312 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 



35. Planokbis cultratus, D'Orbig:;ny. 



Flanorhis cultratus, D'Orbigny. — llamon de la Sagra's Hist. Cuba 



Moll., vol. i, p. 196, pi. xiv, figs. 5-8 ; Sowerby iu 



Reeve's Conch. Icon., vol. xx, fig. lOG; Clessin, Conch. - 



Cab., ed. 2, p. 148, pi. xxii, fig. 3. 



Hal. — Cuba or Martiniciuc (i)'()rb.) ; (iuadeloupc and Martinique 



(Clessin) ; St. Vincent (Sow.) ; " stagnant water near Erighton, 



southern end of the iisland" (H. H. S.). 



Mr. Smith remarks that this species is "less abundant tlian the 



other Planorhis " (P. lucidus). It is at once distinguished from that 



species by the sharp peripherial keel and flat spire. 



36. Planorbis LrciDUS, Pfeiffer. 



Flanorhis lucidus, Pfr. — Wiegmann's Archiv. f. Naturg. 1839, vol. v, 

 p. 354; Sowerby in Keeve's Conch. Icon., vol. xx, fig. 53; 

 Clessin, Conch. -Cab., ed. 2, p. 193, pi. xxix, fig. 2. 



Hah. — Cuba, Porto llico, Guadeloupe, Martinique (Clessin). "Stag- 

 nant water near Brighton, southcn-ii end of the island. Open places, 

 abundant, and many were found in mud along the margin, and under 

 logs, where the land is overflowed only during the rainy season. Not 

 observed elsewhere" (H. H. S.). 



P. lanierianus, D'Orbigny, from Cuba, and P. treniatus, Morelet, 

 from the Ishiud of Pines, otf" Cuba, appear to be inseparable from this 

 si^ecies. 



37. Melampus cingulatus (Pfeiffer). 



Auricula cin(/ulata. — Kiister, Conch -Cab., p. 40, pi. vi, figs. 4-6 ; 

 Sowerby, Conch. Icon., fig. 46. 

 Hal).— St. Vincent (Kobelt). 

 Quoted by Kobelt in his list of the species of this island, 



38. Keritina punctulata, Lamarck. 



Neritina punctulata. — Reeve, Conch. Icon., vol. ix, figs. A%a,h; 

 Martens, Conch. -Cab., ed. 2, p. 76, pi. v, figs. 12-15; 

 Tryon, Man. Conch., vol. x, p. 60, pi. xx, figs. 37, 38. 



Hah. — Many of the West Indian Islands and Mexico. " Mountain 

 streams, as high as 1,500 feet. Common in some, not found iu 

 others " (H. H. S.). 



This species was quoted from St. Vincent by the author of the 

 "Conchological Illustrations" nearly sixty years ago. The specimens 

 collected by Mr. Smith came "from the Cumberland River, about 

 1,000 feet." 



