240 PROCEEDINGS OF THE JIAEACOLOGICAL SOCIETY. 



IZab. — Ecuador. 



This shell with a few other examples was collected many years ago 

 by the late Mr. Clarence Buckley during his extensive travels in 

 Ecuador ; it bears at first sight a resemblance to S. Guerini, Pfr., 

 from which it differs in the strong reticulated sculpture on the whorls, 

 its swollen and obtuse spire, and especially in the angular form of 

 the base of the aperture, at its junction with the columella; moreover, 

 S. Guerini has hitherto been found only in Venezuela, and in the 

 opinion of both Mr. Reeve and Mr. Pilsbry is but a small variety of 

 S Moritzianus, a view in which the writer fully concurs. 



9. Xeocyclottjs Colombiensis, n.sp. PI. XXIV, Fig. 7. 



Testa depressa, subdiscoidea, ampliter aperte umbilicata, vivide 

 fulvescente-castanea, ad apicem rosacea, infra peripheriam saturate 

 late fasciata, supra et infra fasciam anguste nigro cingulata ; anfr 5, 

 ad suturas concavo-impressi, undique oblique filoso-striati ; apertura 

 oblique circularis. Diam. maj. 33*5, min. 25 mm. 



Hah. — Near Bogota, Colombia. 



This and a young example are the only specimens received. In 

 form and sculpture it resembles Cyclotus Dunkcri from the same 

 country ; but differs in respect to its colour, which in this species 

 is of a bright reddish tinge on the three upper whorls, and further 

 in the presence of a broad, dark peripheral band supplemented by 

 a black girdle below it. 



10. Xeoctclotus Caucaensis, n.sp. PI. XXIV, Fig. 9. 



Testa modice profunde umbilicata, subdiscoidea, vivide olivaceo- 

 virens, inferne albida, ad et infra peripheriam anguste fasciata ; 

 anfr. 4, ad suturas impressi, ultimus inferne canaliculars ; apertura 

 circularis ; perist. tenue, ad basim fissum. Diam. maj . 30, min. 23 - 5 mm. 



Hal. — Province Cauca, Colombia. 



Of the two specimens received of this singular shell one was returned 

 by the writer in hopes that others might be discovered, but without 

 result. In both of the shells sent the fissure on the lip occurs in 

 precisely the same place, just below the shallow canal that surrounds 

 the base : a similar fissure is found in N. giganteus, var. Fischer ianus, 

 Hid., from Ecuador, but that form has no canal on the base. 



EXPLANATION OF PLATE XXIV. 



Fig. 1. Drymaeus Cbiriquiensis, n.sp. 



,, 2. ,, obliquistriatus, n.sp. 



,, 3. ,, cylindricus, n.sp. 



,, 4. ,, subventricosus, n.sp. 



,, 5. ,, expansus, var. Pereneusis, n.var. 



,, 6. ,, Elsteri, n.sp. 



,, 7. Neocyclotus Colombiensis, n.sp. 



,, 8. Strophocheilus indentatus, n.sp. 



,, 9. Neocyclotus Caucaensis, n.sp. 



,, 10. Drymaeus exoticus, n.sp. 



