Case and 
Column of 
Drawers. 



Go 
Go 
Go 
Go 
UPPER BALA GROUP. 

Reference to McCoy’s 
Synopsis: and Figures of Genera. 
Names and References; Observations, &c. 
Numbers and Localities. 


Univalves. 


MM. simplex, p. 294, 
Pl. 1K, fig. 44. 
Euomphalus tricinctus, 
p. 299. 
Trochus Helicites, p. 297. 
< N 
) 
Z 

As E. tricinctus, p. 299. 
Pl. 11, fig. 18, p. 297. 
Pl. 1 1, fig. 17, p. 304. 
(Not of 1 1, fig. 15) 
p. 301. 
PL 11, fig. 25, p. 811. 
p. 317. 

GASTEROPODA. 
Pleurotomaria, large ribbed. 
Pleurotomaria, large ribbed. 
Murchisonia cancellatula, McCoy. 
Murchisonia pulchra, McCoy. Sil. 
Foss. Ireland, t. 1, fig. 19. 
Murchisonia, sp. Broader 
keel and longer base than J 
simplex. 

Murchisoniatricincta, McCoy. Hard- 
ly adeterminable species, but cer- 
tainly a Murchisonia. 
Raphistoma equalis? Salter (Silu- 
ria, 3rd ed. p. 197, Foss. 40, fig. 2). 

Euomphalus, sp. (Indistinct.) 
Trochus? Moorei, McCoy. 
Holopella tenuicincta, McCoy. 
Eccyliomphalus (scoticus? McCoy). 
This has narrower and rounder 
whorls, and is not likely to be the 
species in the Knockdolian beds. 
HETEROPODA. 
Bellerophon subdecussatus, McCoy. 
Bellerophon dilatatus, Sow. 
CEPHALOPODA. 
Orthoceras tenuistriatum, Miinster, 
Beit. 8, t. 19, fig. 4. 
Orthoceras, sp. 
Cyrtoceras? sp. Coarse wide ridges, 
possibly a large wide Orthoceras. 



Upper Bala proper. 



Llandovery Group. 

Penlan. 
b. 412, Mandinam. 
a. 182, Mullock, Dal- 
quorrhan. 
b. 414, Mullock; 
b, 413, Mathyrafal. 
a. 207, Mullock. 
a. 179, Dol Fan, 
Rhayadr. 
b. 415, Dalquorrhan. 
b. 416, Dalquorrhan. 
a. 187, Dalquorrhan. 
a. 188, Mullock, 
a. 178, Mullock, Dal- 
quorrhan. 
a. 186, Mullock. 
b. 417, Mullock. 
a. 186*, Mullock. 
b. 418, Mullock. 
b. 418*, Mullock. 
11—2 
