542 IIELIX. 



deflexus, infra convexus; apertura obliqua, basi recedens, sub- 

 circularis; peristoma simpiex, rectum, acutum, margine colu- 

 mcllari reflexo, dilatato. — Alt. IV3» diam. maj. l^^/g; apcrt. 

 alt. et lat. 7^ mill.» (J.) 



Helix Brucei (Punctum?) J«c/ie/i Moll. Nordost-Afr. 1874. p. ;37. 

 t. 4. f. 19. 



Habitat prope Mekerka Abyssiniae. 



§. 48. 



973. McSltac Gass. — Post verba : hirsutis, argenteis adde : unicolor, 

 castanea; anfr. — — — 



984\ H. dccorticata (Pitys) Garrett. •{. 



«Testa subdiscoidea, aperte umbilicata, tenuis, subpellucida, 

 cinerea sub epidermide fusco-cornea, adulta decorticata, rarius 

 strigulis {(idashesf)) radiantibus rufis notata, arcuatim coslata: 

 costis lamellaribus, regularibus, subconfertis, in basi continualis, 

 interstitiis subtilissime striatis; spira plano-convexa; sutura ca- 

 naliculata; anfr. 5, convexi, lentc accrescentes, ultimus superne 

 convexe declivis, sublus rotundatus, peripheria obsolete angu- 

 laris; umbilicus profundus, anfractus monstrans, circa Y^ dia- 

 metri occupans; apertura obliqua, orbiculato-luniformis; perist. 

 simplex, tenue; regio parietalis tenuissime callosa. — Diam. 4, 

 alt. 2 mill. » (Garr. angl.) 



Pitys decorticata Garr. in Amer. journ. conch. VII. 1872. p. 228. 

 t. 19. f. 19. 



Patula decorticata Schmeltz Mus. GodeCTr. cat. V. p. 93. 

 Habitat Rarotonca, Cook's Isles. 



'O-') 



984'^. H. Harvcycsjsis (Pitys) Garrctt. •(• 



«Tcsta subdiscoidea, umbilicata, tenuis, subpellucida, virenti- 

 cinerea, rufo arcuatim tessellata, dense et subtilissime plicato- 

 striata: striis obliquis, sinuosis, basi minus distinctis; spira 

 plano-convexa; sutura canaliculata; anfr. 5, plano-convexi, lente 

 et regulariter accrescentes, ultimus obtuse angulatus, superne 

 declivis. subtus convexus; umbilicus mediocris, profundus, an- 

 fractus monstrans, V4 diametri occupans; apertura orbiculato- 

 luniformis; perist. tenue, simplex. — Diam. 4^^, alt. 2 mill. » 

 (Garr. angl.) 



Pitys Harveyensis Garr. in Amer. journ. conch. VII. 1872. p. 228. 

 t. 19. f. 20. 



Patula Harveyensis Schmeltz Mus. Godeffr. cat. V. p. 93. 

 Ilabitat Rarotonga, Cook's Islcs. 



