297 
levigata, pellucida, virenti-hyalina ; spira parum elevata, obtu- 
sula; anfract. fere 4 conveviusculis, ultimo ad suturam levem, 
marginatam distanter radiato-striato, basi rotundato, latiusculo ; 
apertura diagonali, lunato-rotundata ; perist. simplice, margine 
dextro‘antrorsum subdilatato, columellari perarcuato. 
Diam. maj. 7, min. 54, alt. 35 mill. 
Hab Moreton Bay, Australia (Strange). 
50. Succinea sTRIGATA, Pfr. SS. testa ovato-acuminata, tenui, 
longitudinaliter striata, vir nitidula, rufo-cornea, strigis angustis 
pallidis ornata; spira conica, acutiuscula ; anfract. 3 convezis, 
ultimo 3 longitudinis subequante, inflato ; columella callosa, sub- 
stricta, parum recedente; apertura obliqua, subregulariter ovuli, 
vie angulata, preter partem supremam incumbente ; perist. sim- 
plice, marginibus callo junctis, subequaliter arcuatis. 
Long. 94, lat. 63, alt. 4 mill. 
Hab. Port Clarence, Behring’s Straits. 
51. Succinea puncrata, Pfr. 8S. testa depresse ovata, longi- 
tudinaliter regulariter striata, rugis nonnullis elevatioribus, nitida, 
pellucida, virenti- vel rufo-fusca, seriebus arcuatis punctorum 
luteorum ornata ; spira brevi, conica; anfract. 25, penultimo con- 
vero, ultimo magno, dilatato ; columella subcallosa, leviter arcuata, 
angulum obtusum formante ; apertura obliqua, ovali, incumbente, 
superne subangulata, intus concolore, punctis pellucentibus; perist. 
simplice, levissime expansiusculo. 
Long. 17, lat. 114, alt. 7 mill. 
Hab. Hawaii, Sandwich Islands (Newcomb). 
52. Succinea Newcomsi, Pfr. S. testa subsemiovali, tenut, striis 
incrementi confertis et rugis nonnullis fortioribus, lineisque spira- 
libus irregularibus, minutis sculpta, parum nitida, corneo-rubella 
vel pallide cornea; spira minuta, papillata ; anfract. 2, ultimo 
magno, subinflato, fere totam testam formante ; columella subcal- 
losa, regulariter arcuata; apertura parum obliqua, rotundato- 
ovali, non omnino incumbente, intus submargaritacea ; perist. 
simplice, marginibus fere symmetricis. 
Long. 12, lat. 10, alt. 6 mill. 
Hab. Molokai, Sandwich Islands (Newcomb). 
53. SuccinEA TOMENTOSA, Pfr. 8S. testa oblongo-conica, tenui, 
pilis brevibus tomentosa, non nitente, pellucida, pallide cornea ; 
spira conica, acuta ; anfract. 3, secundo convexo, ultimo % longi- 
tudinis formante, basi attenuato; columella subcallosa, levissime 
plicata, arcuata ; apertura parum obliqua, acuminato-ovali, subin- 
cumbente ; perist. simplice, expansiusculo. 
Long. 8, lat. 5, alt. 32 mill. 
Hab. New Zealand (Strange). 
54. SucciNgEA CEYLANICA, Pfr. 8S. testa ovato-conica, solidula, 
distincte striata, diaphana, hyalino-albida, plerumque luto obducta ; 
