SOLEN. 69 



with purple rays, which pass from the hinge more than half 

 way towards the margin, and then turn forwards to cover the 

 truncated end; at the rounded posterior end, the purple rays 

 are much narrower. 



bullatus. 29. Shell roundish-ovate, inflated, longi- 

 tudinally grooved, gaping, and niuricated at 

 the anterior margin. 



Solen bullatus. Linn&us Syst. Nat. p. 1115. Chemnitz, 



vi. p. 65. t. 6. f. 49 and 50. Schroeter Einl. ii. p. 632. 



Gmelin, p. 3226. 

 Cardium hiatus. Meuschen Mus. Gevers, p. 442. No. 



1634. 

 Cardium soleniforme. Bruguiere Erie. Meth. p. 235. 



Wood* Conch, p. 233. t. 56. f. 3. 

 Lister Conch, t. 342. f. \',9- Gualter, t. 85. f. H. Erie. 



Meth. t. 296. f. 6. 

 Inhabits the coasts of Jamaica. Lister. St. Domingo, and 



Martinique. Bruguiere. Tranquebar. Humphreys. 

 Shell commonly about an inch long, and an inch and a quarter 

 broad, slightly produced, and gaping at the anterior end, to- 

 wards which the longitudinal ribs become rather larger; the 

 colour is white, irregularly spotted with purple ; the whole 

 margin is slightly, and at the anterior end strongly serrated ; 

 the hinge has only a single tooth at the beak of each valve, 

 and a remote lateral one on each side, so that it does not ac- 

 cord either with Cardium or Solen, and its gaping end gives 

 it a stronger claim to be placed in the latter genus. Car- 

 dium apertum, though it also gapes considerably, is said to 

 have two central teeth in its hinge. 



minutus. 30. Shell sub-oval, with two rows of 

 concave spines on each valve. 



Solen minutus. IAnnaus Syst. Nat. p. 1115. Chemnitz, 

 vi. p. 67. t. 6. f. 51 and 52. Schroeter Einl. ii. p. 632. 

 Gmelin, p. 3226. Montagu Test. p. 53. t. 1 . f. 4. Ma- 

 ton and Racket, in Lin. Trans, viii. p. 47. Wood's 

 Conch, p. 139- t. 34. f. 2 to 4. 



Myaarctica. Linnceus Syst. Nat. p. 1113. Muller ZooL 

 Dan. Prod. p. 245. Fabricius Faun. Granl. p. 407. 



. Gmelin, p. 3220. Wood's Conch, p. 95. 



Venus arctica. Solander's MSS. 



Cardita arctica. Bruguiere Eric. Meth. p. 41 1. 



Lister Conch, t. 426. f. 267. Enc. Meth. t. 234. f. 4. 



