138 Transactions of the Royal Society of South Africa. 



certainly appear to be inseparable from barrakporensis, and I think that 

 Dautzenberg and Germain's synonymy may be accepted as correct. 



The Macequece specimens agree with those from Pretoria ; they are 

 very closely, finely transversely striate above, and clearly, rather closely 

 radiate, and with rather close engraved microscopic spiral grooves beneath. 



Family UROCYCLIDAE. 



Genus Urocyclus Gray, 1864. 



U rocychis fasciatus (Mts.), 1879. 



1879. Aspidoporus fasciatus Mts., Monatsb. Akad. Wiss. Berlin, p. 736. D. 

 Hab. Mozambique. Quilimane (Peters). 

 L. Marques. Andrada (Vasse). 



Urocyclus flavescens (Keferstein), 1866. 



1866. Parmarion flavescens Kfstn., Mai. Blatt. xiii, p. 70, pi. 2, figs. 1-8. 

 D.F.A.R. 



Hab. Mozambique. Quilimane (Peters). 



L. Marques. Inhambane ; Mungurumbe (Peters) ; Delagoa Bay 

 (Spencer) ; Mt. Vumba, 4300 ft. (Vasse). 



The record of this species by Gibbons, 1879, should be expunged from 

 my Reference List, as it refers to Kirkia gibbonsi (v. infra). 



Urocyclus kirki Gray, 1864. 



1864. Urocyclus kirkii Gray, P.Z.S., p. 251. D.F. 

 Hab. Mozambique. Near the mouth of the Zambesi (Kirk). 

 L. Marques. Delagoa Bay ; Inhambane (fide Sturany) ; Andrada 

 (Vasse). 



Genus Kirkia Pollonera, 1909. 

 Kirkia gibbonsi nom. nov. 



1879. Urocyclus flavescens Kfstn., Gibb., Journ. of Conch, ii, p. 138. D. 



1879. ,, kirkii (?) Gray, Binn., Bidl. Mus. Comp. Zool. v, p. 333, 



pi. 2, tig. C, D. D.R. 



1884. Urocyclus fasciatus (?) Mts., Heynem., Jahrb. D. Mai. Ges. xi, 

 p. 9, pi. 1, fig. 5. N.R. 



1909. Kirkia flavescens Gibb., Pollon., II Ruwenzori, p. 192. N. 



Hab. Mozambique (Gibbons). 



