NO. 1205. SYNOPSIS OF THE NAIADES SIMPSON. 829 



tGRANDIDIERIA SMITHI Bourguignat. 



* Unio burtoni SMITH (part), Proc. Zool. Soc., 1881, pi. xxxiv, fig. 33a. 



* Grandidieria smithi BOUHGUIGNAT, Bull. Soc. Mai. Fr., II, 1885, p. 7. 



* Unio burtoni var. smithi VON MARTENS, Besch. Beats. Ost-Af., 1897, p. 238. 



Lake Tanganyika. 



GRANDIDIERIA GRAVIDA Bourguignat. 



* Grandidieria gravida BOURGUIGNAT, Bull. Soc. Mai. Fr., II, 1885, p. 7, pi. i, figs. 



1-6; * Icon. Moll. Tan., 1888, p. 41, pi. xvm, figs. 11-16. 



* Grandidieria rostrala BOURGUIGNAT, Bull. Soc. Mai. Fr., II, 1885, p. 10, pi. i, figs. 



10-12 ; * Icon. Moll. Tan., 1888, p. 41, pi. xvm, figs. 17-19. 



* Unio rostralis vox MARTKNS, Besch. Deuts. Ost-Af., 1897, p. 238. 



Lake Tanganyika. 



tGRANDIDIERIA THOMSONI Smith. 



* Unio thomsoni SMITH, Ann. and Mag., VI, 1880, p. 430; *Proc. Zool. Soc. Loncl., 



1881, p. 299, pi. xxxiv, fig. 36.* CROSSE, Jl. de Conch., XXIV, 181, p. 133. 

 * VON MARTKNS, Besch. Dents. Ost-Af., 1897, p. 240. 



* Grandidieria thomsoni BOURGUIGNAT, Bull. Soc. Mai. Fr., II, 1885, p. 7; *Moll. 



Gir. Tan., 1885, p. 100. 



* Grandidieria corbicula BOURGUIGNAT, Not. Prod., 1885, p. 100; *Moll. Gir. Tan., 



1885, p. 100; *Icon. Moll. Tan., 1888, p. 43, pi. xix, figs. 10-12. 



* Grandidieria granulosa BOURGUIGNAT, Not. Prod., 1885, p. 102 ; * Icon. Moll. Tan., 



1888, p. 43, pi. xix, figs. 1, 2. 



^Grandidieria singularis BOURGUIGNAT, Icon. Moll. Tan., 1888, p. 43, pi. xix, fijs. 

 18-20 



Lake Tanganyika. 



GRANDIDIERIA RHYNCHONELLA Bourgingnat. 



* Grandidieria rhynchonella BOURGUIGNAT, Icon. Moll. Tan., 1888, p. 43, pi. xix, figs. 



16, 17. 



Lake Tanganyika. 



GRANDIDIERIA CALLISTA Bourginjnat. 



*Grandidieria callista BOURGUIGNAT, Icon. Moll. Tan., 1888, p. 43, pi. xix, figs. 

 13-15.' 



Lake Tanganyika. 



GRANDIDIERIA BOURGUIGNATI Joubert. 



* Grandidieria bourguignati JOUBERT in Bourguiguat, Icon. Moll. Tan., 1888, p. 43, 



pi. xix, figs. 7-9. 



Lake Tanganyika. 



GRANDIDIERIA ANCEYI Bourguignat. 



* Unio burtoni SMITH, (part) Proc. Zool. Soc. Lond., 1881, p. 297, pi. xxxiv, fig. 33a. 



* Grandidieria anceyi BOURGUIGNAT, Esp. Ouk. et Tail., 1885, p. 15; Moll. Tan.,. 



1888, p. 43, pi. xix, tigs. 4-6. 2 



Lake Tanganyika. 



1 Probably a strangely distorted form of some other species. 



2 1 am satisfied that Smith's figure 33a is not burtoni, but a valid species G, anceyi 

 Bourguignat. 



