HO. 1205. SYNOPSIS OF THE NAIADES SIMPSON. 813 



tNODULARIA SHURTLEFFIANA Lea. 



* Unio sh urtleffianm LEA, Pr. Ac. N. Sci. Phila., VIII, 1856, p. 94 ; " Obs., VI, 1857, p. 



22, pi. xxvii, fig. 17 ; * Jl. Ac. N. Sci. Phila., Ill, 1858, p. 302, pi. xxvn, fig. 17. 

 * P ETEL,Conch. Sam., Ill, 1890, p. 167. 



* Margaron ( Unio) shurtleffianus LEA, Syn., 1870, p. 32. 



India; Siam. 



fNODULARIA OCCATA Lea. 



* Unio occatus, LEA, Pr. Ac. N. Sci. Phila., IV, 1860, p. 307; * Jl. Ac. N. Sci. Phila., 



VI, 1863, p. 398, pi. L, fig. 304 ; * Obs., X, 1863, p. 34, pi. L, fig. 304. *SOWERBY, 

 Couch. Icon., XVI, 1868, pi. LXXIX, fig. 412.* PJETEL, Conch. Sam., Ill, 1890, 

 p. 161. 

 rf Margaron ( Unio) occatus, LEA, Syu., 1870, p. 31. 



* t Unio macilentus, BENSON, Ann. and Mag., X, 1862, p. 187. * HANLEY and THEO- 



BALD, Conch. Ind., 1876, p. 5, pi. x, figs. 2, 4 ; p. 62, pi. CLIV, fig. 5. * P.ETEL, 

 Conch. Sam., Ill, 1890, p. 158. 



* Unio ruyosus, HANLEY and THEOBALD, Conch. Ind., 1876, p. 62, pi. CLIV, fig. 3. 



India. 



NODULARIA MOSSAMBICENSIS von Martens. 



* Unio mossambicenais VON MARTENS (Peter's manuscript), Mai. B1.,VI, 1860, p. 218, 



pi. in, figs. 3-5. * P.ETEL, Conch. Sam., Ill, 1890, p. 160. * VON MARTENS, 

 Beach. Deuts. Ost-Af., 1897, p. 225, pi. vn, fig. 2. 



* Unio sennariensis var. VON MARTENS, Mai. Bl., XXI, 1873. p. 43. 



* Unio parreysi (v. d. Busch.) var. schwinefurthi VON MARTENS, Nov. Conch., IV, 



1876, p. 140, pi. cxxxn, figs. 3-5. l 



Sennaar. northeast Africa; Mosambique, Zambezi River. 



tNODULARIA INORNATA Lea. 



* Unio inornatus LEA, Pr. Ac. N. Sci. Phila., VIII, 1856, p. 93 ; * Obs., VI, 1857, p. 13, 



pi. xxiv, fig. 6 ; * Jl. Ac. N. Sci. Phila., Ill, 1858, p. 293, pi. xxiv, fig. 6. * vox 

 MARTENS, Pr. Zool. Soc. Lond., 1860, p. 15. *MORELET, Ser. Conch., IV, 1875, 

 p. 352. P.ETEL, Conch. Sam., Ill, 1890, p. 155. 



* Margaron ( Unio) inornatus LEA, Syn., 1870, p. 47. 



Siam; Cambodia. 



tNODULARIA PACHYSOMA Benson. 



* Uniopachysoma BENSON, Ann. and Mag., X, 1862, p. 186. * HANLEY and THEOBALD, 



Conch. Ind., 1876, p. 6, pi. xn, fig. 1. 

 * Margaron ( Unio) pachysoma LEA, Syn., 1870, p. 63. 



* Unio ijachystomaPMTEL, Conch. Sam., Ill, 1890, p. 132. 



Assam. 



tNODULARIA BONNEAUDI Eydoux. 



rf Unio bonneaudi EYDOUX, Guer. Mag., 1838, p. 10, pi. cxix, figs. 1, la. * H. and A. 

 ADAMS, Gen. Rec. Moll., II, 1857, p. 493.* SOWERBY, Couch. Icon., XVI, 1868, 



'This species seems to be close to N. occata, but is thinner and of delicate texture. 

 I am not certain of its exact affinities. I am sure that it is not a A-ariety of N. 

 mossambicensis. 



