118 



DIAGNOSES OF FOUR NEW SPECIES OF LAND SHELLS FROM 

 GERMAN NEW GUINEA. 



By C^SAR li. BOETTGEK. 



Read 13th March, 1914. 



PLATE III. 



The following four new species of pulmonate laud sliells were 

 collected, together with other -well-known species, at Sattelberg, 

 near Finsehhafen, German New Guinea, and presented to rae by 

 the late U. Stahlberg of Schwerin, Mecklenburg. The types are 

 preserved in my private collection. 



1. Hp:licaiiion jStov^guine^, n.sp. PI. Ill, Figs. 1-2. 



Testa imperforata, tenuis, cornea, nitens, lineis accresceutibus 

 indistinctis anguste striata. Anfractus 5, convexiusculi, celeriter 

 accrescentes, sutura subplana, linea impressa comittata separati ; 

 ultimus non descendens. Ajjertura ovata, obliqua ; peristoma simplex, 

 acutum. Alt. 9, diam. niaj. 15, min. 12 mm. ; apertura, alt. 8, 

 lat. 9 mm. 



JJab. — Sattelberg, near Finschhafen, German New Guinea. 



Shell imperforate, thin, corneous, shining, striated by indistinct 

 lines of increment. Whorls 5, moderately convex, quickh' increasing 

 in size, separated by an almost flat suture, which is provided with an 

 impressed line ; the last whorl not descending in front. Aperture 

 ovate, oblique ; peristome simple, acute. 



2. Hemiplecta papctana, n.sp. PL III, Figs. 3-5. 



Testa umbilicata, applanata, carinatn, supra corneo-fusca, infra 

 pallidior, serieea, striis spiralibus minutissimis et costulis transversis 

 angustis minutissime cancellata, sub carina linea castanea basim 

 versus evanescente ornata. Anfractus 6, subplani, regulariter 

 accrescentes, sutura plana separati; ultimus non descendens. Apertura 

 angulato-ovata, obliqua, intus colore etpictura externa translucentibus ; 

 peristoma simplex, acutum. Alt. 14, diam. maj. 29, min. 24 mm.; 

 apertura, alt. IIA-, lat. 15 mm. 



Mab. — Sattelberg, near Finschhafen, German New Guinea. 



Shell umbilicate, flattened, keeled, corneous brown above and 

 lighter below, with a silky lustre, surface finely cancellated by very 

 minute spiral lines and narrow transverse riblets, under the keel 

 ornamented with a chestnut band, which becomes indistinct on the 

 underside. Whorls 6, almost flat, regularly increasing in size, 

 separated bj' a flat suture ; the last whorl not descending in front. 

 Aperture angulate-ovate, oblique, displaying the external colour and 

 painting ; peristome simple, acute. 



