HELIX 8. 59. 205 
sita; spira planata, obtusa, apice haud prominulo; sutura pro- 
funde impressa; anfr. 5, convexiusculo-plani, primi 41!/ laevi- 
gati, pallide fulvidi, ultimus vix descendens, supra peripheriam 
acute carinatus, mox subinflatus, convexus, fascia macularum 
rufarum obscure cinetus, oblique rugato-striatus, cirea umbilicum, 
striis destitutam obtuse subangulatus; apertura subhorizontaliter 
diagonalis, ovato-lunaris, intus albida; perist. album, marginibus 
remotis, columellari fornicatim subdilatato, breviter reflexo, ex- 
terno subattenuato. — Diam. maj. 32, min. 27, alt. 44 mill. 
Apert. 13 mill. longa, 9 lata.» (C.) 
Helio Napensis Crosse in Journ. Conch. XIX. 1871. p. 228. 314. 
Iordi3. A. 
Habitat in republica Aequatoris: in via e Quito ad Napo de- 
ducente reperta (Orton). 
1261. Hi. Ifovwvinsulae Cox. 4 
« Testa peranguste sed aperte umbilicata, lenticularis, tenuis, 
saturate brunnea; spira plano-conoidea; sutura marginata; anfr. 6, 
superne plane extrorsum stantes, plicis prominentibus epider- 
midis crassae fusco-corneae, ad peripheriam in fimbriam pro- 
minentem terminatae ruditer striata, subtus cornei, laevigati, 
nitidi; absque plicis epidermidis, ultimus antice non descendens, 
acute carinatus; sutura angusta, profunda, fimbriato-marginata ; 
apertura oblique rotundato-lunata, ad peripheriam angulata; 
margines simplices, tenues, ad peripheriam carinatam inserti, 
columellaris ad insertionem iriangulatim dilatatus, umbilicum 
semitegens. — Diam. max. 14,17, min. 4,08, alt. 0,80 poll.» 
(C. angl.) 
Helix Howinsulae Coa in Proc. Zool. Soc. 1873. p. 148. 
Habitat Lord Howe's Island. 
* 
1262. Hidalgoiana Crosse. | V. 185. — Oceania. 
1268. H. Hemphillii Newcompb. | 
«H. testa sublenticularis, late umbilicata, tenuiuscula, cor- 
neo-albida cum fuscis lineis obscuris picta, transversim rugoso- 
Siriata, apice obtusa; anfr. 5, supra convexi vel planulati, ultimus 
acute carinatus vel bicarinatus, descendens, basi convexus et 
in longitudinem tenuissime striatus; umbilicus profundus, per- 
Spectivus; peristoma simplex; apertura diagonalis, fere rotunda. 
— Jun. acute carinatae; basi perconvexae, omnino hirsutae 
cum brevissimis setis. — Diam. maj. (adult) 0,625, min. 0,55, 
alt. 0,40 poll.» (N.) 
