30 Echin. 
V. Echinoderma. [ 1909 ] 
Arachnoides 'placenta, Benham 25 
p. no. 
Arceosoma; pp. 174-176, thetidis p. 
176 pi. 66 figs. 6-17 & pis. 68-70, bicolor 
p. 179 pi. 64 figs. 1-8 & pis. 71 & 72, 
pellucidum p. 181, eurypatum sp.n, near 
Galapagos Islands 67 J fins. p. 181 pi. 66 
figs. 18-19 & pis. 73-75, leptaleum sp. n. 
off Mariato Point Panama 581 fms. p. 
183 pis. 76-77, hystrix, pyrochloa, p. 
186 pi. 66 figs. 1-4 & pis. 78-80, belli 
p. 188 pi. 66 f. 5, violuceum, coriaceum, 
tessellatum p. 190, fenestratum p. 190 
pi. 66 fig. 20, gracile p. 191 pi. 
81 figs. 3 & 4 & pi. 82 figs. 5-8, owstoni 
p. 192 pi. 81 figs. 1, 2, 5 & 6 & pi. 82 
figs. 1-4, Agassiz & Clark 3. 
Arbacia aequituberculata quadriradial, 
Verrill 298 p. 546 fig. 
■ \A . depresea to Arbacina, Checchia- 
Rispoli 40 p. 208. 
f Arbacina catenata, Savin 245 p. 129 
pi. — A. depressa, Checchia-Rispoli 40 
p. 208 pi. — A. piae, ? incl. sassarensis, 
Lambert 172 p. 32. 
"fArchaeocidaris cf. biangulata, Ri- 
chardson 235 p. 481. — A. sp. Isle of 
Man, Hind 140 p. 144. — A. subtilis sp. n. 
Elberfelder Devon, Schmidt 250 p. 59. 
— A. wortheni , Stevenson 272 p. 165. 
f Archaeodiadema ; probably syn. of 
Hemipedina, Bather 19 p. 104. 
IfArchaeopneustes ; syn. of Hetero- 
brissus Stefanini 267 p. 91. 
f Asterostoma cubense made genotype 
of Antillaster, Lambert 175 p. 103. 
Asthenosoma thetidis sp. n. off Botany. 
Bay N.S.W. 80 fms., Clark 71 p. 134. 
— A. varium, urens, heteractis, p. 172, 
ijimai p. 173 pi. 62 f. 1 & pi. 63 f. 2, 
Agassiz and Clark 3. 
t Astrodaspis antiselli arnoldi var. n. 
California Tertiaiy, Pack 217 p. 279 
pi. xxiv figs. 1 & 2. 
Astrodapsis fernandoensis sp. n. Califor- 
nia Fernando formation, Pack 217 p.279 
pi. xxiv figs. 3 & 4. 
■\ Astrodaspis whitneyi, Eldridge and 
Arnold 102 p. 26. 
■\Astrolampas ; Savin 245 p. 119. 
■\Bothriopygus schweinfurthi sp. n. 
Cretaceous Egypt, Fourtau 114 p. 104 
pi. vi figs. 10-14. — B. sueuri to Pygor - 
hynchus, Savin 245 p. 120. 
\Breynella equizonata to Echinolampas, 
Stefanini 266 p. 450. 
\Breynia australasiae, carinata, B. 
multituberculata sp. n. Nari formation 
Sind, Vredenburg 302 pi.— B. multi- 
tuber culata, Holland 144 p. 17. 
^Briasoma ; subgon. of Brissopsis, 
genotype Duciei, p. 94, Duciei, latipeta- 
lum var. of saheliense, saheliense, 
p. 95 pi. 1, Lambert 175 
t Brissopsis ; Stefanini 268 p. 8. — 
t B. ; subgenera are Plesiaster, Diplo- 
detus, Brissoma, Brissopsis s. str. & 
Kleinia, p. 93, B. s. str. incl. Toxo- 
brissus genotype is elegans, p. 94, B. 
consobrinus sp. n. Miocene Sardaigne, 
p. 98 pis .,crescenticus p. 96 Lambert 175 
B. destefanii sp. n. Eocene Istria, 
Toniolo 286 p. 265 pi. — B. lorioli, 
Fourtau 114 p. 145. — B. lusitanica , 
Stefanini 268 p. 8.—B. lyrifera, 
Checchia-Rispoli 40 p. 220 pi.— 
B. pouyannei, Lambert 175 p. 95. 
f B. sardicus sp. n. Oligocdne et Mio- 
cene Sardaigne, Lambert 175 p. 97 pi. 
B. cf. sismondai, Stefanini 268 p. 10. 
— B. tatei sp. n. ? Eocene Australia, 
Hall 133 p. 49 pi. 
■fBrissus cylindricus dist. from oblon- 
gus, B. imbricatua prob. a Macro- 
pneustes, B. oblongus pi., Lambert 175 
pp. 100 & 101. — B. unicolor, Checchia- 
Rispoli 40 p. 218 pi. — B. sp., Ste- 
fanini 268 p. 6. 
•\Cardiaster italicua, Darestb de la 
Cuavanne 86 p. 667. — G. maximus, 
Nowak 211 p. 979 pi. xlix fig. 1. — G. 
pillula, Elsden 103 p. 447; — G. sub- 
trig onatus, Dareste de la Chavanne 
86 p. 667. 
■\Cassidulus sp.. Eocene Minieh, 
Fourtau 116 p. 133. — O. doncieuxi 
sp. n. Eocene Ste-Croix, Lambert 171 
p. 369 pi. — G. ferganensis sp. n., Kreide 
von Ferghana Faas 106 pp. 5-9, 
18-19 pi. i f. 10-13. — G. ovalis incl. 
Clitopygus leymeriei Lamb., Lambert 
171 p. 369. 
■\Centrostephanu8 ; maintained, geno- 
type is longispinus, p. 27, G. airaghii 
sp. n. Miocene Cagliari p. 29 pi., G. 
calarensis, p. 28 pi., Lambert 172. 
Chaetodiadema tuberculatum sp. n. 
N.S. Wales, Clark 70 p. 554 fig. 
