NIAGARA GROUP. 
127 
517. 1. CATENIPORA ESCHAROIDES. 
Pl. XXXV. Fig. la, b, c. 
Millepora. Fougt, 1745. 
Millepora tubis ovatis longitudinaliter reticulatim concatenatis. Linne, Amcen. Academic®, t. 
i, p. 208, f. 20, 1749. 
Tubipora catenulata. Gmelin : Linne, p. 8753. 
Tubularia catenulata. Knorr, Recueil, t. 2, pp. 16, 57, 58; tab. F. ix, F. ix*, f. 4, t. 3, p. 
158; supp. tab. vi a, f. 1, 1775. 
Tubularia catenulata. Wallerius, Min. Uebersetz, p 439. 
T. gothlandica. Bromel, Nr. 10, 11. 
Millepora catenularia. Esper, Petrefacta, tab. v, f. 1, 1795. 
Chain Coral ( Tubipora catenulata, Linn.), Parkinson, Organic Remains,. Vol. ii, pag. 20, pl. 
iii, fig. 4, 5, 6, 1808 ; 2d edition, 1833, pl. iii (18) of Vol. i, figs. 
4, 5, 6. 
Catenipora escharoides. Lamarck, Anim. sans vertebres, 1st edition, t. 2, p. 207, 1816. 
— — Lamoroux, Expos, methodique, p. 65, 1821 ; C. tubulosa, ib. id. note. 
— — Schweigger, Beobachtungen, tab. vii, 1819. 
— — Say, Am. Jour. Science, Vol. ii,. p. 34, 1819. 
— — Goldfuss, Petrefacta, p. 74, t. xxv, f. 4 a - c, 1826. 
— — Steininger, Mem. Geol. de France, t. 1, p. 341, 1831. 
— — Ehrenberg, Abhandlungen, 1831. 
— — Konig, Akad. Berlin, p. 344, 1832. 
— — De Blainviele, Man. d’Actinologie, pag. 352, pl. 62, f. 1, 1834. 
— — Milne Edwards, 2d edition of Lamarck, t. 2, p. 322, 1836. 
— Hisinger, Lethea Suecica, p. 94, t. xxvi, f. 9, 1837. 
— — Lonsdale : Murchison, Sil. System, pag. 685, pl. 15 bis, fig. 14, 
14 a, 14 b. 
— — Hall, Geol. Rep. 4th Dist. N. York : Tables of organic remains, no. 
22, fig. 1, 1843. 
Jhbiporites catenarius. Schlotheim, Petrefacta, p. 366, 1820. 
Halysites. Fisher, Oryct. de Moscou, 1830. 
Halysites escharoides. Bronn, Lethea geognostica, p. 52, 1835. 
Coral in hemispheric masses, composed of oval tubes placed laterally in juxtaposition in a 
single series, or separated by a cellular interspace ; lines of tubes arranged in reticulated form, 
with unequal interspaces. Tubes within, septate transversely and striated longitudinally, ex¬ 
ternally transversely striated, and sometimes with more elevated ridges at equal intervals. 
This coral is so well known by its peculiar net-like structure, that a description seems 
scarcely necessary. It presents considerable variety, however, in the mode of its reticulation 
and the size of the spaces. The openings of the tubes upon the surface are oval, though often 
varying in size ; and the whole expansion is frequently very thin and slender, and in other 
cases thick and strong. 
The greater number of specimens found in New-York are siliceous, the interior structure is 
not well preserved ; and the transverse septa seen only at irregular intervals. The striae noticed 
in the interior of the tube are distinct crenulated ridges like the bases of lamellae, and give to 
the well preserved tubes a very characteristic feature. 
