4 2 
Praeger — Fossils at Alexandra Dock , Belfast . 
Cardium ecbinatum, Linn. . , 
In the deep-water clay fine specimens of this beautiful species are abundant. 
Worn single valves are common in the overlying yellow sand. 
Cardium exiguum, Gmel. 
Diffused through the deposits, hut scarce, and usually as single va ves. 
+ Cardium nodosum, Turt . 
The upper clay yielded one small valve of this species, so rare as an 
Estuarine Clay fossil. 
Cardium edule, Linn. . , 
In the top clays and yellow sand abundant and large, not uncommon in t 
upper clay, and in the lower clay very abundant, hut of small size. 
Cardium edule, var. rusticum, Chemn. 
Some very oblique valves probably belong to this variety. 
Cardium Norve&icum, Speng. 
This fine shell is very rare. A single valve was discovered in the upper 
clay, and another in the blackish sand of the outer entrance section. (One 
valve, Grainger'. Two or three valves, Stewart). 
Cyprina Islandica, Linn • 
Beyond the complete specimen mentioned in my paper (p. 34), t y 
evidence of the occurrence of this large shell was the fragments of one 
great valve, which had been some five inches in breadth, which I found in 
the yellow sand. (One perfect specimen, Stewart ). 
Venus lincta, Fult. , 
Bare ; a few single valves scattered through the top clays an ye ow sa 
* Venus exoleta, Linn. 
Very rare ; three single valves occurred m the yellow sand. 
Venus Gallina, Linn • . 
Distributed through the upper and lower clays, but of small size. 
* Venus fasciata, La Costa. 
A single valve in the yellow sand. 
Tapes aureusi Gmel. 
Frequent, and scattered throughout. 
Tapes aureus, var. ovata, Jeff. 
Very rare. (Not uncommon, Stewart). 
Tapes pullastra, Mont. . 
In the upper clay and yellow sand, where it attams an unusual size. 
(Frequent, especially in the lower zone, Stewart). 
Tapes decussatus, Linn . . .. . 
In the yellow sand very large valves are frequent. In the upper clay 
uncommon, but large; and in the lower clay it occurs in profusion, hut 
small. 
