NO. 1205. SYNOPSIS OF THE XAI J DES—SIMPSOX. 829 



tGRANDIDIERIA SMITHI Bourguignat. 



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



* Grandiclieria smithi Bouuguignat, Bull. Soc. Mai. Fr., II, 1885, p. 7. 



* Unio burtoni. var. miUM voN Martens, Besch. Deuts. Ost-Af., 1897, p. 238. 



Lake Tanganyika. 



GRANDIDIERIA GRAVIDA Bourguignat. 



* Grand\(Un-ia gravida Bourguignat, Bull. Soc. Mai. Fr., II, 1885, p. 7, pi. i, ligs. 



1-6; ^* Icon. Moll. Tan., 1888, p. 41, pi. xviii, ligs. 11-16. 



* Grandidieria rosiraUi Bourguignat, Bull. Soc. Mai. Fr., II, 1885, p. 10, pi. i, figs. 



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

 *Unio rostralis VON Martens, Besch. Deuts. Ost-Af., 1897, p. 238. 



Lake Tanganyika. 



tGRANDIDIERIA THOMSONI Smih. 



* Unio ihomsoni Smith, Ann. and Mag., VI, 1880, p. 430; "Proc. Zool. Soc. Lond., 



1881, p. 299, pi. XXXIV, fig. 36.—^ Crosse, Jl. de Conch., XXIV, 18S1, p. 133.— 

 * VON Martens, Besch. Deuts. Ost-Af., 1897, p. 240. 



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



Gir. Tan., 1885, p. 100. 



* Grandidieria eorbicula 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 singxlaris Bourguignat, Icon. Moll. Tan., 1888, p. 43, pi. xix, figs. 



18-20, 



Lake Tanganyika. 



GRANDIDIERIA RHYNCHONELLA Bourgingnat. 



*Gra)ididieriarhifnchonellaBouRGViG'S AT, Icon. Moll. Tan., 1888, p. 43, pi. xix, figs. 

 16,17. 



Lake Tanganyika. 



GRANDIDIERIA CALLISTA Bourg.ngnat. 



'^ Grandidieria callisfa Bourguignat, Icon. Moll. Tan., 1888, p. 43, pi. xix, figs. 

 13-15.1 



Lake Tanganyika. 



GRANDIDIERIA BOURGUIGNATI Joubert. 



* Grandidieria botirguignati .Joubert in Bourguignat, Icon. Moll. Tan., 1888, p. 43, 



pi. XIX, figs. 7-9. 



Lake Tanganyika, 



GRANDIDIERIA ANCEYI Bourguignat. 



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



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



1888, p. 43, pi. xix, figs. 4-6.2 



Lake Tanganyika. 



' Probably a strangely distorted form of some other species. 



^I am satisfied that Smith's figure 33a is not burtoni, but a valid species — G. anceyi 

 Bourguignat. 



