158 AMERICAN JOURNAL 



One specimen only was obtained with Bulimus Berendti, Tore 

 Rapids. 



24. Glandina 



Woods near Grenada. 



25. Glandina rosea, Fer. , 



Throughout the savanna region, sheltering under the leaves of 

 pinnellas [Bromelia pinguis). Grenada, Masapa, San Ubaldo, &c. 



26. Glandina Dysoni, Pfr. 



With Bulimus mimosarum in the fosse to the Castillo Fort, 

 also in the forest near Toro Rapids. 



27. Succinea inflata. Lea. 



Dead shells, San Nicolas and San Ubaldo. It inhabits also 

 the southern States of the American Union. 



28. Succinea recisa, Morelet. 



On the marshy borders of the river San Juan and Lake Nica- 

 ragua, at San Carlos ; on wet rocks at the waterfall, Javali 

 brook, Chontales. It is recorded from Panama. 



29. Vaginulus Floridanus, Binney. 



Under stones, Javate, Chontales ; probably the same species, 

 but twice the size ; Toro Rapids. Inhabits Florida. 



30. Physa squalida, Morelet. 



Pools bordering Lake Nicaragua at Grenada, and in a creek 

 of the San Juan, Toro Rapids. 



31. Physa purpurostoma, Tristram. 



Var. ventricosa. In a small stream at San Nicolas. 



32. Velletia excentrica, Morelet. 



Pools and streams, on aquatic plants, Chontales district, San 

 Nicolas, and San Augustin. 



33. Planorbis tumidus, Pfr. 



Lake Nicaragua, and the river San Juan to its mouth. The 

 above localities mark for the present the southf^rn limit of this 

 species, which ranges through Gautemala and Mexico to Texas, 

 and occurs in Cuba. 



34. Planorbis kermatoides, d'Orb. 



Planorhis Buenasianus, Tristram. 

 Marshy pools, San Augustin, near Acoyapa. 



