94 EXPLANATION OF THE PLATES. 
Original. View of left valve. showing anterior adductor muscular impres- 
sion. Upper O. R. S, Kiltorean. Mus. G. §. I. 
Urrrr Otp Rep Sanpstone.—Kiltorean, Co. Kilkenny; Tivoli, and 
Gokane, Co. Cork. 
GASTEROPODA. 
Fic. 6.—MURCHISONIA BIGRANULOSA, D’ Archiac. 
Geol. Trans., 2nd series, vol. vi., pl. xxxii., fig. 10. 
M. bdilineata, Phil. Pal. Foss., pl. xxxix., fig. 191. 
Original. Middle Devonian, Plymouth. Mus. G. S. I. 
MrippLe Devontan.—Torquay group. 
Fic. 7.—Evo0MPHALUS ANNULATUS, Phillips. 
From Paleozoic Fossils, pl. Ix., fig. 172.* Supplement, p. 138. 
Bushel, South Devon. 
MippLe Drvyontan.—Torquay group. 
CEPHALOPODA. 
Fig, 8.—CyrtocEras noposum, Phillips. 
From Pal. Foss., p. 116, pl. xlvi., fig. 221, reduced one-fifth. 
Bushel, South Devon. 
Mippie DEvonrtan.—Torquay group. 
Fig. 9.—a, b, CLYMENIA STRIATA, Minster. 
Beitr. pl. iii., fig. 2. Phil. Pal. Foss., p. 125, pl. liii., fig. 240. 
Newton 
Newton: 
Original. a. Imperfect specimen showing the septa. 6. Outline of septum,. 
from Pal, Foss, op. cit., fig. 240, 0. 
Urrrer Drvontan.—Petherwin group. 
