190 HELIX 8. 40. 
peristomate simplici, recto, tenui, acuto. — Diam. maj. 7—8, 
min. 615—715, alt. 3—4 mill.» (Lowe). 
Heliac calaihoides De Paiva wss. Lowe in Ann. and Mag. n. h. 
3d. ser. XII. (Nov. 1863.) p. 338. 
Legitur semifossilis in insula Deserta australi «Bugio» dicta. 
1026. H. Lizardensis Pfr. 
T. umbilicata, conoideo -lenticularis, solida, carinata, con- 
ferte costulato-striata et lira filiformi juxta carinam posita in- 
structa, cerea; spira conoideo-convexa; sutura carinato-exserta; 
anfr. 8 planiusculi, lentissime accrescentes, ultimus basi con- 
vexiusculus, ruditer striatus; umbilieus mediocris, profundus, 
l/, diametri vix aequans; apertura subverticalis, anguste an- 
gulato-lunaris; perist. simplex, rectum, margine basali leviter 
et regulariter arcuato. — Diam. maj. 7!/,, min. 7!/,, alt. 3 mill. 
(Coll. Nr. 412.) 
Helio Lizardensis Pfr. im Proc. Zool 18623. p. 269. 
Habitat in insulis Lizardensibus Australiae (Macgillivray). 
Obs. Affinis H. clathratulae Pfr., sed major, planior, umbilico multo 
minore, striis minus elevatis, carina peripherica acutiore, carina altera 
dense approximata. 
* 
1027. (130. elathratula Pfr. (Coll. Nr. 413.) Bens. in Ann. and Mag. 
n. h. 3d. ser. V. (Apr. 4860) p. 247. —  Patula A?. 86. — 4H. 
Puteolus Bens. olim. — Ceylon. (III. 145.) 
1028. (731. retexta Shuttl. (Col. Nr. 414.) .Patula A?. 86. — Ins. 
Palma. (IIl. 445. IV. 4416.) 
1029. H. gyrina Gassies. j 
«T. late et profunde umbilicata, discoidea, lenticularis, 
carinata, oblique regulariter striata, brunnea, nitida; sutura sat 
profunda, ad anfractum praecedentem subcarinata; apertura 
rotundato-ovalis; perist. simplex, acutum. — Alt. 3, diam. 5 
mill.» (G. gall.) 
Helio gyrina Gass. in Journ. Conch. VII. 1858. p. 369 
Habitat in insula Pinuum Novae Caledoniae (Magen). 
1030. H. fabrefacta Pease. |j 
«H. t. lenticulari, solidiore, late et profunde umbilicata, 
acetabuliformi, albicante, cretacea, sordida, inaequaliter et irre- 
gulariter radiatim fusco-castaneo strigata vel maculata; apice 
elevato; spira concava; anfr. 7, juxta margines depressis seu 
suleatis, ultimo acute carinato, deinde planulato, ad umbilicum 
