s Donax.]

[Footnote 16: V. corbis, _Lam_.]

[Footnote 17: As Tapes.]

[Footnote 18: V. textile, _Lam_.]

[Footnote 19: ? Arca Helblingii, _Chemn_.]

[Footnote 20: Mr. Cuming informs me that he has forwarded no less than
six distinct _Uniones_ from Ceylon to Isaac Lea of Philadelphia for
determination or description.]

[Footnote 21: M. smaragdinus, _Chemn_.]

[Footnote 22: As Avicula.]

[Footnote 23: The specimens are not in a fitting state for positive
determination. They are strong, extremely narrow, with the beak of the
lower valve much produced, the inner edge of the upper valve
denticulated throughout. The muscular impressions are dusky brown.]

[Footnote 24: An Anomia.]

[Footnote 25: The fissurata of Humphreys and Dacosta, pl. 4--E. rubra,
_Lamarck_.]

[Footnote 26: B. Ceylanica, _Brug_.]

[Footnote 27: P. Tennentii. "Greyish brown, with longitudinal rows of
rufous spots, forming interrupted bands along the sides. A singularly
handsome species, having similar habits to _Limax_. Found in the valleys
of the Kalany Ganga, near Ruanwelle."--_Templeton_ MSS.]

[Footnote 28: Not far from bistrialis and Ceylanica. The manuscript
species of Mr. Dohrn will shortly appear in his intended work upon the
land and fluviatile shells of Ceylon.]

[Footnote 29: As Ellobium.]

[Footnote 30: As Melampus.]

[Footnote 31: As Ophicardelis.]

[Footnote 32: M. fasciolata, _Olivier_.]

[Footnote 33: These four species are included on the authority of Mr.
Dohrn.]

[Footnote 34: N. exuvia, _Lam_. not _Linn_.]

[Footnote 35: Conch. Cab. f. 1926-7, and N. melanostoma, _Lam_. in
part.]

[Footnote 36: Chemn, Conch. Cab, 1892-3.]

[Footnote 37: N. glaucina, _Lam._ not _Linn._]

[Footnote 38: Not of _Lamarck_. D. atrata. _Reeve_.]

[Footnote 39: Philippia L.]

[Footnote 40: Zeit. Mal. 1846 for T. argyrostoma, _Lam._ not _Linn._]

[Footnote 41: Buccinum pyramidatum, _Gm._ in part: B. sulcatum, var. C.
of _Brug_.]

[Footnote 42: Teste Cuming.]

[Footnote 43: As Delphinulat.]

[Footnote 44: P. papyracea, _Lam._ In mixed collections I have seen the
Chinese P. bezoar of _Lamarck_ as from Ceylon.]

[Footnote 45: P. vespertilio, _Gm._]

[Footnote 46: R. albivaricosa, _Reeve_.]

[Footnote 47: M. anguliferus var. _Lam._]

[Footnote 48: T. cynocephalus of _Lamarck_ is also met with in Ceylon
collections.]

[Footnote 49: S. incisus of the Index Testaceologicus (urceus, var.
_Sow_. Thesaur.) is found in mixed