104 1 EXPLANATION OF THE PLATES. 
PLATE XXXVI. 
FOSSILS OF THE CARBONIFEROUS ROCKS. 
ECHINODERMATA—BLASTOIDEA. 
Fie. 1.—a, 6, c. Penrremites Dersrensis, Sowerby. 
Zool. Journ., vol. ii., p. 317, pl. xi., fig. 3. Geol., Yorksh., vol. ii., pl. iii., 
fig. 10. 
Original. a. Side view. b. The same enlarged. ec. Enlarged, showing ar- 
rangement of ambulacra, oral, anal, and ovarian apertures, Carb. 
Limest. Ben Naughlin, near Florence Court, Co. Fermanagh. 
Carpontrerous Limestone. —Grassington, Derbyshire ; Co. Fermanagh, 
Ireland. 
Fic. 2.—Prnrremires INFLATUS, Sowerby. 
Zool. Journ., vol. iii., p. 89. Sup. pl. xxxiii., fig. 2. Geol. Yorksh., vol. ii., 
Pleat, figs. 1—3. 
Original. ‘Side view, reduced to half natural size, Carb. Limest., lower. 
Raheny, Co. Dublin. 
CaRBONIFEROUS LimMESTONE.—Bolland, Yorkshire; Co. Dublin, Ireland. 
CRINOIDEA. 
Fie. 3.—Prarycrinus tavis, Jliller. 
Crinoidea, p. 74, pl. i., (25). Austin, Crinoidea, p. 8, pl. i. fig. 1. 
De Koninck, Anim. Foss. Carb., pl. F., fig. 1. 
Original. Side view of Head, Arms, and Column. Carb. Limest. shale 
(lower) Hook Head, Co. Wexford. 
CARBONIFEROUS Limestonr.—Bolland, Bristol, Frome. Lower Limestone 
‘shale. Several localities in Ireland; “more abundant in the lower and 
middle beds of the Carb. Limest. than the upper.” Austin, Crinoidea, 
p. 9. 
Fie. 4.—Prarycrtnus coronatus, Goldfuss. 
Nov. Act. Acad., vol. xix., pl. xxxi., fig. 8. P. mucronatus, Aust. Crin., 
pi 22, -pl, ay fig. 2s oP. coronatus, Goldf. Morris’ Cat. Brit. Foss. 
(1854), p. 86. 
Original. Side view of Head with proboscis. Carb. Limest., Knockacoller,, 
near Mountrath, Queen’s Co. 
C ARBONIFEROUS LIMESTONE .—Bolland, Bristol, Mendip hills; Co. Limerick, 
and Queen’s Co., Ireland. 
