690 



SILURIAN CORALS. 



outline the var. 8 e strongly resembles the Cyathophyllum helianthoide of Goldfuss, but it differs 

 in the rays being narrow not broad, and in the bladder-like or rugose surface, which is not al- 

 luded to by that author, or represented in his figures. 



Formation and localities in England. Wen lock Limestone, Wenlock, Dudley. 



Foreign locality. Shores of the Baltic, Fougt. 

 Cyathophyllum, Goldfuss. 



Only those turbinated corals, which present a central structure resembling the chambers of a 



Nautilus, have been placed in the genus. 

 Cyathophyllum turbinatum (Goldfuss), PI. 16. f. 11, 11a reduced one- third. Fig. 11 a is from a 



specimen in Mr. Goodhall's collection. 



Syn. and Ref. Madrepora turhinata, Fougt, 1745, Linn. Amcen. Acad. 1. 1. p. 190, f. 2, 3, 7« 

 1749 5 Esper. Petrificat. Tab. 2. f. 1-4. 1791—1797 ; Parkinson, Org. Rem. vol. 2. p. 25-27. 

 PI. IV. f. 1-3. 1808. 



Caryophylloide simple, Guettard, Mem., tome iii. p. 453, 454. PI. XXII. f. 7> 11. 1 770- 

 Hippurites, Knorr, t. ii. part 2. p. 58. Tab. XX. 1775. 



Turbinolia turhinata, Lamarck, Anim. sans Vert. 1st Edit. t. ii. p. 231. 1816; Schweigger 

 Beobach. Tab. VI. 1819; Lamouroux, Expos. Method iq. p. 51. 1821; De France, Die. des 

 Sc. Nat., t. 56. p. 91. 1828; Steininger, 1831, Mem. Soc. Geol. France, t. 1. p. 344. 1831 ; 

 Hisinger, Lethaea Suecica, p. 100. Tab. XXVIII. f. 6, 7, 8. 1837- 

 Hippurites turhinatus, Schlotheim, Petref., p. 351. 1820. 



Cyathophyllum turbinatum, Goldfuss, Petref. p. 56. Taf. XVI. f. 8. 1826; Milne Edwards, 

 2nd Edit. Lamarck, t. 2. p. 428. (remark to C.ceratites) 1836; Hisinger, Lethaea Suecica, p. 102. 

 Tab. XXIX. f.l. 1837. 



Caryophyllia turhinata, Alex. Brongniart. Tableau des Terr. p. 431. 1829. 



Formations and localities in England. Wen look Limestone, Wenloch, Lincoln Hill, Coal- 

 brook Dale, Kinsham, 5 miles west of Aymestry, Ledbury, and West jlank of Malvern 

 Hills, Dudley, Valley of Woolhope j Wenlock Shale and Upper beds of Caradoc, 

 Prolimoor Well. 



Foreign localities and authorities. Gothland, Fougt, Knorr, Hisinger, Alex. Brongniart; 

 Eifel, Schlotheim, Steininger, Milne Edwards, Goldfuss, Alex. Brongniart; Bensberg, 

 Goldfuss ; Alleberg in Westgothia, Hisinger ; Michelle, Liege, Dumont. 

 Cyathophyllum angustum, sp. n., Lons. PI. 16. f. 9 nat. size. 



C. conical, centre narrow, the plates close together and irregular; vesicular side-structure 



very broad in proportion to the centre, cells small and nearly regular in size. 



The section represented in PI. 9, f. 16 is not parallel throughout to the axis of the coral, 



only the lower part showing the true centre. 



Formation and locality. Caradoc Sandstone, (upper calcareous beds of,) Coal-moors, 

 Lie key. 



Cyathophyllum ccespitosum (Goldfuss), PI. 16. f. 10 reduced one-third. 



Ref. Goldfuss Petref. p. 60. Taf. XX. f. 2. 1826. The figures referred to in Guettard (Mem. 

 Tab. 34, 36 and 37.) appear to be doubtful. 



Formation and locality in England. Wenlock Limestone, Wenlock. 



Foreign localities and authorities. Eifel and Bensberg, Goldfuss; Chokier Seilles, Prov. de 

 Liege, Dumont. 



Cyathophyllum dianthus, Goldfuss, PI. 16. f. 12, 12 a to 12 e nat. size; — in the upper part off. 12 



