38 ALYCAEUS §. 2. 



tumido, laeviori, tiibulo suturali brevi, ab apertura remoto, 

 munito; apertui^a obliqua, circulari, perist. duplici, interno 

 valde porrecto, continuo, margine simplici, extus striato, ex- 

 teriori expanso, reflexiusculo ; umbilico subaperto. — Operc? 

 — Diam. maj, 2. min. l^/^, axis l^/^ mill." (B.) 



Alycaeus armillahis Bens. in Ann. and Mag. N. H. 2d. ser. XVII. p. 227. 

 Habitat ad Thyet-Mio prope fluvium Irawadi in imperio Bir- 

 mano (W. Theobald). 



Subfam. II. Cyclopliorea. 



Operculum corneum , tenuiuscuhmi , strato externo testa- 

 ceo destitutum , subcircuhire, arctispirum, nucleo centrali. 

 Testa turbinata vcl depressa. 



Cyclophorina Gray Cat. Phan. p. 34. 



Cyclophorinae H. et A. Adams Gen. rec. Moll. II. p. 278. 



V. Craspedopoma Pfi% 



Pfr. Mon. Pneum. p. 51. — Gmy Cat. Phan. p. 32: 

 genus Cyclotinorum. — IVoodrv. Man. MolL II. p. 177: 

 subgenus Cyclophori. — H. et A. Adams Gen. rec. Moll. 

 II. p. 283: genus Cyclophorinarum. — Bolania Gray olim. 



Tres nunc notae sunt species: 



1. Iiicidiim liOwe. (Coll. 44. — Gray Phan. p. 32. 



— Morch Yold. p. 42. n. 840. — Lowe in Proc. Z. S. 

 1854. p. 216. — Ad. Gen. p. 283. t. 85. f. 9. — 

 Trosch. Gebiss d. Schn. p. 67. t. 4. f. 3. 5. — 

 Cyclost. lucidum Alh. Mahic. Mader. p. 72. t. 16. 

 f. 29 — 31. — Conf Paludina conoidea Charp. in 

 Kust. Mon. Palud. p. 43. t. 9. f. 3—7.) .... Mon. p. 51. 



2. liyonnelianiim liowe. (Coll. 45. — G^rw?/ Phan. 



p. 33. — Loive in Proc. Z. S. 1854. p. 217. — 

 Ad. Gen. p. 283. — Cyclost. Lyonnetianum IHygro- 

 bium] Lowe in Aun. and 3Iag. 2d. ser. IX. p. 279 ; 

 Syn. diagn. p. 15. n. 70. — Ch. ed. nov. p. 285. — 

 Alb. Malac. Mader. p. 73. t. 16. f. 32—34.) ... - - 52. 



3. costatlim Siiuttl. (Coll. 46. — {^Gray Phan. 



p. 33. — Ad. Gen. p. 283.) - - 415, 



