136 Bulletin American Museum of Natural History [Vol. LIII 
Bulinus contortus var. saulcyi (Bourguignat) =Physa saulcyi BoURGUIGNAT, 
1856, Rev. Mag. Zool., (2) VIII, p. 230, Pl. xv, figs. 14-16; 1856, ‘Aménités Malaco- 
logiques,’ I, p. 168, Pl. xxt, figs. 14-16. Alexandria, Lower Egypt. 
Bulinus corneus (Morelet) =Physa cornea MoRELET, 1889, Journ. de Conchyl., 
XXXVII, p. 16, Pl.1, fig. 8. Port Elizabeth, Cape Colony. According to v. Martens 
this is a synonym of B. zanzebaricus (Clessin). . 
Bulinus coulboisi (Bourguignat). See p. 139. 
Bulinus craveni (Sturany) = Physa lirata CRAVEN, 1880, Proc. Zod]. Soc. London, 
p. 617, Pl. rvu, fig. 10 (not Physa lirata Tristram, 1863). Physa cravent ANCEY, 
1886, Le Naturaliste, VIII, p. 358; Srurany, 1898, Denkschr. Math. Naturw.. K1. 
Ak. Wiss. Wien, LXVII, p. 76. Mooi River, Transvaal. According to Dupuis (1923, 
Ann. Soc. Zool. Belgique, LITI, (1922), p. 81), this is the same as B. tropicus (Krauss), 
Bulinus crystallinus .(Morelet) = Physa crystalina MoRELET, 1868, ‘Voy. Wel- 
witsch, Moll. Terr. Fluv.,’ p. 89, Pl. rx, fig. 1. Quiaposa River near Sange, Angola. 
Bulinus diaphanus ae }= Physa diaphana Krauss, =, ‘Siidafrik. Mol- 
lusk.,’ p. 84, Pl. v, fig. 11. Umgeni Valley, Natal. 
Bulinve dybowskii Fiscuer, 1891, Nouv. Arch. Miss. Scientif., I, p. 365, Pl. 
11, figs. 4-4a. Southern Algeria (subfossil), and alive in Tunis, according to Pallary. 
Bulinus dybowskw var. alexandrinus (Pallary) =Bullinus dybowskii var. alex- 
andrina PaLuary, 1909, Mém. Inst. Egyptien, VI, 1, p.538. Alexandria and Matarieh, 
Lower Egypt. 
Bulinus guerini (Mittre)=Physa guerinit. oo 1841, Rev. Zoolog. Soc. 
Cuviér., p. 68. This species was described from the Orient (Levant?) ; according to 
Bourguignat, it probably came from Egypt. 
Bulinus guernet (Dautzenberg) =Isidora guernet DauTzENBERG, 1890, Mém. 
Soc. Zool. France, III, p. 133, Pl. 1, figs. 1la-b. Tuabo, Senegambia. 
Bulinus hemprichi (Khrenberg) =Isidora hemprichii EHRENBERG, 1831, ‘Sym- 
bole Physic, Evertebrata, I, Mollusca,’ p. [19]. Lower Egypt. 
Bulinus innesi (Pallary)=Bullinus innesi “Bourguignat” Patuary, 1909, 
Mém. Inst. Egyptien, VI, 1, p. 58, Pl. 111, figs. 41-42. Cairo, Lower Egypt. 
Bulinus innest var. distortus (Pallary) =Bullinus innesi var. distorta PALLARY, 
1909, Mém. Inst. Egyptien, VI, 1, p. 53, Pl. 111, figs. 44-46. Tourah, Lower Egypt. 
Bulinus joubint (Germain) =Physa (I[sodora) joubini GERMAIN, 1907, Bull. 
Mus. Hist. Nat. Paris, p. 278, fig.22. Lake Chad at Kuloa. 
Bulinus jousseaumt (Dautzenberg)=Isidora jousseaumi a 1890, 
Mém. Soc. Zool. France, III, p. 182, Pl. 1, figs. 10a-b. Falls of the Felu ever. near 
Medine, Senegambia. 
Bulinus lakepiaensis (Preston) =Physa latkipiaensis Preston, 1913, Rev. Zool. 
Afric., III, 1, p. 56, Pl. v,.fig. 14. Laikipia Plateau, at 7,000 ft., Kenya Colony. 
Re masakaensis (Preston) = Physa masakaensis Preston, 1913, Rev. Zool. 
Afric., III, 1, p. 57, Pl. v, fig. 7. Masaka, southwestern Uganda. 
Be mutandaensis (Preston)=Physa mutandaensis Preston, 19138, Rev. 
Zool. Afric., IIT, 1, p. 57, Pl. v, fig. 8. Lake Mutanda, southwestern’ Uganda. 
es bias nyassanus (K. A. Smith) =Physa nyassana EF. A. SmitH, 1877, Proc. 
Zo6l. Soc. London, p. 717, Pl. uxxv, figs. 16-17. Lake Nyasa. 
