347 



14. Ctrenella tumida ? 



Mysia tumida, Nutt. 



Cyrenoida tumida. Jay's Cat. iv. ed. 33, 1850. Hab. ? 



Mr. Temple Prime presented also the following paper : 



Synonymy of the known species of Rangia, a genus of 



THE FAMILY MaCTRACEA. 



Rangia, Desraoulins. 



Clathrodon, Gray, MSS. Rangia, Desmoul. Soc. Linn. 

 Bord. V. 1831. Conrad, Marine Conch. 1831. Clathrodon, 

 Gray. Conrad, Araer. II. xxiii. 1833. Mactra. Conrad, 

 Amer. II. xxiii. 1833. Gnathodon. Rang. Ann. Mus. n. ser. 

 iii. 1834. Gray, London Mag. N. Hist. n. ser. i. 1837. 



1. Rangia Cyrenoides, Desm. Act. Soc. Linn. Bord. v. 48, 

 pi. 1, 1831. Conrad, Marine Conch. 57, pi. 13, 1831. Adams, 

 Rec. Gen. ii. 380, 1858. Conrad, Proc. Ac. N. S. Phil. 232, 

 1860. 



Clathrodon cuneata, Gray. Conrad, Amer. 11. xxiii. 340, 

 1833. 



Gnathodon cuneatus, Gray. Lond. Mag. N. Hist. n. ser. i. 

 77, f. 34, 1837. Hab. N. America. 



2. Rangia clathrodonta, Conrad. Proc. Ac. N. S. Phil. 



232, 1860. 



Mactra clathrodonta, Conrad. Amer. II. xxiii. 340, 1833. 

 Gnathodon Grayi, Conrad. , Foss. Test. form. 23, pi. 13, f. 1. 

 Hab. N. America (fossil.) 



3. Rangia flexuosa, Conrad. Proc. Ac. N. S. Phil. 232, 



1860. 



Ghiathodon flexuosa^ Conrad. Amer. II. xxxviii. 92, 1840. 

 Hab. N. America. 



Rangia Grayi, Conrad. Foss. Test. form. 23, pi. 13, f. 1, is 

 Rangia clathrodonta, Conrad. 



