98 PROCEEDINGS OF TUE MALACOLOGICAL SOCIETV. 



Drym^us alabasteinus, n.sp. PL XI, Fig. 4. 



Testa fusiformi-ovata, late et prof uncle rimato-perforata^ nitida, 

 translucida, alba, laevigata, sub lente transversim minute striata ; spira 

 subacuta, elongata, apice acutiusculo, pallide roseo ; anfract. 7^, 

 leviter convexi, ultinius convexiusculus, f longitudinis sequaus ; sutura 

 impressa, fere horizontalis ; columella recta, late reflexa, dilatata ; 

 apertura ovata, etf usa ; perist. album, late expansum et reflexum. 

 Long. 33, diam. 15 mm. ; apertura cum perist. 15 mm. longa, 10 lata. 



Hah. — Honda, Colombia. 



A shell that reminds one of some of the forms of D. trigonostomns, 

 Jonas, from Venezuela. It differs, however, from that species, both 

 in the outline of the spire and the ovate and smaller aperture. 

 Besides the very fine spiral striae already referred to, the surface 

 exhibits the usual oblique lines of growth, 



Drym^us Rosenbergi, n.sp. PL XI, Fig. 6. 



Testa acuminato-ovata, anguste umbilicata, vix solidiuscula, nitida, 

 albida, strigis irregularibus castaneis ornata ; spira acutiuscula, anfrac. 

 6, modice convexi, sub lente tenuissime striati, ultimus y longitudinis 

 aequans ; apertura parum obliqua, acurainato-ovalis ; perist. tenue, 

 luteum, margine exteruo anguste expanse, columellari dilatato et 

 reflexo. Long. 20-5, diam. 9 mm. ; apertura 9 mm. longa, 5 lata. 



Hah. — Pozuzo, Eastern Peru. 



The writer, after searching the records of Pfeiffer and Pilsbry, as 

 well as among the collections of D'Orbigny and others in the British 

 Museum, concluded that this elegant little Drymams was a new 

 species and deemed it worthy of description. 



Drymjeus castaneo-strigatus, n.sp. PL XI, Fig. 5. 



Testa oblongo-conica, anguste umbilicata, solidiuscula, laevigata, 

 albida, strigis irregularibus castaneis ornata, strigis in anfractu ultimo 

 ad basim non attingentibus ; spira subobtusa; anfrac. 6, convexiusculi, 

 ultimus \-\ longitudinis aequans ; sutura impressa ; apertura ovalis, 

 intus lutescens ; perist. tenue, anguste expansum, margine dextro 

 luteo, columellari dilatato et reflexo. Long. 19, diam. 8-5 mm.; 

 apertura 8-5 longa, 4-25 lata. 



Hah. — Pozuzo, Eastern Peru. 



This shell somewhat resembles B. Rosenhergi, but differs in having 

 a blunter spire, more convex whorls, and notably in the stripes 

 terminating before reaching the base of the shell. 



Neocyclotus Peruvianus, n.sp. PL XI, Figs. 7-9. 



Testa ampliter aperte umhilicata, depressa, ustulato-fusca, supra 

 peripheriam fascia angusta fulva cingulata, infi'a saturate late fasciata; 

 anfract. 4^, convexi, ad suturam impressi, oblique filoso-striati ; 

 apertura oblique circularis, albo-cserulescens. Diam. maj. 38, miu. 

 29 mm. 



Hah. — Pozuzo, Eastern Peru. 



There is a certain resemblance between this shell and N. cingulatm., 

 Sowb., from Colombia, but it is less openly umbilicated ami not so 



