219 



Has a general resemblance to what is usually regarded as C. similis, 

 but is more solid, more inequilateral, more obliquely truncated pos- 

 teriorly, beaks more conspicuous, color paler, grooves coarser, cardi- 

 nal teeth less developed. (<\ solidula, Prime, must also nearly corre- 

 spond in its characters. 



05^- Vol. vi. 11, (October, 1856.) 



Helix [Corilla] repercussa. T. sinistrorsa, discoidea, supra 

 planulata, infra concava, plicato-striata et lineis volventibus superne 

 insculpta, castanea ; anfrac. utroque 6 -f , ultimo vix angulato, prope 

 aperturam denecto : apertura despiciens, oblique lunata, peritre- 

 mate reflexo, postice callo angulato juncto ; lamellis palatinis duabus 

 intro volventibus, quarum una ad angulum inconspicua. Diam. 1 ; 

 alt. t 3 q poll. From Tavoy and Mergui. Rev. J. Benjamin. 



Compared with H. anguina [achatina], it is less distorted, more 

 elevated, concave beneath only, whorls more numerous and more 

 closely coiled, obtuse at periphery, not marbled in coloring. [Belongs 

 to the first section of the genus Plectopylis Benson.] 



Helix ramentosa. T. suborbicularis, depressa, tenuis, perforata, 

 fulva fascia fusca albo marginata ad peripheriam cincta, lineis incre- 

 mentalibus et sulcis decussantibus pariter obliquis granulata ; anfr. 

 5^ convexiusculis, ultimo obtuse angulato ; sutura valde" impressa : 

 apertura oblique oblongo-ovata ; peritremate postic& acuto, sensim 

 versus umbilicum reflexo, albo ; fauce rufescente. Axis half an inch ; 

 diameter |- inch. California ; from the cabinet of Dr. W. Newcomh. 



Agrees well with H. zonata, Pfr., in which the umbilicus is larger, 

 and no allusion is made to the rasp-like surface. 



Helix damascenus [is H. pandorce, Forbes (1850)]. 



Bulimus lepldus. T. parva, plerumque sinistrorsa, vix per- 

 forata, ovato-conica, elevata, polita, citrina ; anfr. 6 convexis, ultimo 

 ventricoso ; sutura bene impressa : apertura subcircularis ; peristo- 

 mate albo, reflexo, ad columellam dilatato, extremitatibus approxi- 

 matis. Axis, I ; diam. 1 poll. Mergui Islands. Rev. J. Benjamin. 



A pretty shell, grouping with laivus, Adamsli, and moniliferus, but 

 smaller, proportionally shorter and more ventricose, and differing 

 entirely in coloring, texture, and the broadly rounded form of the 

 aperture. 



Bulimus lautus. T. subperforata, oblique ovato-triangularis, 

 tenuis, eburnea longitudinaliter rufo-lineata ; suturis pallidis ; anfr. 

 6, ultimo ad peripheriam in carinam conrpresso, subtus versus umbili- 

 cum declivi et plicato : apertura oblique triangularis, ad angulum 

 laterali-basalem canaliculata ; peritremate expanso, intus incrassato, 

 albo, rosaceo vivide submarginata. 



Length, one inch ; breadth, half an inch. From the mountains of 

 Equador, near Quito; by Joseph P. Couthouy, Esq. 



