694 



Hexamitus Bütschli, 1884. For HexamitaDu^dixàm.^ 1841, hence, 

 type, H. inßata. 



Isomifa Dìesing, 1850. Type, ])roha.h\y Mofias Dunalii. 



Lamblia R. Blanchard, 1888. Type L. intestinalis = L. duodenalis. 



Megastoma Schneidemühl, 1898. Misprint for Mega&toma Grassi, 

 1881, hence type, M. entericum = Lamblia duodenalis. 



Monas Müller, 1773. Three original species: M. termo and iJ/. 

 lens eliminated by Diesing, 1850, to Monas [Mastichemonas), and M. 

 mica placed by Diesing, 1850, in the typical subgenus Monas 

 [Lumonas). Accordingly, unless some author earlier than 1850 has made 

 some other disposition, it appears that M. mica must be taken as the 

 type by elimination. 



Both Kent (1880) and Bütschli (18S4) appear to have overlooked 

 this fact. Kent (1880, p. 233 — 234) inferentially designated Monas 

 Dallingcri l^ent, 1880, as type oî Moiias\ he transferred M. termo to 

 Óikomonas and M. lens to Heteromita. 



Monadacomonas K. Leuckart, 18S6. Probably a lapsus for Mono- 

 cercomonas. 



Ovomonas Hartwig, 1901. Only, hence type, species, O.ßagellu- 

 tum coli. 



Paramecioides Grassi, 1881. Only, hence type, species, P. costa- 

 tum = Trypanosoma rotatorium. 



Paramecioides Laveran & Mesnil, 1901, for Paramecioides. Takes 

 Paramecioides costatum as type. 



Polymastix Bütschli, 1884. Only original, hence type, species, P. 

 melolonthae (Grassi, 1881 i. 



Saenolophus Leuckart, 1863. Only original, hence type species, 

 S. Eberthi [Ij&nQk^ri, 1864). 



TnVÄomaÄ Neumann, 1892. Misprint for Trichomonas 1838, hence, 

 type species Tricliomonas vagvialis. 



Tricliomastix Blochmann, 1884 (not Vollenhoven, 1878, hyme- 

 nopteron). Only original, hence type species, T. lacertae. 



Tric/wmastyx B.a'û\iet, 1893. For Tnc/^omas^/a; Blochmann, 1884, 

 hence type, T. lacertae. 



Trichotnonas Ehrenberg, 1838. For Tricomonas, 1831, hence type, 

 T. vaginalis. 



Trichomonus Veterinarian, Lond., 1899. For Trichomonas, 1838, 

 hence type, T. vaginalis. 



Tricomonas Donné , 1837. Only original, hence type species, T. 

 vaginalis. 



Tripanosoma Jj?Lnes?,diX\, 1882, for Tnjpanosoma. Takes Trypano- 

 soma rotatorium as type. 



