EXPLANATION OF THE PLATES, 
Gr 
dw) 
PUATE XVI. 
FOSSILS OF THE WENLOCK ROCKS. 
ECHINODERMATA.—CORINOIDEA. 
Fig. 1.—Cyarnocrints conropactyivs, Phillips. 
From Silurian System, pl. xvii., fig. 1. A nearly perfect crinoid from Wen- 
lock limestone, Dudley. 
Wenlock,—Sil., 4th ed., p. 512. 
Fig. 2. TAXOCRINUS TUBERCULATUS, Miller, sp. 
Silurian System, pl. xviii, figs. 6, 7. 
Original. From a specimen in Museum Geol. Survey of Ireland; Zocality— 
Wren’s Nest, Dudley. Presented by 8S. Alport, Esq., of Birmingham. 
Wenlock.—Siluria, 4th ed., p. 513. 
Fig. 3. IcHTHYOCRINUS PYRIFORMIS, Phillips, sp. 
From Silurian System, pl. xvii., fig. 6. 
Wenlock.—Siluria, 4th ed., p. 512. Localities—Dudley, Kendal. Cat. of 
Brit. Foss., p. 83. 
Fic. 4. a, b. PERIECHOCRINUS MONILIFORMIS, Miller, sp. 
’ > SI} 
a. Reduced to two-thirds of natural size; from Sil. Syst., pl. xviii., fig. 4. 
b. Portion of column, or stem ; natural size; from same figure. 
Llandovery and Wenlock.—Sil., 4th ed., p. 513. Upper Silurian, Dudley, 
Staffordshire. Cat. of Brit. Foss., p. 86. 
Fig. 5.—a, 6. CROTALOCRINUS RUGOSUS, Miller, sp. 
a. From Silurian System, pl. xviii., fig. 1. ‘* Pelvic’’ plates. 
Notr.—See more perfect figures explanatory of this species in Siluria, 
4th ed., woodcut 56, figs 4-7. 
b. Original. ‘ Root” or base of column; showing tubular processes of at- 
tachment; from specimen in Mus. Geol. Survey of Ireland ; Wenlock 
limestone, Wenlock edge. 
Wenlock.—Sil., 4thed., p. 512. Locality—Dudley, Staffordshire. Cat. Brit. 
Foss., p. 75, 
