HELIX 8. 53. 291 
Helic parvidens Pease in Proc. Zool. Soc. 1861. p. 243. 
Habitat in insula Taiti. 
»* 
1316. (970. daedalea Gould. — Endodonta A?, 90. — Taheiti, Ma- 
tea. (I. 186.) 
1917. H. hystricella Pfr. 
T. umbilicata, discoidea, tenuiuscula, subconferte costato- 
plicata, albido et rufo irregulariter radiata; spira plana vel 
medio immersa; anfr. 6 infra suturam turgidi, ultimus rotun- 
datus, non descendens; umbilicus !/4 diametri occupans; aper- 
tura obliqua, rotundato-lunaris, lamellis 6 acutis coarctata: 2 
aequalibus in ventre anfractus penultimi, 4 in margine basali 
et dextro; perist. simplex, rectum. — Diam. maj. 6, min. 5!/, 
alt. 2!5 mill. (Mus. Cuming.) 
Helio hystricella Pfr. in Proc. Zool. Soc. 1889. p. 25. (Malak. 
Bl. 41889. p. 41) 
Habitat in insulis Sandwich. (Dr. Frick.) 
Obs. Persimilis H. hystrici Migh., a qua differt costulis minus con- 
fertis et lamellis aperturae. 
1918. EH. hystricelloides Mousson. 4| 
«T. parvula, umbilicata, depresso- rotundata, transversim 
et curvatim striato-costulata, zonis albis et corneo-griseis radia- 
tim picta. Spira depressa, plane involuta, regularis; summo 
minutissimo, non emergente; sutura acute impressa. Anfr. 5!/, 
lente accrescentes, subinflato-convexi; ultimus sensim descen- 
dens, subrotulaeformis, subtus rotundatus. Apertura verticalis, 
lunato-circularis, intus lamellis 6 ornata, 3, media minore, in 
pariete, 3 in palato aperturali dispositis. Perist. rectum, acu- 
tum; margine recto, in medio paulo incurvato, columellari non 
reflexo, cum supero lamina tenui, lamellis perspicuis ornata, 
juncto. Umbilicus pervius, !/j diameti aequans. — Diam. 
maj. &!/,, min. 33/4, alt. 2!/, mill.» (M.) 
Patula hystricelloides Mouss. in Journ. Conch. XIII. 1865. p. 169. 
1; ob: £416. 
Habitat in insula Upolu (Gráffe). 
* 
1319. (971) sexlamellata Pfr. (Coll. Nr. 594.) Endodonta A?. 90. — 
Ins. Gambier. (I. 186.) 
1320. (972. Oparica Ant. (Coll. Nr. 595. Endodonta A4? 90. — 
Opara. (L 186.) 
1321. (973.) Leimonias Gray. (Coll. Nr. 596.) Laoma A?. 100. — Nova 
Seelandia. (III. 444.) 
