150 HELIX §. 42. 43. 



anfr. 3V2, ultimus accresccns, convexus, superne ad aperlurani 

 leviler depressus, basi convexus , striis indistinclis rubello- 

 corneis notatus; unibilicus mediocris; aperlura fere diagonalis, 

 leviter ovato-lunata; perist. tenue , simplcx , marginibus appro- 

 ximatis, columellari superne levissime dilatato. — Diam. maj. 0.1 5^ 

 min. 0,11, alt. 0,06 poll. » (B. angl.) 



Helix Nelsonensis (Hyalina) Braz, in Proc. Zool. Soc. 1870. 

 p. G61. 



llabitat Mount Nelson Tasmaniae (W. F. Pelterd). 



846. H. decreta Gassies. ^ 



«Testa minima, late umbilicata, depressa, lenticularis, sub- 

 tiliter striata, pallide cornea sub epidermide luteo-fusca, parum 

 nitente, maculis et fasciis destiluta. Spira anfractibus 5 sat 

 convexis, pressis, regulariter accrescentibus composita; anfr. . 

 ultimus leviter descendens; apex planus, nitide flavus; sutura 

 linearis, parum profunda; apertura semilunaris, parte superiore 

 angulosa, inferiore rotundata et descendens; perist. simplex. — 

 Diam. max. 2, min. 1^2) ^lt. 1 mill. » (Ex descript. 1873.) 



JJelix decrefa Gass. Faune Nouv. Caled. 11. 1871. p. I8O; 

 Journ. Conch. XXI. 1873. p. 47. t. 2. f. 3. 



Habitat in insula Nou Novae Caledoniae (Lambert); subfossilis 

 in insidis Koutourao et Pinuum. 



Obs. Similis H.velulae Gass., sed minor, anfractibus 5, ultimo ma- 

 jore vix striato. 



§. 43. 



847. fuliginosa Griff. (CoU. 298.) I. 88. III. 83. IV. 74. V. UO. 471. 



— Omphaliiia ciiprea Rafln. Enum. and Acc. 3 ; ed. Binn. §' Tryon. 

 p. 67. — Zonites fuliginosa Ad., (Omphalina) Binn. Anier. landsh. 

 p. 285. f. 506. 51 0. — Zonites (Moreletia) fuUginosus Crosse Sf Fisch. 

 Moll. terr. Mex. p.164: Orizaba reipubl. mexicanae. — Hyalina 

 fuliginosa Tryon Amer. journ. conch. II. p, 248. t. 3. f. 16. — 

 Mesomphix Pdtel Cat. p. 86. — Pennsylvania, Ohio. 



848. kopnodes Binn. (CoU. 299.) IV. 346. V. 141. — Hyalina kopno- 



des Tryon Amer. journ. conch. II. p. 248. t. 4. f. 21. — Mesom- 

 phix Pdtel Cat. p. 86. — Zonites (Omphalina) kopnodes Binn. 

 Amer. landsh. p. 284. f. 507. 508. — Alabama, Georgia, Tennessee. 



849. caduea Pfr. (Coll. 300.) 1.98. IV. 74. V. 141. — Hyalina caduca 



Mart., Tryon Amer. journ. conch. II. p. 288. t. 3. f. 15. — 

 Amonoceras Pdtcl Cal. p. 86. — Zonites (Omphalina) caduca Binn. 

 Amer. landsh. p. 286. f. 513. — Zonites (Moreletia) caducusCrosse 

 .y Fisch. Moll. lorr. Mcx. p. 163. t. 7. f. 3. — Mexico, Texas. 



850. omalomorpha Orb. f I. 109. III. 104. IV. 74. V. 141. — Hya- 



lina omalomorpha Alb. — Bolivia. 



