129 



22. insignis, Desk. 



23. lata, id. 



24. Layardi, id. 



25. Lessoni, Be Main. 



26. lineolata, Gray. 



27. Malaccana, Reeve. 



28. marmorea, Desk. 



29. maxima, id. 



30. Menkeana, Reeve. 



31. modesta, Ztes#. 



32. nivosa, irf. 



33. occidens, Cliemn. 



34. oriens, ZWA. 



35. ornata, -Des/^. 



36. palmata, id. 



37. parvula, Reeve. 



38. pennata, Ztes/j. 



39. petalina, id. 



40. prsestans, ^. 



41. puella, id. 



42. pidcliella, Zom. 



43. pulcherrima, Desk. 



44. rubicunda, id. 



45. mgulosa, y&?. $* Rv. 



46. solida, P/«7. 



47. squamosa, Lam. 



48. Stangeri, Gray. 



49. suffusa, Reeve. 



50. Tellinseformis, Desk. 



51. Tellinella, Z«/». 



52. tenuis, Desli. 



53. togata, i^. 



54. tripartita, id. 



55. tristis, id. 



56. vaginoides, Reeve. 



57. vespertina, GWZ. 



58. zonalis, Zam. 



Figures. 



Psammobia Tellinella. Plate Q. Shell, with the animal, showing, on 

 the anterior side, the foot, and, on the posterior side, the widely se- 

 parate siphons of unequal length, each passing out between the 

 fringe-edged lobes of the mantle. 



Psammobia vespertina. PI. 38. Pig. 206. Shell of a British species, 

 showing the delicate violet-rayed painting. 



Genus 8. PSAMMOTELLA, Beshayes. 



Animal ; undescribed. 



Shell ; transversely ovate, equilateral, gaping at both ends, trun- 

 cated and slightly beaked at the posterior, mostly violet-coloured, 

 covered with an olive epidermis ; hinge composed of two small 

 erect cardinal teeth in one valve and one in the other, and of 

 an oblong callosity or fulcrum in each valve. 



A genus lately founded by M. Deshayes for the reception of seven shells 

 from the Philippine Islands, Malacca, and the Red Sea, intermediate be- 

 tween Psammobia and Soletellina. The animal is not known, but the ob- 

 long callosity of each valve would seem to indicate that the genus has an 

 affinity with the genus Soletellina founded on the Linnean Solen dip/ios. 



1. ambigua, Desh. 



2. Malaccensis, id. 



3. oblonga, id. 



VOL. II. 



Species. 



4. Philippinensis, Desh. 



5. Euppelliana, Reeve. 



6. Skinneri, Reeve. 



7. subradiata, id. 



