ECH1N01DEA. IV, €. Edl. 43 
Hipponoe esculenta ; Sluiter (151) p. 71. f/T. parhinsoni , Sardinia; 
Cotteau (26) p. 10. H. variegatd ; Sluiter (151) p. 71: protective 
habit ; Bather (5). 
’ \Holaster : — H. cordatus , see Macropneustes. H. planus , in zone of Ino- 
ceratnus cuvieri at Tetschen, Bohemia ; Matouschek (106) p. 119. 
H. spatangiformis , see Macropneustes. 
R. iranicus , Aftab (p. 21), R. morgani , Derre-i-Chahr, referred by Gau- 
thier in footnote to Pseudholaster (p. 19), II. proclivis, Aftab (p. 25), 
II. sepositus, Derre-i-Chahr (p. 23), Senonian of Louristan ; Cotteau 
& Gauthier (27) Ech. foss. Perse : n. spp. 
f Ilolectypus : — R. depressus , described and figured, Upper Callovian of 
Carreaux (Orne) ; Bizet (13) p. 116. 
II. circularise Derre-i-Chahr. (p. 75), R. inflatus [ascribed to “ Cott. & 
Gauth. 1894,” but apparently n. sp.], Aftab (p. 73), Senonian of 
Louristan ; Cotteau & Gauthier (27) Ech. foss. Perse : n. spp. 
f Ilypsaster, maintained and discussed ; Lambert (83) p. 155. 
H. husseini (p. 9), H. longesulcatus (p. 10), Cenomanian of Kebir-kouh 
Louristan ; Cotteau & Gauthier (27) Ech. foss. Perse : n. spp. 
Ilarionia beggiatoi , Italy; Gregorio (47) p. 16. 
f Iraniaster, n.g. of Spatangidce (p. 26), with type I. morgani (p. 28), also 
I. douvillei (p. 30), both from Senonian clays of Awasa, Louristan ; 
Cotteau & Gauthier (27) Ech. foss. Perse : n. spp. 
f Isaster, defined and discussed ; Lambert (83) p. 159. 
f Isopneustes, Pomel, maintained and discussed ; l. c. 
flsopneustes, Mun. Chal., syn. of Cyclaster ; l. c. 
• \Kleinia conjuncta , possibly a Toxobrissus , but species invalid ; Tate 
( 157) p. 124. 
Laganum bonani ; Sluiter (151) p.72 ; distinguished from L.depressum ; 
Koehler (77) p. 418. L. depressum ; Sluiter (151) p. 72. L. 
fragile , described and figured ; Mazzetti (107) p. 217. 
fLeiocidaris : — L. australice , see Cidaris striata. L. hisirix ; Cortese 
( 22) p. 173. 
Linthia : — iL. arizensis ? ; Mazzetti (108) p. 435. L. assabensis , described 
and figured ; Mazzetti (107) p. 221. L. aurisleporis (p. 435), 
L. batyolcos (p. 435), L. capellinii , includes Trenaster falax [sic], 
Mazz. (p. 434), L. cavernosa (p. 435), L. cunghii (434), L. inflata 
(p. 435), L. insignis (p. 433), L. locardi ? (p. 434) ; +Mazzetti (108). 
t L. locardi , Sardinia ; Cotteau (26) p. 39. L. perplexa (p. 434), 
L. subelliptica (p. 434), L . subglobosa (p. 433) ; +Mazzetti 
(108). 
Lovcnia elongata ; Sluiter (151) p. 73: young ; Koehler (77) p. 416. 
L. subcarinata ; Sluiter (151) p. 74. + L. tuberculata, see Hemi - 
pa tag us. 
t Macropneustes : — M. australis , invalid ; Tate (157) p. 124. +J/. cordatus 
probably a Holaster ; op. cit. p. 123. +.¥. meneghini ; Mazzetti (108) 
p. 429. f M. peroni, see Trachyspatangus. 4 M. spatangiformis ; 
Tate (157) p. 123. 
