GYMNOMYXA. 
Prot. 19 
t Ellipsostylus alcedo, p. 17, pi. v, fig. 9, Cretaceous, Cittiglio, Rust, 
Palseontogr. xlv, n. sp. 
t Ellipsostigma, n. g. defined for australe , Devonian, X. S. Wales, p. 51, 
pi. ix, fig. 5, Hinde, Quart. J. Geol. Soc. lv, n. sp. 
f Ellipsoxiphus oligoporus , p. 228' pi. xvii, fig. 44, Tithonian, Carpena, 
Vinassa de Regny, Palseontogr. ital. iv, n. form, 
t E. biconstnctus, p. 16, pi. v, fig. 8, botaurus, p. 16, pi. v, fig. 11, asper , 
p. 17, pi. v, fig. 10, Cretaceous, Cittiglio, Rust, Palseontogr. xlv, 
n. spp. 
t Ethmosphccra incequalis , Coprolites, Ilsede, p. 5, pi. i, fig. 2, Rust, t. c. 
n. sp. 
kEuchitonia circularise p. 28, pi. ix, fig. 7, dispar, p. 29, pi. ix, fig. 6, 
Cretaceous, Cittiglio, Rust, t. c. n. spp. 
t Eucyrtidium ventricosum, Liassic, Ilsede, p. 59, pi. xvii, fig. 4, seria, 
Cretaceous, Cittiglio, p. 60, pi. xvii, fig. 3, Rust, t. c. n. spp. 
t Eusyringium typicum, p. 60, pi. xvii, fig. 7, affine, p. 60, pi. xvii, fig. 8, 
macroporum, p. 60, pi. xvii, fig. 5, Cretaceous, Cittiglio, Rust, t. c. 
n. spp. 
t Hagiastrum aculeatum, p. 231, pi. xviii, fig. 6, Tithonian, Carpena, 
Vinassa de Regny, Palseontogr. ital. iv, n. form. 
+//. bixiphus, pi. x, fig. 2, subulatum, pi. x, fig. 3, sagittatum, pi. x, fig. 4, 
biforme, Xeocomian of Gardenazza, pi. x, fig. 5, p. 30, Rust, Palseontogr. 
xlv, n. spp. 
t Haliomma stromeyeri, pi. iv, fig. 9, paucispinum, pi. iv, fig. 10, intrama- 
millosum, pi. iv, fig. 11, serratum, pi. iv, fig. 12, giganteum , pi. v, fig. 1, 
p. 14, Rust, t. c. n. spp. 
iHeliosestrum nigrum, Devonian, X. S. Wales, p. 54, pi. ix, fig. 13, Hinde, 
Quart. J. Geol. Soc. lv, n. sp. 
kHeliosoma echinatum, p. 50, pi. ix, figg. 1 & 2, paronce, p. 50, pi. ix, fig. 3, 
Devonian, X. S. Wales, Hinde, t. c. n. spp. 
t Heliosphcera exiguispina, p. 12, pi. iii, fig. 11, mamillaria, p. 12, pi. iv, 
fig. 2, minuta, p. 13, pi. iv, fig. 3, Cretaceous, Cittiglio, Rust, Palseontogr. 
xlv. t H. robusta, p. 49, pi. viii, fig. 25, tamworthi, p. 49, pi. viii, 
fig. 26, fenestrata, p. 49, pi. viii, fig. 27, clavata, p. 50, pi. viii, fig. 28, 
Devonian, X. S. Wales, Hinde, Quart. J. Geol. Soc. lv, n. spp. 
t Hexoxontium clavigerum, Cretaceous, Cittiglio, p. 11, pi. iii, fig. 6, Rust, 
Palseontogr. xlv, n. spp. 
kHeoialonche serratacantha, Cretaceous, Cittiglio, p. 11, pi. iii, fig. 5, Rust, 
t. c. n. sp. 
t Hexastylarium dunikovjskyi, p. 227, pi. xvii, fig. 37, Tithonian, Carpena, 
Vinassa de Regny, Palseontogr. ital. iv, n. form, 
f Hexastylus crassispina, p. 226, pi. xvii, fig. 36, Tithonian, Carpena, 
Vinassa de Regny, t. c. n. form. 
t H. uvarius, p. 10, pi. ii, fig. 6, aculeatus, p. 10, pi. iii, fig. 2, pacliystylus, 
p. 11, pi. iii, fig. 3, clathrospinus, p. 11, pi. iii, fig. 4, Cretaceous, 
Cittiglio, Rust, Palseontogr. xlv, n. spp. 
f Histiastrum elizabethce, p. 30, pi. x, fig. 8; involutum , p. 31, pi. x, fig. 7, 
fornicatum, p. 31, pi. x, fig. 6, Rust, t. c. n. spp. 
t Hymeniastrum ancora, p. 27, pi. ix, fig. 1 , denudatum , p. 27, pi. ix, fig. 2, 
ungula, p. 28, pi. ix, fig. 3, alatum , p. 28, pi. ix, fig. 4, Rust, t. c. 
n. spp. 
t Liosphcera sp. % Devonian, X. S. Wales, p. 44, pi. viii, fig. 4, Hinde, 
Quart. J. Geol. Soc. lv. 
t L. media, p. 221, pi. xvii, fig. 10, Tithonian, Carpena, Vinassa de Regny, 
Palseontogr. ital. iv, n. form. 
t Lithapium spinosum, p. 17, pi. v, fig. 13, pruniforme, p. 17, pi. v, fig. 14, 
aculeatum, p. 18, pi. vi, fig. 1, Cretaceous, Cittiglio, Rust, Palseontogr. 
xlv, n. spp. 
