ECHINOIDEA. (IV, C.) 
Ech.in. 71 
Echinomctridce> classificatory characters discussed (p. 487), divided into 
Oligoporous genera ( Salmacince ) (p. 494) and Polyporous ( Cypho - 
somince) (p. 498); Lambert (179). 
t Echinopsis nattheimensis may be Archceodiadema ; Gregory (106) p. 319. 
f Echinospatagus : — E. collegnoi ; Almera (3) pp. 567 & 568; Kilian (157) 
pp. 753, 754, 756 : vide Toxaster. — E. cordiformis, referred to Toxaster 
returns ; Lambert in Kilian (157) p. 736. 
Echinothrix calamaris , colour; Pfeffer (267) p. 45. — E. turcarum , colour 
of spines ; Pfeffer (267) p. 45 : colour and measurements, Funafuti ; 
Whitelegge (346) p. 155. 
iEchinothuridce, affinities with Pedinidce ; Gregory (108) : compared with 
Perischoechinidce ; Tornquist (326) p. 59. 
Echinus acutus; Koehler (163) p. 473, & (164) p. 92. — E. alexandri , first 
found in Bay of Biscay, 1710 m., variations from type described; 
Koehler (163) p. 473, & (164) p. 92, figg. 4, 18, 19. — E angxdosus ; 
Whitelegge (346) p. 156. — E. elegans; Koehler (163) p. 473, & 
(164) p. 92. — E. escidentus ; Dahl (62) p. 172; +Bell (33) p. 8: 
parasitic copepod ; Scott (300) : activities of amoebocytes ; Th^el 
( 325) p. 50. — E. hungaricus Laube, specimen causing reference of E. 
dux to this species; Vinassa de Regny (334) p. 147: probably an 
Anapesus; Lambert in Review of Vinassa de Regny (334). — + E. 
lusseri , referred to Triplacidia ; Lambert (179) p. 504. — \E. lyelli ; 
Bell (33) p. 8. — E. magellanicus ; Meissner (228) p. 87. — E. micro- 
tuhcrculatus ) Maiiohisi'o (216) p. 4: plutous; Seeliger (304): irrita- 
bility of mesenchyme cells ; Driesch (75) : cleavage under compression ; 
Ziegler (354) p. 67 : movements of larva) ; Ziegler (355) p. 143 : 
mitosis; Lautenbach (183) and Hertwig (128). — E. miliaris\ IBell 
( 33) p. 8: stereom formation by special amcebocytes; ThIsel (325) 
p. 55. — t E. nortoni A. Bell, is syn. of Psammechinus spkeeroideus 
Cott. (p. 8); f E. norvegicus and f E. paucimiliaris (p. 9); Bell (33). 
—E. spheera ; Koehler (163) p. 475 & (164) p. 97. — \E. woodi and + E. 
woodivardi ; Bell (33) p. 8. 
t Enallaster: — E. delgadoi , from Lebanon; Loriol (195) p. 165. — E. 
( Toxaster ) scoticus, is nearly allied to E. granosus; Sharman & 
Newton (306) p. 254. — E. syriacus, variation from type; Loriol 
( 195) p. 164. 
Encope : — t E. chilensis , Philippi, is from Pliocene of Central America; 
Ihering (136) : is it Encope , Mellita , or Monophoral Lahille (176) 
(p. 437). — E. emarginata , specimen with only 2 genital pores (p. 435) ; 
E. grandis from C. Frio, Brasil, or is it E. emarginata convergent with 
E. grandis ? (p. 436) ; E. michelini closely related to E. emarginata , 
also to Monophora darwini (p. 434) ; Lahille (176). 
t Eocidaris, rehabilitated ; Tornquist (327) p. 772 : compared with Archceo- 
cidaris , maintained, including E. drydenensis , E. scrobiculata , and E. 
verneuilana ; Tornquist (326) p. 38. 
E. (?) acuaria , Pilton Beds, Devonshire; Whidborne (342) P. Geol. Assoc, 
xiv, p. 376, no fig., n. sp. 
t Epiaster\ — E. distinctus ; Almera (3) p. 569. — E. gibbus ; Stolley (320) 
p. 272. — E. trigonalis ; Parona & Bonarelli (258) p. 66. 
Eucchinoidca, sub-cl. defined, includes orders Regulares and Irregulares ; 
Zittel (356) p. 185 : Revised according to Duncan ; Zittel-Eastman 
( 357) p. 223. 
\ Euspatangus : — E. elongatus , E. lateralis , E. minimus , E. navicella , E. 
ornatus; Botto-Micca (41) pp. 367 & 368. 
E. cairensis , Eocene, Ouadi-el-Tih, nr. Cairo, incl. E. formosus Loriol, pars ; 
Loriol (196) Mem. Soc. Geneve, xxxii, p. 4, pi. i, n. sp. 
Evechinus rarituberculatus Bell, is syn. of E. chloroticus , specimen measured, 
spicules of tube- feet figd. ; Farquhar (83) p. 188. 
