262 GINGLYMACONCHA. SOLENID. 
and its angles rounded. Length seven inches; height an inch 
and a half. 
Solen Vagina, Lister, Conch. t. ecccix. f. 255; Appendiz, 
eceecececelvi. f. 5; Rumph. Mus. t. xlv. f. M.; Gualt. 
Test. t. xev.-f. D.; Linn. Syst. Nat. xu. 1113. no. 33; 
Lesser, Testaceoth. f.120; Penn. Brit. Zool. iv. 83. t. xlvi. 
f. 21; Chem. Conch. vi. t. iv. f. 26 ad 28; Gmel. Syst. 
Nat. 3223; Brug. Encycl. Méthod. t. ecxxi. f. 1; Mont. 
Test. Brit. 48; M. & R. Trans. Linn. Soc. viii. 42 ; Flem. 
Edinb. Encycl. vii. 89 ; Dill. Dese. Cat. 57 ; Turt. Conch. 
Dict. 159; Lam. Hist. Nat. des Anim. sans Vert. v. 451. 
Inhabits the European ocean. It occurs on our coasts in 
muddy sand; is common in the Kingsbridge Estuary, on the 
shores of Caermarthen and at Dawlish in Devon. 
Genus 11. PHaxas. 
Shell elongate anteriorly and posteriorly rounded ; the hinge 
almost terminal, with one tooth in one valve and two im the 
other. 
PHAXAS PELLUCIDUS. 
Shell thin, pellucid, flattened anteriorly and posteriorly, 
roundedly-attenuated ; epidermis greenish brown. 
Solen pellucidus, Penn. Brit. Zool. iv. 84. t. xlvi. f. 23; Do- 
nov. Brit. Shells, t. clviiti.; Mont. Test. Brit.49; M. & R. 
Trans. Linn. Soe. viii. 44; Flem. Edinb. Encycl. vu. ; Dill. 
Desc. Cat.60; Turt. Conch. Dict. 
Solen Pygmeeus, Lam. Hist. Nat. des Anim. sans Vert. v. 452. 
This species is not at all uncommon on several parts of our 
coasts, and may be very easily obtained from fishermen who 
dredge or trawl in deep water off the shores of Swansea, Angle- 
sea, Plymouth, Torbay, Sandgate, and in the Frith of Forth. 
I have never been so fortunate as to see the animal, and shall 
feel extremely obliged to any naturalist who will furnish me 
with specimens preserved in spirits of wine. 
