232 Annals of the South African Musewm. 
1857 Cassidula kraussi, Kiist., Pfr., Cat. Auric. p. 86. D. 
1874 be labrella, Desh. (=kraussi and lutescens), Jick., 
Fauna N.-O.-Afr. p. 186. JD. 
1878 Auricula kraussii, Kist., Sow., Conch. Icon. pl. 5, f. 32. DF. 
1883 Cassidula labrella, Desh., Bgt., Ann. Sci. nat. Dariaicy ee 124. N. 
Type of kraussi in Stuttgart Museum ; labrella—ubi ? 
Hab. Narvau. Mouth of Umlaas River (kraussi, Krauss). Dur- 
ban (Burnup). 
Carr or Goop Horr. Zwartkops River marshes, near Port 
Elizabeth (Crawford). 
Labrella was described from Mauritius, krawssi from Natal, and 
the Hab. of lutescens was unknown. 
Genus PHYTIA, Gray, 1821. 
(London Medical Repository, xv. p. 231.) 
(=Alexia, Leach in Gray, 1847, nec Stephens, in Coleoptera 1835.) 
Type of Genus, P. denticulata, Mont. (myosotis, Drap.). 
488. PuytiA AcumMINATA, Morelet. [S.A.M.] 
1889 Alexia acuminata, Morel., J. de C. xxxvii. p. 15. pl. 1,f. 11. DP. 
a »  pulchella * yee On Jeome el allenic 10) ae 
TBOB e - f ‘ “d Keb.: Conch. Cab. p. 133. pl. 19, £. 7, € 
DF. 
& »  acununata »  Kob., bid. p.133. pl. 19, £.13,14. DP. 
Types in British Museum. 
Hab. Care or Goop Horr. Port Elizabeth (Crawford; Far- 
quhar). 
The above species were founded on very immature shells, and, in 
a large series, merge into one another. The type of acuminata 
measures 455X2 mm., while the largest examples that I have 
examined from Port Elizabeth are 204 and 19°5x5 mm. respec- 
tively ; there seems no doubt, however, that these are the adult of 
Morelet’s species. They are closely allied to the variable European 
Phytia myosotis (Draparnaud). 
TrIiBE HYGROPHILA, Feérussac, 1822. 
(Tabl. Syst. Moll., pt. 1. p. xxxiii, as Hygrophiles.) 
Famity LIMNAIDA, Gray, 1824. 
(Ann. of Philos. viii. p. 108, as Lymneade, emend. Broderip, 1839, Penny 
Cyclopedia, xiii. p. 497.) 
