Echin. 75 
ECHINOIDEA. (IV, C.) 
L. cevense , Pliocene of Ceva, Piedmont; Botto-Micca (41) Boll. Soc. geol. 
Ital. xv, p. 353, pi. x. — L. fraasi, probably Cenomanian of Ghazir, 
Lebanon; Loriol (195) Rev. Suisse Zool. v, p. 174, pi. viii. — L. peolce , 
Pliocene of Mt Castello, Alessandria, Piedmont; Botto-Micca (41) 
Boll. Soc. geol. Ital. xv, p. 352, pi. x. — L. spiennesensis , zone of Bel. 
mucronata , Spiennes, Belgium ; Schlueter (297) p. 48, pi. ii ; Lambert 
(180) p. 188 : n. spp. 
ALovenia forbesi, with synonymy ; Pritchard (272) p. 143. 
t Lyc/midius Pomel, maintained but removed from Caratomidce to Echino- 
brissidce , and distinguished from Trematopygus (p. 160) ; L. analis 
(olim Nucleolites) Ag. non d’Orb. (p. 164) ; L. scrobiculatus (olim 
Nucleolites vel Echinobrissus), redescr. (p. 162, pi. v); Lambert (180). 
ALysechinidce , n. fam. of Plcsiocidaroida , with unique Lysechinus , n. g. with 
genotype L. incongruous, St Cassian Beds, Trias, St Cassian, Tyrol; 
Gregory (110) p. 1001, n. sp. 
A Macrodiadema, n. g. with genotype M. ciplyensis, Senonian of Ciply, 
based on spine; Lambert (180) Bull. Soc. Beige Geol. ser. 2, xi, p. 146, 
pi. ii, n. sp. 
t Macropneustes : — M. dcsorii ? ; Botto-Micca (41) p. 365. — M. marmorce , 
vide sub Spatanqus. — M. meneghini, is a Hypsospatangus ; Mazzetti 
(225) p. 429. 
M. zitteli , volcanic tuff, Eocene, abovo Kavak-Mahle near Haskovo, 
Bulgaria; Bontscheff (40) Jahrb. geol. Reichsankt. xlvi, p. 372, pi. iv, 
n. sp. 
AMagnosia pulckella; Kilian (157) p. 768. 
Maretia: — AM. grignonensis ; Botto-Micca (41) p. 368. — AM. pareti, 
probably not a Maretia ; Mazzetti (225) p. 428 : vide sub Spatangus . — 
M. planulata\ Pfeffer (267) p. 46: colour, Funafuti; Whitelegge 
( 346) p. 157. 
Mellita , characters that separate it from Encope (p. 435); M. stokesi ’, its 
relations to Monophora (p. 437); Lahille (176). 
Melobosis, syn. of Salmacis; Lambert (179) p. 497. 
t Melonites: — M. indianensis ; Jackson (139) p. 183. 
M. giganteus , Lower Subcarboniferous, Bowling Green, Ky., arrangement 
of plates fully described and compared with M. multiporus ; Jackson 
( 139) p. 172, pis. iv & v. — M. septenarius , Warsaw group of Lower 
Carboniferous, Buzzard Roost, Franklin Co., Ala., plates of inter- 
ambulacrum discussed; Jackson (139) p. 182, pi. ix : n. spp. 
AMelonitidce, discussed; Tornquist (327) p. 735: defined, includes Rho- 
echinus , Palaechinus , Oligoporus , and Melonites ; Jackson (139) p. 239. 
t Menuthiaster, n. g. with genotype M. cotteaui, Cretaceous, ? Senonian, 
near Diego-Suarez, Madagascar, placed in fam. Aeropidce , apex and 
plastron figured ; Lambert (178) Bull. Soc. geol. France, ser. 3, xxiv, 
p. 325, pi. xi, n. sp. 
Metalia sternalis; Pfeffer (267) p. 46. 
t Metaporliinus \ — M. convex, us, Tithonian, Tunis; Gauthier (98) p. 17: 
Oxfordian of Orleansville, Algeria; Repelin (270) p. 51. — M. trans- 
versus ; Kilian (157) p. 679. 
AMicraster : — M. atacamensis Philippi, referred to Schizaster; Ihering 
( 136) p. 338. — M. breviporus, contrasted with M. eor-testudinarium ; 
Leonhard (187) pp. 41 & 42. — M. breviporus (v. Les/cei), Rathsbruchc, 
Liineburg; Stolley (319) p. 143. — M. brevisulcatus ; Mazzetti (225) 
p. 426. — M. cor-anguinum ; Fournier (85) pp. 159 & 160; Stolley 
( 319) pp. 147, 171, and (320) p. 272. — M. cortestudinariuni , var., 
Rathsbruche, Liineburg; Stolley (319) p. 142: fig. 401 of Zittel- 
Eastman (357) should be M. decipiens, Lower Senonian, Normandy; 
Lambert, Rev. crit. Pal. i, p. 113. — M. decipiens, from Lebanon; 
Loriol (195) p. 169. — M. gibbus-, Stolley (319) p. 171, & (350) p. 247 ; 
