584 PBOCIEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



" Anodonta (Dijysas) plicata Clessin, Couch. Cab. Anodontti, 1876, p. 240, pi. XXI, 

 figs. 1, 2. 



* Cristaria plicata von Ihering, Abh. Senck. Nat. Ges., XVIII, 1893, p. 147. 



* Crisiaria tuberculata Schumacher, Ess. Nouv. Syst., 1817, p. 140, pi. xx, fig. 2. 



* Anodonta dipsas Blainville, Man. MaL, 1825, p. 538, pi. lxvi, fig, 2. 



^ SymplujDota hialata Lea, Tr. Am. Phil. Soc, 1830, p. 445, pi. xiv, fig. 24; ' Obs., 

 I, 183J, p. 59, pi. XIV, fig. 24. 



* Unio hialata Hanley, Test. Moll. 1842, p. 219; * Biv. Shells, 1843, p. 214, pi. 



XXII, fig. 4. 



* Barhala hialata Chenu, Man. 1859, j). 145, fig. 717. — * P.etel, Conch. Sam., Ill, 



1890, p. 175. 

 . * Unio bialatns Deshates, Tr. Eleni. Conch., 1839, p. 19, pi. x-xxi, fig. 3.—* Cat- 

 low and Eeeve, Conch. Nom., 1845, p. 56. — *Deshayes, Tr. Elem., II, 1853, 

 p. 218, pi. XXXI, fig. 3.—* SowERBY, Conch. Icon., XVI, 1868, pi. xlvi, fig. 247. 



* Anodonta maf/7iijica Clessin, Conch. Cab. Anodonta, 1873, p. 123, ])1. xxxv, 



fig. 1. 

 ^Dipsas occidentalis Heude, Conch. Fluv. Nank., IX, 1885, pi. xlvi. 



* Barhala occidentalis PiETEL, Conch. Sam., Ill, 1890, p. 175. 

 '' Barhala pi icatula PjETEL, Conch. Sam., Til, 1890, p. 175. 



China; Japan; Amurland, south probably to Cambodia. The form 

 from Cambodia, which is referred to C.plicata, is believed by Fischer 

 to be different, and it may be C. heUua. 



t CRISTARIA BELLUA Morelet. 



"^ Anodonta hellua Morelet, Rev. et Mag. Zool., XVIII, 1866, p. 167; Ser. Conch., 

 IV, 1875, p. 331. 



Cambodia. 



t CRISTARIA HERCULEA Middendorff. 



Anodonta hercitlea Middendorff, Bull. Phys. Math. Ac. St. Pet., VI, 1848, p. 303; 

 Sib; Reise, II, 1851, p. 278, pi. xxi, fig. 5; xxii, figs. 1, 2; xxvi, figs. 1, 2.'— 

 ■Deshayes, Bull. Nouv. Arch. Mus., IX, 1873, p. 1, pi. i, fig. 1. — *Wester- 

 LUND, Faun. Pal., II, Pt. 7, 1890, p. 294. 



* Anodonta (Dipsas) AercwZea Clkssin, Conch. Cab. Ano., 1875, p. 175, pi. lix, figs. 



1, 2. 

 *Cristaria herculea von Ihering, Abh. Senck. Nat. Ges., XVIII, 1893, p. 146. 

 ^Barhala herculea P^ftel, Conch. Sam., Ill, 1890, p. 175. 



* Dipsas plicata var. clessini Kobelt, part. Abh. Senck. Nat. Ges., XI, 1879, p. 429, 



pi. XV. 2 



Bast Siberia; Amurland; North China.? 



t CRISTARIA SPATIOSA Clessin. 



"Anodon herculeus Sowerby, Conch. Icon., XVII, 1867, pi. iii, fig. 7. 

 ^Anodonta (Dipsas) spatiosa Clessin, Conch. Cab. Anodonta, 1875, p. 173, pi. lvii, 

 fig. 2. 



'Plate XXVI, fig. 2, an interior view, is probably ^wodow to &en?i(/iawa Middendorff. 



^Craspedodonia smaragdina Anton, Verz. der Conch., 1839, p. 16, No. 592; Clessin, 

 Conch. Cab. Ano., 1875, p. 93, pi. xxvii, fig. 2, a badly figured little shell, said to come 

 from North America, may be a young C. herculea. 



