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PELECYPODA. 93 
inequilateralis, concentrice striata; margo dorsalis anticus 
leviter arcuatus, posticus valde declivis. 
Antero-post 16, umbono-marg. 5 millim. 
Hab. Durban. 
A thin iridescent species, somewhat resembling T. 
Valtonts. 
TELLINA VULSELLA, Chemnitz, Thes. Conch., vol. 1., pl. 61, 
fig. 162.—Natal. 
Tetiina (Macoma) cANDIDATA, Sowerby (pl. vi., fig. 25), 
Journal of Conchology, vol. vil., p. 12, April 1894.—Durban. 
STRIGILLIA TROTTERIANA, Sowerby (pl. 6, fig. 32), 
Journal of Conchology, vol. vil., p. 12, April, 1896.—Durban. 
Donax nitipus, Deshayes, Sow., Thes. Conch., vol. 3, 
p. 314, pl. 282, fig. 75 Natal. Also East Australia. 
Donax LuBricus, Hanley, Reeve, ‘‘ Conch. Icon.” (Donax), 
pl. 7, fig. 46.—Natal. 
Donax =MULUS, Smith, Proc. Zool. Soc., 1877, p. 271, 
pl. 75, figs. 23-25.—Durban. 
Donax Burnupi, Sowerby (pl. 6, fig. 26), Journal of 
Conchology, vol. vii., p. 14.—Natal. 
Donax SIMPLEX, Sowervby, n. sp. (pl. 8, fig. 18, 19). 
Testa cuneiformis solida, postice tumida, antice attenuata, 
luteo albida, radiatim striata; striis confertis, puncturatis, 
antice evanidis; umbones obtusi; margo dorsalis anticus 
oblique declivis, posticus sub rotunde truncatus, ventralis 
rectiusculus. 
Antero-post 7, umbono-marg. 5, crass. 3 millim. 
Hab. Umzinto, Natal. 
This shell is somewhat similar to D. emulus Smith, but 
the posterior side is more tumid and rounded. 
Donax FABA, Chemnitz, Sow., Thes. Conch., vol. ili, 
p- 312, plate 283, figs. 108, 109.—S. Africa. 
CyTHEREA (TIVELA) TRANSVERSA, n. sp. (plate 7, figs. 
2 and 3). Testa transverse oblonga, crassiuscula, leviter 
compressa, fere eequilateralis, utrinque leviter acuminata, 
leviuscula, nitens, albida, dilute fusco radiata et fasciata ; 
umbones acutiusculi; margo dorsalis utrinque declivis, 
ventralis arcuatus; cardo normalis; pagina interna roseo 
tincta ; impressiones musculares fuscia, sinu pallil producto. 
