smith: new land-shells from new guinea. 287 



24. Perrieria clausilh'foniiis, Cancfri. 



25. Cyclotus distomellus, Sow. (var. passing into ^^«^!^fa^^<s, Pfr.). Andai. 

 2fi. Leptopoma Oimiellii, Cauefri. Andai. 



27. Bellardiella Martensiana, Cancfri. 



28. Pupina Papuana^ n.sp. Andai. 



29. Pupina nasuta, Smith. Humboldt Bay. 



30. Helicina splmroconiis, MolldfF. 



31. Helicina parva, Sow., var. (one specimen). Island of .Jobic, 



Geelvink Bay. 



32. Helicina Johiensis, Canefri. Ron and Jobie Islands, Geelvink Bay. 



33. Truncatella gracilenta, n.sp. Andai. 



DESCRIPTIONS OF SPECIES. 

 1. Rhytida Tkobriandensis, n.sp. PI. XVII, Figs. 1-3. 



Testa depressa, orbicularis, aperte umbilicata, tenuis, olivacco- 

 flavescens, lineis obliquis sinuosis olivaceo-rufescentibus gracilibus 

 remotis picta, nitens, lineis inerementi obliquis exilibus striiscjuc 

 spiralibus microscopicis confertis sculpta ; spira fere plana, apice 

 obtuso, vix elato ; anfractus 4A, celeriter crescentes, leviter convexius- 

 culi, ultimus latus, baud descendens ; apertura obli({ua, late lunata, 

 intus cajruleo-albida ; peristoma tenue, simplex, marginibus conniven- 

 tibus; umbilicus perspectivus, diam. totius basis \ ada)quans. Diam. 

 maj. 17, min. 15, alt. 9 mm. ; apertura 8 mm. longa, 6 lata. 



Ilah. — Trobriand Island. 



Flatter than R. Franklandiemis, Forbes, and less distinctly striated. 

 More deeply umbi Heated and with a less sunken spire than R. veronica, 

 Pfr., from the Solomon Islands. 



2, MACROcnLAMYS DoHEETTi, n.sp. PI. XVII, Figs. 4-6. 



Testa anguste perforata, orbicularis, supra depresse conoidea, nitidi- 

 uscula, subpellucida, pallide fusco-cornea, infra polita ; anfractus bh^ 

 lente accrescentes, convexiusculi, infra suturam linea angusta 

 pellucida marginati, stiiis inerementi tenuissimis obliquis arcuatis 

 sculpti, ultimus in medio postice obtuse angulatus (angulo antice 

 evanescente), baud descendens; apertura ol)li([ue lunata; peristoma 

 intus costa pallida conspicua incrassatum, margine columellari anguste 

 reflcxo. Diam. maj. V25, min. 11mm.; alt. 7'5mm. 



Hah. — Andai, New Guinea. 



Smaller than M. Papuana, Smith, with a slightly more conical spire, 

 and angulated body-whorl, and a distinct rib-like tliickening within 

 the peristome, which is seen externally through the substance of shell. 



3. AEiopnANTA (Hemiplecta) Andaiensis, n.sp. PI. XVII, Figs. 7, 8. 



Testa depresse couica, acute carinata, angustissime umbilicata, 

 dilute fuscescens, infra carinam pallidam zona angusta rufa cincta, 

 supra sericata, infra polita ; spira depresse conoidea, ad apicem leviter 

 obtusa ; anfractus 6, lente crescentes, superiores tres convexiusculi, 



