) 
MODIOLA minima. 
TAB, CCX.---Figs: 5; 6, and.7. 
 Sprc. Cuar. Ovato-subtriangular, smooth ; front 
nearly straight, ends rounded, posterior lobe 
small, distinct. 
Onny half:as long again as wide: it is very broad 
anteriorly, and has small beaks; the margin forms a 
prominent angle with the hinge line at their junction. 
This occurs in a grey argillacious Limestone; the 
largest was sent me from Taunton, by my friend R. 
Hare, Esq. One of the small ones was found near Bel- 
fast, by Dr. M‘Donnel, along with Gryphites. 
MODIOLA cuneata. 
TAB. CCXI.--- Fig. 1. 
Sprc. Cuar. Elongated, convex, smooth; ante- 
rior part cuneated ; back arched ; front slight- 
ly concave ; posterior side distinct, convex. 
Anovt twice as long as wide; most gibbose near the 
beaks, and gradually depressed towards the forward end 
in the form of a wedge. 
From the inferior Oolite of Somersetshire. 
MODIOLA gibbosa. 
TAB. CCXI.---Fig. 2. 
Syn. Modiola anatina. Smith Strat. System 89. 
Spec. Cuan. Elongated, reniform, very gibbose, 
smooth; back broad, arched. 
Nearty three times as long as wide; the depth of each 
valve is equal to its width. The end is obtuse, not 
