14 EXPLANATION OF THE PLATES. 
PLATE VI. 
FOSSILS OF THE LLANDEILO ROCKS. 
PLANTA ?—ALG ZL. 
Fig. 1.—PALaocHoRDA MAJOR, M‘Coy. 
From the original figure in Brit. Pal. Foss., pl. i. A., fig. 3 (reduced to half 
natural size). 
LLANDEILO.—Skiddaw slate, Kirkfell, near Scawgill, Cumberland. 
ZOOPHYTA. 
Fic. 2.—a, b. NEBULIPORA FAVULOSA, Phillips, sp. 
Nebulipora favulosa.—Memoirs Geological Survey, vol. ii., pl. i., pl. xxx., figs. 
3, 3a; vol. iil, p. 282, pl. xix., fig. 10 and a. (the same figures having 
been transferred). Nebulipora lens, M‘Coy.—Brit. Pal. Foss., pl. i. C., 
fig. 7. 
a. Natural sIze. 
b. Portion of the surface enlarged. 
Uprer LuANDEILO.—Lann Mill, near Llandeilo, South Wales. 
Fig. 3.—a, b. c. PYRITONEMA FAScICULUS, Jf‘ Coy. 
From the original figures in Brit. Pal. Foss., pl. i. B., fig. 13. 
a. Natural size. 
b. Portion of the same, enlarged three diameters, showing the external surface 
of the bundle of tubes. 
ce. Portion of horizontal surface of tubes, more highly magnified. 
LiLANDEILO.—Limestone of Tre Gil. 
HYDROZOA or POLYZOA. 
Fic. 4,—a-d. PROTOVIRGULARIA DICHOTOMA, JM‘ Coy. 
From the original figures, Brit. Pal. Foss., pl.1. B., fig. 11. 
a. Part of a branched specimen (natural size), from Lockerby. 
b. Portion of the same, enlarged six diameters. 
c. A fragment, with the pinnules contracted. 
d. Portion of the same, enlarged six diameters. 
LiANpEILo.—Lockerby, Dumfriesshire. 
