281 



93. Melania [Plotia] datura. 



Melania datura, Dohrn, P. Zool. S. 1858, Ceylon, long. 21, diam. 11 mil. ; 

 Con. Indica, pi. 73, fig. 10. 



M. Brot unites, as a variety, the forms from Ceylon figured 

 in the Con. Indica, pi. 110, fig. 7 as M. scabra, var. spinulosa 

 and fig. 10, as M. acanthica^ Dohrn ; this is, I think, more than 

 doubtful, as also, I consider, is his statement that the three forms 

 are found together ; this is quite opposed to all I know on the 

 subject, and it would be desirable if the Professor would give 

 his authority for the statement. 



2 Ceylon ; coll. H. Nevill, Esq. 



94. Melania [Plotia] acanthica. 



Melania acanthica, Lea, P. Zool. S. 1850, Manilla and Negros, long. 0'8 

 diam. 0'4. 



var. roepstorffiana, nov. 



3 Andamans [type var.] ; coll. F. A. de Roepstorff, Esq. 

 Long. 18f, diam. 9| mil. ; anfr. 7. 



Very near M. Brot's'pl. 28, fig. 10A. [Philippines]. 



subvar. brevispira, nov. 



4 Andamans ; coll. F. A. de Koepstorff, Esq. [12|, 6f]. 



subvar. subscabra, nov. 



2 Andamans ; coll. F. A. de Roepstorff, Esq. [14 J, 7f ]. 



A connecting link with Mel. scabra, the spines being rather 

 less developed. 



95. Melania [Plotia] scabra. 



Buccinum scabrum, Miiller, Hist. Verm. 1774, Coromandel ;=M. spinulosa, 

 Lamarck, Hist. 1822, Timor, long. 10 lignes ; fide Brot, = M. doreyi- 

 ana, Lesson, 1830, Nouv. Ouinee, long. 8, diam. 3 lignes ; fide Srot = 

 M. denticulata, Lea, P. Z. S. 1850, I. Negros [not of Eeeve ] ; var. 

 = M. cochlea, Srot, Conch.-Cab. II, 1874, pi. 27, fig. 10, "India," 

 [as of Lea, P. Z. S. 1850, Sab. ?] ; var. = M. myurus, Brot, Rev. 

 Zool. I860, type Java, also Halmaheira \Landauer~\ and Borneo [Issel} 



