GINGLYMACONCHA. SOLENID. 263 
Genus 12. Arrusivs. 
Solen **, Poli. 
The shell elongate, rounded anteriorly and posteriorly ; the 
binge placed a very little before the middle, with two teeth in 
each valve ; the diverging tooth in one valve notched, the su- 
perior lappet acute. 
The animal with two disjoined tracheal tubes; the foot elon- 
gated and abruptly clavate. 
Artusius LEGUMEN. 
Shell oblong, straight, narrower anteriorly ; the epidermis 
luteous, inclining to sea-green, with wrinkled rays. Length 
four and a half inches ; height three-quarters of an inch. 
Solen Legumen, Lister, Conch. t. cecexx. f. 264; Linn. Syst. 
Nat. xii. 1114. no. 35; Penn. Brit. Zool. iv. 84. t. xlvi. 
f. 24; Poli, Test. i. 20. t.ii. f. 15; Da Costa, Brit. Conch. 
238; Chem. Conch. vi. t. v. f. 32 ad 34; Brug. Encycel. 
Meéthod. t. cexxv. f. 3; Pult. Cat. Dorset. t. iv. f. 4 ; Do- 
nov. Brit. Shells, t. liti.; Mont. Test. Brit. 50; M. & R. 
Trans. Linn. Soe. viii. 45 ; Lam. Hist. Nat. des Anim. sans 
Vert. v. 453; Flem. Edinb. Encycl. vii. 89; Dill. Desc. 
Cat. 60 ; Turt. Conch. Dict. 161. 
Hypogeea Hirudo, Poli, Test. i. 20. t. xii. f. 15. 
Var. 8. The epidermis greenish, with concentrically wrinkled 
rays. 
Var. y. The epidermis yellowish, with concentrically wrinkled 
rays. 
Inhabits the sandy shores in the open sea ; it is very common 
in Biddeford Bay, Fishguard, Sandersfoot, Pembrokeshire, and 
on the coast of Caermarthen ; and is likewise found plentifully 
in the south of Ireland. Its common name is Pod or Peascod 
Shell. 
The foot, abdomen and mantle are strongly tinged with blood- 
red colour. 
