HOLOTHURTOIDEA, ECH INOIDEA. Ech. 21 
Slueria elegans , Schlumberger, to be Myriotrochus elegans ; id. pp. 198 
& 199, figs. 15-17. 
Synapta eocena, Schlumberger, redescribed, p. 193, figs. 1-5 ; S. stueri , 
n. sp., p. 194, fig. 6 ; S. renifera , n. sp., p. 194, fig. 7 ; S. circularis, n. sp., 
, p. 195, fig. 8 ; S. Icevigata , n. sp., p. 195, fig. 9 ; S. truncata, n. sp., p. 196, 
fig. 10; Schlumberger. S. ludwigii , n. sp., p. 108, figs. 4-9 ; S. rodea , 
n. sp., p 108, figs. 10-14 ; Sluiter (3). 
Theelia undulata , for Chirodota undulata , Schlumberger, p. 197, figs. 13 
& 14 ; Schlumberger. 
Thyone rosacea , Semper : with it are to be united Thyone sargassi , 
Lampert, and Cucumaria inconspicua ; Ludwig (1). 
Vide also Lampert (2) for new species of Holothurians. 
ECHINOIDEA. 
Adelopneustes } n. g., Gauthier. 
Coraster margaritce, n. sp., Cotteau (3). 
Cyclaster gourdoni , n. sp., id. (3). 
Echinarachnius woodi, Forbes, belongs to the genus Rliynchopygus ; 
Gregory. 
Echinolampas blanchardi, n.sp.,pp. 288-292, pi. v, figs. 1-12, Cotteau (1). 
JE Inallaster mexicanus, n. sp., pp. 296-298, pi. ii, id, (4). 
i H olcopneustes gourdoni , n. g. & sp., id. (3). 
Holectypus castilloi , n. sp., pp. 295 & 296, pi i, id. (4). 
j Hypopygurus, n. g., Gauthier. 
Leiosoma gourdoni , n. sp., Cotteau (3). 
Maretia aragonensis, n. sp., id. (3). 
Melonites gaudryi , n. sp., p. 736, Julien. 
Micraster gourdoni , n. sp., Cotteau (3). 
Micropsis frossardi, n. sp., id. (3). 
>/ Opisopneustes, n. g., Gauthier. 
^ Or thechinus, n. g., id. 
j Palceechinus lacazei , n. sp., p. 736, Julien. 
^ Rhabdobrissus julieni , n. g. & sp., pp. 281-285, pis. ii, figs. 1-4, & iii y 
figs. 1-6, Cotteau (1). 
Rhgnchopygus woodi ) Gregory, = Echinarachnius woodi } Forbes. 
Schizaster edwardsi , n. sp., pp. 286-288, pis. iii, figs. 7-12, & iv, figs. 
1-12, Cotteau (1). 
Vide also Gauthier, Neumayr, and Sennes. 
ASTEROIDEA. 
Sturtz gives the following classification of palaeozoic Stelleridce (pp. 
245-247) : — 
I. Suborder. Encrinasterhe. 
Family. Palcebrisingidce. Loriolaster , Sturtz, Cheiroptaster , Sturtz. 
Family. Palcechinasteridce. Palasteriscus ) Sturtz. 
