Reference List of South African Non-marine Mollusca. 245 



special synonymy of its own, it appears advisable to allow it to 

 maintain an individual existence until further material is available 

 for examination. 



Jickeli further included, under contorta ; truncata and harpula, 

 Fer. ; brocchii and hemprichi, Ehrn. ; rivularis, Phil. ; mareotica 

 and spiracea, Parr, in coll. ; pi/rum, Poro ; and scalata, Merian. 



519. ISIDORA DIAPHANA (Krauss). 



1848 Physa diaphana, Krs., Siidafr. Moll. p. 84. pi. 5, f. 11. D.F. 

 1856 ,, Bgt.,Eev.etMag. Zool. viii. p. 236. D. 



,, ,, ,, ,, Amen, malac. i. p. 175. D. 



1866 ,, von Mts., Mai. Blatt. xiii. p. 100. N. 



1873 ,, Sow., Conch. Icon. pi. 10, f. 81. D.F. 



1885 ,, Cless., Conch. Cab. p.282. pl.40,f.!2. D.F. 

 Type in Stuttgart Museum. 



Hab. NATAL. Umgeni Valley (Krauss). 



520. ISIDORA FOKSKALI, Ehrenberg. [S.A.M.] 



1831 Isidora forskalii, Ehrn., Symb. Phys., Evert. 3rd Sp. D. 

 1848 Physa wahlbergi, Krs., Siidafr. Moll. p. 84. pi. 5, f. 13. D.F. 

 1856 Bgt., Eev.etMag. Zool. viii. p. 240. D. 



,, ,, forskalii, Ehrn. ,, ,, viii. p. 235. D. 



,, ,, ,, ,, Amen, malac. i. p. 174. D. 



,, wahlbergi, Krs. ,, ,, i. p. 180. D. 



1863 ,, ,, ,, Kiist., Conch. Cab. (Limn.) p. 71. pi. 12, 



f. 23, 24. D.F. 



1866 von Mts., Mai. Blatt. xiii. p. 100. N. 



1869 Dohrn, Mai. Blatt. xvi. p. 15. N. 



,, ,, (Isidora) forskalii, Ehrn. ,vonMts., Mai. Bliitt. xvi. p. 213. N. 



1873 ,, walbcryii, Sow., Conch. Icon. pi. 8, f. 58. D.F. 



1874 Isidora forskuli, Ehrn., Jick., Fauna N.-O.-Afr. p. 198. pi. 3, 



f. 3. pi. 7, f. 13. D.R.F. and Synonymy. 



1886 Physa forskalii, Ehrn., Cless., Conch. Cab. p. 320. pi. 39(1884), 



f. 2. D.F. 



1897 Isidora forskali, Ehrn., von Mts., D.-O.-Afr. p. 141. pl.l, f .15. D.F. 



1898 Physa gradata, M. & P., A.M.N.H. ii. p. 129. pi. 7, f. 8. D.F. 



1899 Isidora forskali^hrn. ( = gradate), M.& P., A.M.N.H.iv.p.l93. N. 

 1908 ,, ,, Neuville & Anthony, Ann. Sci. nat. 



Paris, viii. pp. 271-273. N.F. 



Type of forskali in Zool. Mus. Berlin ; wahlbergi in Stuttgart 

 Museum ; gradata in British Museum. 



