* 
W. Stimpson on the so-called Melanians of N. America, 51 
Amnicolide) “The American Melaniide, so far as I know, have 
‘ot a fringed mantle, and consequently belong to a different 
group.” 
Finally, we have the recent paper of Professor Haldeman, 
“On Strepomatide as a name for a family of fluviatile Mollusca 
usually confounded with Melania.”* Prof. H. here says that 
he had formerly “ proposed, in accordance with the position as- 
‘signed by Lamarck to his family Mélaniens, to restrict the name 
Melania to the American group,” and that “it must not be for- 
gotten that Lamarck’s family of Mélaniens includes the three 
Another quotation from Prof. Haldeman’s paper: ‘“ Europeans 
are averse to giving up the name” for the oriental group; and 
as it is a matter of little scientific importance, if the Jamilies are 
properly recognized, I now reluctantly yield it to the oriental 
form, and consequently withdraw the American species from 
it.” With regard to this point, it may be remarked that the 
Testriction of the name to the old-world species is a matter not of 
_* Proceedings of the Acad. Nat. Sci. of Philadelphia, 1863, p. 273. 
* M. asperata truncat . sans Vert., vi, (1822), 164. 
aoe i see eT Deoe. A. WG. Yhil, 1868, p. 272, 
