42 Ddiin. 
V. Echinoderma. 
[1912] 
' \Gualtieria orbignyi, Lambert T.c. 
p. 105 pi. iii figs. 4 & 5. 
Gymnechinus p. 286, G. pulchellus , G. 
robillardi, G. versicolor p. 287, Clark, 
H. L. Mem. Mus. Comp. Zoo\. 34. — G. 
pulchellus , robillardi, Jaokson Phytogeny 
of Echini. 
G. epistichus p. 289 pis., Philippine Is., 
Q. megaloplax p. 287 pi., Persian gulf, 
spp. n., Clark, H. L. Mem. Mus. Comp. 
Zool. 34. — G. gravieri sp. n. [noin. nud .], 
Somaliland, Koehler in Grayier Bui. 
Museum Paris 1911 p. 424. 
Habrocidaris scy.ta.ta , Jaokson Phy- 
togeny of Echini. 
]Herbertia p. 60, j/Z. gacheti p. 65 pi. i 
figs. 5-6, 8-9 Lambert Bordeaux Act^s 
soc. linn. 66. 
Heliocidaris p. 350, II. crassispina , 
II. erythrogramma, H. tuberculata p. 351, 
Clark, H. L. Mem. Mus. Comp. Zool. 34. 
B. stenopora nom. n. for Toxocidaris 
mexicana A. Agassiz., Ceark, H. L. T.c. 
p. 351 pis. 
Ifllemiaater artini p. 169, fZL fourueli 
p. 168, -\U. pseudofoumeli p. 168 pi. iii 
fig. 5, Eourtau Bull. Inst. Egypt. 5. — 
■\B. cf. gabrielis p. 62, 1[H. sau\cyanus 
p. 62 pi. xiv fig. 6, 1[H. sp. p. 62, 
Fourtau M&n. Inst. Egypt. 7. 
|fif. aly, Turonien, p. 166 pi. iii fig. 2, 
f fiT. humei, Turonien, p. 167 pi. iii figs. 
3 & 4, fZZ. toxasteristoma , Cenomanien, 
p. 169 pi. iy fig. 1 spp. n. Egypte, 
Fourtau Bull. Inst. Egypt. 5. — f D.nodu - 
losu8 sp. n. Cenomanien, Lahfed, ^yrie, 
Fourtau M<$m. Inst. Egypt. 7 p. 60 pi. 
xiv figs. 4 & 5. 
| Hemicidaridae diagnosed, Jackson 
Phytogeny of Echini p. 202. 
f Hemicidaris cartieri , crenularis, 
hojfl'manni , intermedia, langrunensis, 
luciensis, Jackson T.c. 
t llemidiadema stramonium, Jackson 
T.c. 
H eterocentrotus p. 377, II. mammil- 
latus p. 378 pis., 11. trigonarius p. 379 
pis., Clark, H. L. Mem. Mus. Comp. 
Zool. 34. — 11. mammillatus, trigonarius, 
Jaokson Phytogeny of Echini. 
\Heterocidaris, "\H. keokuk, fff. laevi- 
qpim, Hall ; (nomina nuda) generic 
name preoccupied, f H . laevispina pro- 
bably syn. of ^Pholidoeidaris irregularis 
Meek & Worthen, Jackson Tc. p. 456. 
\Heterodiadema libycurn, Fourtau 
Bull. Inst. Egypt. 5 p. 143. 
' \lleterospataegus [sic] lefebvrei var. 
chair ensis var. n., Eocene iuferieure, 
Egypte, Fourtau T.c. p. 175 pi. iv 
fig. 5. 
fHolectypinp, diagnosed, Jackson 
Phytogeny of Echini p. 2Q4. 
t Holectypinae, subfam. of Discoidiidae, 
containing Holectypus, Coptodiscus and 
Lanieria, Hawkins Proc. Zool. Soc. 
p. 450. 
Holectypoidu re-defined, contains tjirae 
families, Pijgasteridac , Discoidiidae, 
Conulidqe, Hawkins T.c. p. 447. 
f Holectypus subdivided into Holec- 
typus s. str., and Coenholectypus q. v., 
Hawkins Geol. Mag. 9 p. 13. — iHolecty- 
pus I)esor, re-diagnosed, with subgeuera, 
Holectypus sens, str., and Coenholecty- 
pus ; f //. depressus is type of Holectypus 
sens, str., Hawkins Proc. Zool. Soc. 
p. 450. — f 11. crassus p. 160, f H. serialis 
p. 161, f H.turonensis p. 162, Fourtau 
Bull. Inst. Egypt. 6. — f/L cenomancnsis, 
p. 47, f II. portentosus p. 46 pi. xii fig. 6, 
Fourtau Mem. Inst. Egypt. 7. — |Z7. 
depi'essus p. 13 pi. ii fig. 5, t H. hemi- 
sphaericus p. 13, Hawkins Geol. Mag. 9. — 
f/Z. hemisphericus, Jaokson Phytogeny 
of Echini. — \11. giganteus, Rollieb Abh. 
Schweiz. Pal. Ges. 37 p. 7 pi. ii figs. 
6 - 8 . 
*1*//. c enomanensh var. bairensis 
var. n. p. 159 pi. ii fig. 4, |H. dowsoni 
ap. n. Cenomanien superieur, Egypte, 
p. 160 pi. ii fig. 5, Fourtau Bull. Inst. 
Egypt 5. 
Holopneustes p. 332, II. inflatus, 11. 
porosi8simus p. 334, Clark, H. L. Mem. 
Mus. Comp. Zool. 34. — 11. purpurescens, 
Jackson Phytogeny of Echini. 
H. pycnotylus sp. n., N. S. Wales, 
Clark, H. L. Mem. Mus. Comp. Zool. 34 
p. 334 pis. 
\llyattechinus gen. n. of Lepidocen- 
tridae pp. 206 291, genotype |/Z. 
beecheri p. 297 pi. xxiv figs. 5-8 pi. 
xxv fig. 5 pi. xx vi, fZZ. pentagonus p. 
295 pi. xix fig. 8 pi. xxiv figs. 1-4 pi. 
xxv figs. 1-4, spp. n., Waverley group, 
Pennsylvania, f B. rarispinus (Hull] 
