CORALS FROM THE DEVONIAN FORMATION. 235 
7. Genus CHONOPHYLLUM, (p. xix). 
CHONOPHYLLUM PERFOLIATUM. ‘Tab. L, fig. 5. 
CYATHOPHYLLUM PLICATUM, Goldfuss, Petref. Germ., vol. i, p. 59, tab. xviii, fig. 5, 1826. 
(Not tab. xv, fig. 12.) 
— — Milne Edwards, 2d edit. of Lamarck, vol. ii, p. 431, 1836. 
_ PERFOLIATUM, Goldfuss, MSS. in Bonn Museum. 
CHONOPHYLLUM PERFOLIATUM, Milne Edwards and Jules Haime, Pol. Foss. des Terr. Palzeoz., 
p. 405, 1851. 
Corallum simple, straight, rather elongate. Ca/ice not remarkably deep, and of a 
subconical form. Septa (60 to 74) equally developed, straight, and extending almost to 
the centre of the corallum. Some vestiges of a rudimentary septal fossula are visible. 
Height about 3 inches, diameter about 2 inches. 
Found at Torquay. (Collection of Dr. Battersby.) 
A fossil found at Wenlock, and belonging to the collection of M. D’Archiac, appears 
to belong also to this species. 
C. perfoliatum differs from C. elongatum* by its general form being broader and less 
elongate, and by its tabule being less infundibuliform. 
8. Genus HeLiopHyLuuM, (p. xix.) 
HeLiopHyttvum Hawi. Tab. LI, fig. 3. 
STROMBODES HELIANTHOIDES, Phillips, Fig. and Deser. of Paleeoz, Foss., p. 10, pl. vy, 
fig. 13a, 1841. (Not Cyathophyllum helianthoides, 
Goldfuss.) 
— — Hall, Geol. of New York, 4th part, p. 209, No. 48, fig. 3, 
1843. 
CYATHOPHYLLUM TURBINATUM, Idid., No. 49, fig. 1. (Not Goldfuss.) 
— — Castlenau, Ter. sil. de ?Amer. du Nord., pl. xvi, fig. 5, 1843. 
HeLiopHytiuM Hair, Milne Edwards and Jules Haime, Brit. Foss. Corals, Introd., p. lxix, 
1850. 
— _ Milne Edwards and Jules Haime, Pol. Foss. des Terr. Palzeoz., 
p- 408, pl. vii, fig. 6, 1851. 
Corallum simple, turbinate, or cylindro-conical, usually elongate, and slightly curved at 
its base, provided with an epitheca, and presenting slight circular swellings.  Ca/ice 
1 Milne Edwards and Jules Haime, Polyp. Foss. des Terr. Palzoz., p. 406, pl. viii, fig. 1, 1851. 
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