fig. 7, 
S. choffati , de Lor., pp. 102 & 103, pi. xvii, fig. 5, S. distinctus , Cott., pp. 
10G & 107, pi. xviii, fig. 2, S. microcyphus , Wright, pp. 103 & 104, pi. xviii, 
fig. 3, Jurassic of Portugal ; de Loriol (3). 
Stomoporus, Cott. : definition of genus : Cotteau, (1) p. 22. 
f S. hispanicus , Cott., Eocene of Callosa, Alicante ; id. (1) pp. 23 & 24, 
pi. iii, figs. 1-4. 
Strongylocentrotm depressus and tubercidatus , Lam., from Japan ; Ives, 
(1) p. 214. S. drbbachiensis , O. F. M., from West Greenland, 3 faths. ; 
Ives, (3) p. 480 S. drbbachiensis and S. lividus , Lam., diagnosis and 
distribution ; Hoyle, pp. 409 & 410. 
f S. drbbachiensis , Pliocene of Great Britain, p. 3G, Glacial, p. 45 j 
Gregory, (3). 
t»S. scaber , Pliocene, Yorkshire, Gregory, (2)pp. 41 & 42, pi. i, fig. 7 : 
and Pliocene of Great Britain; id. (3) p. 36, pi. ii, fig. 7, n. sp. 
f Studeria spratti , Wright, var. elongata , n. var. ; Gregory, (4) pp. 603 
& 604, Lower Coralline Limestone, Malta. 
TcmnechinuSy remarks on r Gregory, (3) p. 29. 
