GINGLYMACONCHA. VENERIDZ. 301 
f.8; Mont. Test. Brit. 125; M. & R. Trans. Linn. Soc. 
vill. 88; Elem. Edinb. Encycl. vii. 95 ; Turt. Conch. Dict. 
245. 
Venus Pullastra. 
Venus Senegalensis, Dil/. Desc. Cat. 206. 
This species is extremely common in the British seas in deep 
water. 
6. CAPSA RETICULATA. 
Shells ovate behind, sculptured with decussating striz. 
Epidermis pale ferruginous, generally painted with rays, letters 
and spots. Length three; height two inches. 
Venus reticulata, Lister, Anim. Angl. t. ww. f. 20; Conch. 
t. eeeexxiil. f. 271; Da Costa, Brit. Conch. 102. t. xiv. f. 4; 
Dill. Desc. Cat. 188. 
Venus decussata, Linn. Syst. Nat. xii. 1135. no. 149; Gmel. 
Syst. Nat. 3294; Pult. Cat. Dorset. 34. t.vi. f.4 ; Donov. 
Brit. Shells, t. \xvii.; Mont. Test. Brit. 124; M. & R. 
Trans. Linn. Soc. vii. 88; Flem. Edinb. Encyel. vii. 95 ; 
Turt. Conch. Dict. 244. 
This species is extremely common in the European seas on 
deep sandy bottoms. 
STIRPS V. 
Shellssubcordiform (somewhat heart-shaped), their cordiform 
impression perfect; the umbones nearly central, prominent 
and recurved ; with no lamella before and behind the cardinal 
teeth, or only behind the cardinal teeth. 
Genus 44. CRASSINA. 
“rassina, Lamarck, MSS. 
The shell more or less heart-shaped, equilateral ; the hinge 
in one valve with one obtuse, the other valve with two obtuse 
