902 PROCEEDINGS OF THE NATIONAL MI'SETM. 



fSPATHA VIGNONIANA Bernard!. 



* Margaritana vignoniana BERNARDI, Jl. de Couch., VII, 1858, p. 302, pi. x, rig. 1. 

 *P.ETRL, Conch. Sain., Ill, 1890, p. 174. 



* Unio vignoniana REEVE, Couch. Icon., XVI, 1865, pi. xxv, fig. 120. 

 *Anodonta rignonana MUSGRAVE, Phot. Conch., 1863, pi. i, fig. 1. 

 *Anodon vignonanus REEVE, Conch. Icon., XVII, 1870, pi. xxix, fig. 116. 



* Hargaron ( Unio) rignonana LEA, Syn., 1870, p. 32. 



* Margaron (Margaritana) rignouana LEA, Syn., 1870, p. 67. 



* lAnodonta rugifera DUNKER, Mai. Bl., V, 1858, p. 225. 1 



Gaboon, West Africa. 



SPATHA CORRUGATA Dautzenberg. 



* Spatha corrugata DAUTZENBERG, Jl. de Conch., XLI, 1893, p. 50, pi. vin, fig. 5. 



River Mari, West Africa. 



The following are unfigured and unidentified species. 



* Spatha pangallicensis ROCHEBRUNE, Bull. Soc. Phil., VI, 1882, p. 33. 



High Senegal. 



* Anodonta tawi RANG., Nonv. Ann. Mus., 1834, p. 297. 



Senegal. 



* Spatha baikii H. ADAMS, Proc. Zool. Soc. Loud., 1866, p. 447. 



Niger River. 



* Spatha anataria JICKELI, Faun. Suss. Moll. N. O. Af., 1874, p. 266. 

 Egypt. 



* Spatha ganclnensis ROCIIEBRUNE, Bull. Soc. Mai. Fr., Ill, 1886, p. 9. 



* Spatha corneola ROCHEBRUNE, Bull. Soc. Mai. Fr., Ill, 1886, p. 9. 



* Spathella protchi ROCHEBRUXE, Bull. Soc. Mai. Fr., Ill, 1886, p. 9. 



Kongo River. 



* Chambardia BOURGUIGNAT in Servain, 1891. New name for the Egyptian 



Iridinidw. 



Chambardia bourguignati^ C. loeardiana, C. letourneuxiana, G. phara- 

 owwm, C. rhynchonella, C. rhynchoidca. Some of these are credited to 

 Bourguignat and some to Servain. I don't know what they are. They 

 may be Moncetias. 



Genus MUTELA Scopoli, 1777. 



(Type, Iridina exotica Lamarck.) s 



Mutela SCOPOLI, Intr. Nat. Hist., 1777, p. 397. 

 Iridina LAMARCK, An. sans Vert., VI, 1819, p. 88. 

 Calliscapha SWAINSON, Tr. on Mai., 1840, p. 380. 

 Eufira GISTEL, Naturg. Hohe Schul., 1848, p. 



Shell elongated, slightly inflated, with low, smooth beaks, and a 

 rounded posterior ridge; surface faintly concentrically grooved; epider- 

 mis rayless ; hinge straight, having generally vestiges of taxodout teeth ; 



'Prohably=. vignoniana Bernard!, but there is only a Latin description. Both 

 were published the same year. 



