HELIX-CHLORITIS. 267 



Last whorl distantly longitudinally corrugated, and subcarinated 

 at the periphery ; color corneous or reddish biown ; surface pubes- 

 cent, covered with very short, very close hairs. 



Alt. 8, greater diam. 14, lesser 12 mill. (Tapp. Can.) 



Am Js. } near New Guinea. 



H. oceulta PFR. P. Z. S. 1860, p. 22; Mai. Bl. 1860, p. 238; 

 Monogr. Hel. Viv. v, p. 380. Dorcasia oceulta WALLACE, P. Z. S. 

 1865, p. 408. H. (Dorcaia) oceulta PFR. Nomeucl. Hel. Viv. p. 

 188. TAPPARONE CANEFRI, Ann. Mus. Civ. Genova, xix, p. 112, 

 t. 2, f. 18-20, 1883. 



Distinguished from Dorcasia similaris by the hairy epidermis, 

 etc. It seems to belong with H. brevipila etc., of Australia. 



H. CHLORITOIDES Pilsbry. PL 58, figs. 34, 35, 36. 



Shell small, thin, umbilicated, depressed ; the spire only a trifle 

 convex ; light horn-color, tinged with brown. Hair-scars close and 

 fine on the apical whorl, sparse on the body-whorl, arranged in ob- 

 lique rows. 



The shell is depressed, inner whorls of the spire not raised ; whorls 

 4*, very convex, the sutures deeply impressed. Last whorl some- 

 what descending in front. Aperture oblique, rounded, a little lunate, 

 lip expanded, flesh-colored, baso-columellar margin reflexed, whiter ; 

 terminations approaching. Umbilicus one-sixth the diameter of 

 shell. Alt. 6 J, greater diam. 12, lesser 10 mill.; width of umbili- 

 cus 2 mill. ; width of aperture (including peristome) 7 mill., alt. 



51-6 mill. 



Neiv Guinea. 



Much more depressed than H. aridorum, etc. ; more widely um- 

 bilicated than H. oceulta. The exact locality in New Guinea is not 

 known. The specimens were collected by Mr. Wm. Denton when 

 travelling in New Guinea. 



4. Subsection Trichochloritis Pilsbry, 1891. 



Shell depressed, rather thin, the spire low-convex or plane, last 

 whorl not carinated, but usually obtusely angled around the umbili- 

 cus ; but little deflexed in front ; epidermis not deciduous ; apex, as 

 well as the whole shell, hirsute or marked by hair-scars arranged in 

 regular lines. Lip narrowly expanded or reflexed. Type H. bre- 

 viseta Pfr. 



Geographical distribution, southern China and Burmah south to 

 the Malay Peninsula ; Mindanao and Mindoro, Philippine Is. 



