The Raised Sea-Bottom of Fillyside. 237 
Order PLEUROBRANCHIATA. 
Family BULLID”. 
Utriculus truncatulus (Bruguicre). Utriculus, 
Brown. 
Bulla truncatula, Brug., in Enc. Méth (vers.), t. vi., p. 377, No. 10. 
Cylichna truncata, F. and H., vol. iii., p. 510, pl. exiv.B., figs. 7 
and 8. 
Utriculus truncatulus, Jeff., loc. cit., vol. iv., p. 421; vol. v., pl. xciv., 
fig. 2. 
Rare. As a fossil this species has been obtained at 
Cocklemill Burn; in the Clyde beds at Duntroon, and at 
Garvel Park, Greenock. 
Utriculus hyalinus (Turton). 
Bulla hyalina, Turt., in Mag. N. H., vii., p. 353. 
Amphisphyra hyalina, F. and H., vol. iii., p. 521, pl. exiv.p., figs. 1 
and 2. 
Utriculus hyalinus, Jeff., loc. cit., vol. iv., p. 427; vol. v., pl. xciv., 
fig. 7. 
Rare. This species appears to have a much wider distri- 
bution than the last, and is recorded from the following 
Clyde beds:—Dalmuir, Paisley, Garvel Park, Kilchattan, 
etc.; and from the estuarine clays at Belfast and Larne 
Lough in Ireland; as well as on the Continent. 
These two species are found living in the. Laminarian zone 
on various parts of the British coasts. 
Philine nitida, Jeffreys. Philine, 
Ascanius, 
Philine nitida, Jeff., loc. cit., vol. iv., p. 456; vol. v., pl. xevi., fig. 7. 
Rare. This appears to be a rare species. 
Philine aperta (Linne). 
Bulla aperta, Linn., Syst. Nat., p. 1183. 
Philine aperta, F. and H., vol. iii., p. 539, pl. exiv.z., fig. 1. 
Jeff., loc. cit., vol. iv., p. 457; vol. v., pl. xevi., fig. 8. 
9? 3? 
Rare. As a fossil this also appears to be a rare species. 
VOL, Xt R 
