138 Bulletin American Museum of Natural History [Vol. LITI 
Bulinus trigonus var. columellaris (Germain) =Physa trigona var. columellaris 
Germain, 1908, in A. Chevalier, ‘L’ Afrique Centrale Frangaise,’ p. 496. Lake Chad. 
Bulinus trigonus var. solidus (Germain) =Physa trigona var. solida GERMAIN 
1908, in A. Chevalier, ‘L’ Afrique Centrale Frangaise,’ p. 496. Lake Chad. 
Bulinus tropicus (Krauss) = Physa tropica Krauss, 1848, ‘Siidafrik. Mollusk..,’ 
p. 84, Pl. v, fig. 12. Physa cyrtonota Bourcuienat, 1856, Rev. Mag. Zool., (2) Vill, 
p. 238, Pl. xv, figs. 1-2; 1856, ‘Aménités Malacologiques,’ I, p. 177, Pl. xx1, figs. 1-2. 
Lepenula River (between 25° and 26° 8.), Transvaal (type locality of tropica); Oli- 
fants River (type locality of cyrtonota). Lepenula is a corruption of the native name 
of the Olifants River. 
Bulinus vaneyi (Germain) = Physa (Isodora) vaneyi GERMAIN, 1907, Bull. Mus. 
Hist. Nat. Paris, p. 65; 1908, in A. Chevalier, ‘L’ Afrique Centrale Frangaise,’ p. 499, 
Pl. v, fig. 5. Kuri Islands in Lake Chad. 
Bulinus verreauati (Bourguignat) = Physa verreauzii BourGuIGNAT, 1856, Rev. 
Mag. Zool., (2) VIII, p. 237, Pl. xv, figs. 3-4; 1856, ‘Aménités Malacologiques,’ I, 
p. 176, Pl. xx1, figs. 3-4. Olifants River, Transvaal. 
Bulinus welwitschi (Morelet) = Physa welwitschti MorE LET, 1866, Journ. de Con- 
chyl., XIV, p. 162; 1868, ‘Voy. Welwitsch, Moll. Terr. Fluv.,’ p. 88, Pl. rx, fig. 9. 
Bumbo River, Benguela. | 
Bulinus zanzebaricus (Clessin) = Physa zanzebarica CLESSIN, 1886, in Martini 
and Chemnitz, ‘Syst. Conch. Cab., I, 17, Limneiden,’ p. 362, Pl. u1, fig. 5. Zanzibar. 
J. Thiele (1911, ‘Wiss. Ergebn. D. Z.Afr. Exp. (1907-08), ITI,’ p. 209) reports this 
species from Lake Karago and the falls between the Lakes Bolero and Luhondo, 
in Ruanda (Schubotz Coll.). 
Bulinus senegalensis O. F. Miller 
Text Figure 12a-c 
‘“‘Le Bulin, Bulinus’’ ADANSON, 1857, ‘Hist. Nat. Sénégal, Hist. des Coquillages,’ 
p. 5, Pl.1. Type locality: Podor, Senegambia. 
Bulinus senegalensis O. F. Mitumr, 1781, Der Naturforscher, Halle, XV, p. 6. 
Bullinus senegalensis OKEN, 1815, ‘Lehrb. d. Naturgesch,,’ ITI, 1, p. 303. 
Bulinus adansonit J. E. Gray, 1850, in M. E. Gray, ‘Figures of Moll. Animals,’ 
IV, p. 119 (based on Adanson’s Bulin). 
Physa senegalensis BOURGUIGNAT, 1856, Rev. Mag. Zool., (2) VIII, p. 288; 1856, 
‘Aménités Malacologiques,’ I, p. 177. 
_ Bullinus bullin “ Adanson”’ Patuary, 1909, Mém. Inst. Egyptien, VI, 1, p. 51. 
New name for Bulinus adansoni Gray. 
Marécages de Podor, Senegal (H. Vignou Coll., 1872); No. 64128, 
AYN. BoP. 
As the genotype of Bulinus is not well known, we venture to give 
some details of specimens from Adanson’s type locality. They agree 
fully with Adanson’s excellent account of this species. 
The shell is perforate, the whorls rounded, with sculpture of nearly 
regularly spaced low axial threads, more or less. fine striation between 
them. The suture is well impressed. Aperture ovate, the outer lip 
