26 



7. C. lividus, Dunker, Zool. Proc. 423, 1861. PMlippines. 



8. C. marmoratus, Danker, Zool. Proc. 423, 1861. 



Philippines. 



9. C. pellucidus {Solen), Pennant, Brit. Zool. iv. pi. 46, f. 3, 



1776, Europe. 



10. C. politus, Dunker, Zool. Proc. 422, 1861. Piivcr Gambia. 



11. C. SUbellipticus, Dunker, Zool. Proc. 421, 1861. 



3Ialacca. 



12. C. vitreus, Dunker, Zool. Proc. 422, 1861. Singapore. 



Genus PHARELLA, Gray. 



1. P. acuminatus {SoJen), Ilanley, Zool. Proc. 122, 1842. __ 

 Novaciilina acuminata, II. and A. Adams, Gen. of Shells, ii. 



347, 1858. India. 



2. P. acutidens, Broderip and Sowerby, Zool. Jour. iv. 361, 



1835. 

 Gray, Zool. Beechey's Voy. 153, pi. 43, f. 2, 1831. 



jSiDnatra, Loo Choo, India. 



3. P. orientalis {Cultellus), Dunker, Zeits. f. Mai. 31, 1850. 



Nov. Conch. 10, pi. 3, f. 3, 1858. Past Indies. 



4. P. OValis, Dunker, Zool. Proc. 423, 1861. Singapore. 



Genus PHARUS, Leach. 

 Syn. Brit. Mus. 1840. 



1. P. leglimen {Solen\ Linn.. Syst. Nat. Ed. xii. 1114, 1767. 



Chem., vi. t. 5, f. 32—4. Ency. Method, pi. 225, f. 3. 



llediterranean, Atlantic. 



2. P. SCalprum {Solen), Gould, Proc. Bost. Soc. Nat. Hist. 



iii. 1^14, 1848. 

 Mollusc. Explor. Ex. pi. 33, f. 6. Obtained at Singapore. 



Genus ENSIS, Schumacker. 

 Ess. 143, 1817. 



1. E. Americanus, Beck. 



H. and A. Adains, Gen. of Shells, ii. 342, 1858. 



2. E. asperus, Dunker, Zool. Proc. 420, 1861. Australia. 



3. E. ensis {Solen), Linn., Syst. Nat. Ed. xii. 1114. 



Ency. Method, pi. 23, f. 3. 



Europe, and Atlantic No7-th America. 



