EXPLANATION OF THE PLATES. 107 
PLATE XXXVII. 
FOSSILS OF THE CARBONIFEROUS ROCKS. 
MOLLUSCA.—POLYZOA. 
Fic. 1.—a, 6. Fenesrerta antiqua, Goldfuss. 
Pet. Germ., pl. xxxvi., fig. 3, Phil. Pal. Foss., pl. xii., fig. 35, a. 
Original. a. Carboniferous Slate, Mallow, Co. Cork. Mus, G. S. I. 
b. Enlarged, Carb. Limest. Dungannon, Co. Tyrone. Mus. G.S. I. 
DrvonIAN AND CARBONIFEROUS.—Lower Devonian, Lynton. Middle De- 
vonian, Ilfracombe, N. Devon; Torquay, S. Devon; Padstow, Cornwall. 
Upper Devonian, Petherwin, Baggy, and Pilton, N. Devon. Lower 
Carboniferous, Coomhola, Co. Cork, &e. Lower Limestone shale, and 
Carb. Limestone, at many localities in Ireland. 
This species is probably identical with F. flabellata, F. tenuifila, Phil. Geol. 
Yorksh. and F. plebeia M‘Coy, Carb. Foss. Irel. Expln. to sheets 187, 
&c., Geol. Surv. Irel., p. 15. 
Fic. 2.—a. 6, FenesteLLA MEMBRANACEA, Phillips, sp. 
Retepora, Phil. Geol., Yorksh., vol. ii., pl. i., fig. 1—6. 
Original. a. Reduced figure, showing root-like processes. Barrygaul, Co. 
Limerick. 6. Portion of the upper or celluliferous surface, enlarged ; 
this when removed exhibits impressions corresponding with the condition 
of the fossil named Hemitrypa Hibernica, M‘Coy. 
meee Limestone.—Common at various localities in England and 
eland. 
F. hemispherica, M‘Coy, Carb Foss. Irel., is a synonym of this species. 
Fie. 3.—a, 6. Porypora rastuosa, De Koninck, sp. 
Gorgonia, De Kon., Anim. Foss. Belg., pl. A, fig. 5. 
Polypora, M‘Coy, Ann. Natural Hist., 1848, p. 135. 
Original. a. Celluliferous surface. 6. Do. enlarged. Courtlough, Co. 
Dublin. Mus. G. 8. I. 
CARBONIFEROUS LimEestone.—Co. Wexford, Dublin, &e., Ireland. 
Fie. 4.—a, 6. Rerepora unpata, IfCoy. 
Griffiths’s Synop. Carb. Foss. Irel., pl. xxix., fig. 11. 
Original. a. Natural size. 6. Enlarged, Mallow, Co. Cork. Mus. G.S. I. 
CakBONIFEROUS LimEsTONE.—Ireland. 
