ECHIN01DEA. IV, C. 
j Ech. 41 
\E. hemipilus (p. 441) ; MazzEtti (108). f E. hemisphcericus ; op. cit. 
p. 440 ; CortEse (22) p. 143 : large individual, Sardinia ; Cotteau 
(26) p. 32. \E. Jcleini ; Mazzetti (108) p. 439. t E. nuperus , see 
Caratomus. E. oviformis ; Sluiter (151) p, 73: iE. patellaris 
(p. 440), \E. pilus (p. 441) ; Mazzetti (108). \E. plagiosomus, olira 
Conoclypeus , Sardinia ; Cotteau (26) p. 3L fE. prodUctus (p. 439), 
t E. rostratus (p. 439), \E. sciitiformis (p. 440), +J57. similis (p. 438), 
\E. sphcericus (p. 440), \E. stclliferm (p. 442) ; Mazzetti (108). 
\E. studeri ; op. cit. p. 440 : mentioned by Marmora as from Calcaire 
grossier of Pirri, Sardinia, is not that species ; Cotteau (26) p. 37. 
fE. subangulatus (p. 438), \E. subcylindricus (p. 438), tJE7. subellipticuS 
(p. 439), t E. subquadrangulatus (p. 439) ; Mazzetti (108). iE. sub- 
similis , Italy, figured ; GREGORIO (47) p. 16. 
fi E. calarensis, Miocene of Frexenda in Cagliari, Sardinia (p. 32), 
f E. lovisatoi , Miocene of Torre de Iscale Sale near C. Mannu, 
Sardinia (p. 36) ; Cotteau (26) Mem. Soc. geol. France, Pal. v, 
fasc. ii, M6m. No. 13. fE. magnificus [quoted as Mazzetti, 1888, 
possibly is n. sp.], Montese, Italy ; Mazzetti (108) p. 441. 
■\E. pseudoangulatus , Miocene of Sardinia (p. 35), f.E. s.-micheli 
[ascribed to “Lovisato, 1893,” but apparently n. sp.], Miocene 
“ calcaire argileux,” of Mt. S. Michele, Cagliari, Sardinia (p. 33), 
t-B- sardiniensis , Miocene of C. St. Elia, Sardinia, varieties from 
Fontanazzo (p. 34) ; Cotteau (26) Mem. Soc. geol. France, Pal. v, 
fasc. ii, Mem. No. 13 : n. spp. 
Echinomctrd lucunter ; Koehler (77) p. 415 ; Sluiter (151) p. 69. 
E. subangularis, E. viridis ; l. c. 
Ecldnoneus cytlostomus , E % semilunaris ; Sluiter (151) p. 73. 
Echinothrix calamaris ; Sluiter (151) p. 68. E. desori , variations from 
type in direction of E. calamaris ; Koehler (77) p. 411. E. tur- 
carum ; Sluiter (151) p. 68. 
Echinus acutus ; Sluiter (151) p. 71 ; Grieg (49) p. 11 ; Koehler (78) 
p: 225 & (79) p. 228 : distinguished in detail from E. melo and E. 
sphcera ; Koehler (75) p. 334: E. Mediterranean, formerly referred 
by Marenzeller to E. norvegicus ; Marenzeller (104) p. 142. E. alex - 
andri , distribution extended to Spain and Azores, and to a depth of 
1674 metres ; Koehler (79) p. 229. E. angulosus ; Sluiter (151) 
p. 71. E. elegans • Grieg (49) p. 11 ; Sluiter (151) p. 71. 
■\E. enysi , probably Psammechinus woodsi ; Tate (157) p. 122. 
E. esculentus ; Grieg (49) p. 11 ; Sluiter (151) p. 71. f E. cf. hun- 
garicus ; ProciiAzka (134) pp. 8, 17. E. magellanicus; Farquhar 
(37) p. 196 ; Bernard (12). E. margaritaceus , includes E. diadema ; 
1. c. E. melo ; Sluiter (151) p. 71 : 1103 metres with brilliant 
colour; Koehler (79) p. 228. E. microtuber cidatus ; Seeliger (148) { 
Sluiter (151) p. 71 : spermatogenesis ; Field (38) : development 
of larva ; Bury (17) pp. 75-83 : genital system and madreporite ; 
Russo (141). E. miliaris ; Grieg (49) p. 11 ; Sluiter (151) p. 71. 
E. norvegicus ; l. c. ; Grieg (49) p. 11. E. sphccra ; Koehler (78) 
p. 225. E. verruculatus ; Sluiter (151) p. 71. 
