80 Echin. 
XIV. ECHINODERMA. 
t Isechinus n. g. of Echininae THplechinae , with genotype Toxopneustes 
praecursor Ortmann ; Lambert (177) p. 476. I. praecursor ; Tour- 
nouer (310) pp. 466, 471 : peristome and ambulacral area descr. ; 
Lambert (177) p. 477. 
t Isomicraster, incl. Micraster meunieri , M. brevis , M. senonensis , M. stolleyi , 
and Epiaster renati , but is a simple section not a valid genus (p. 78), 
1. stolleyi , discussed (p. 77) ; Lambert (174). 
A Isopneustes lamberti n. sp., Senonian near Padua ; Airaghi (3) p. 329, pi. i. 
iJeronia referred to Oeropidae [sic passim, = A eropidae\ diagnosis modi- 
fied as regards apex ; Lambert (176) p. 46. 
Kamptosoma n. g. of Echinothuridae , with genotype Phormosoma asterias ; 
Mortensen (229) p. 65 : diagnosed ; Meissner in Hamann (125) 
p. 1355. K. asterias , incl. “ Phormosoma tenue V ’ A. Ag. ; Mortensen 
( 229) p. 177. 
Laganum decagonale ; Doederlein (62) p. 688 : +Tokunaga (306) p. 8. 
L. depressum ; Bell (11) p. 247 : tvar. sinaiticum ; Fourtau (89). 
\L. fudsiyama ; Tokunaga (306) p. 11. 
t Lampadaster : — L. gauthieri ; Lambert (174) p. 75 : Lemoine (186). L. 
grandidieri ; 1. c. 
t Lampadocorys sulcatus } descr. ; Airaghi (3) p. 322, pi. ii. 
Leiocidaris Desor, syn. of Phyllacanthus (q. v.) ; Lambert in Savin (283) 
p. 224: ditto; Mortensen (229) pp. 18, 30: s.-g. of Cidaris q. v. ; 
Doederlein (62). +Z. sp. indet. ; Lapparent (181). L. baculosa ; 
Bell (11) p. 246. + Lejocydaris [sic] histnx ; de Giorgi (47) pp. 193, 
199. L. pistillaris, geographical varr. ; Doederlein (61) p. 423. L. 
verticillata ; Bell (11) p. 246. 
f Leiopedina tallavignesi , descr. ; Checchia (30) p. 105, pi. v. 
t Lenita patellaris ; Fritel (96a) p. 63, text-fig. 
Linopneustes excentricus n. sp., Malay Archipelago 694-1788 m. ; DE 
Meijere (53) p. 13. 
t Linthia : — L. cf. ducrocqui ; Lapparent (181). L. gaudryii\ Tournouer 
( 310) p. 466 : “Tournouer et Lamb.”, apparently n. sp., Patagonian of 
Casa Mayor ; Lambert (177) p. 481, pi. xv. L. (?) joannis boehmi 
n. sp. Eocene of Bio Negro, with type Burckhardt (50, Zool. Rec. 
1901), pi. i, ff. 1-8 ; Oppenheim in Boehm (17). L. nipponica ; Anon 
( 6) : redescr., now first figd. ; Tokunaga (306) p. 18, pis. i, iii : pro- 
bably contains more than one sp. ; Lambert in RevieV. L. roachensis 
(Gauth. sub Periaster ) ; Dacqu£ (42) pp. 353, 357. 
Lissodiadema n. g. of Diadematidae allied to Echinothrix , with genotype 
L. lorioli n. sp., Amboina, holotype in Geneva Mus., previously con- 
sidered by de Loriol as young Asthenosoma varium , redescr. ; 
Mortensen (230) see also (229) p. 50. 
;■ Lobophora truncata , vide Echinodiscus bisperforatus. 
, Lovenia elongata ; Bell (11) p. 248. +Z. forbesi ; Dennant & Clark 
(55) p. 23. 
Loxechinus Desor, re-established with genotype Echinus albus and com- 
prising Strongylocentrotus gibbosus and bullatus (p. 123), diagnosis as 
member of Parechininae (p. 134) ; Mortensen (229). 
Lytechinus , v. sub Psammechinus. 
iMacropneustes : — M. beaumonti recorded from Scaglia by d’Orbigny, not 
determinable (p. 317), M. gibbus from Apennines (p. 328), M. pellati, 
descr. (p. 422, pi. xi) ; Airaghi (2). 
iMagnosia , diagnosis (p. 154), M. nodulosa (p. 155), M. pilleti (p. 155) ; 
Savin (283). 
Maretia : — \M. fuchsi , vide Sarsella. f M. marianii n. sp., Eocene of 
Tirol, Airaghi (2) p. 423, pi. xi. M. planulata ; Bell (11) p. 248. 
tM. zeisei n. sp., Mid. Miocene, Holstein, cotypes at Geol. Landesanst. 
Berlin and Liibeck Mus. ; Gagel (97) p. 541, pis. xxiv, xxv. 
