114 LEPTOPOMA 6$. 4. 
Cyclostoma fibula Chemn. ed. Yl. N. 135. p. 130, t. 15. f. 23, 24. 
i Y6- £4 
— fibulum Jay Catal. 1850. p. 255. n. 5864. 
Leplopoma fibula. Pfr. iu. Zeitschr. f. Mal. 1847. p. 109. Consp. N. 164. 
-— — Gray Catal. Cycloph. p. 26. N. 13. 
Habitat in insula Luzon (H. Cumine). 
197 20. EL. gomiostomums Sowerby. 
T. perforata, conoidea, tenuis, lineis concentricis non- 
nullis vix elevatis cincta, pellucida, pallide cornea, fusco varie 
strigata et tessellata; spira conica, acutiuscula; anfr. 6 vix 
convexiusculi, ultimus acute carinatus, utrinque paulo conve- 
xior; apertura diagonalis, subtriangulari-ovalis, intus submar- 
garitacea; perist. tenue, breviter expansum, marginibus dis- 
junctüs, dextro strictiusculo,  columellari breviter - dilatato, 
umbilieum angustissimum non tegente, basali arcuato. — Operc. 
membranaceum, planum, anfr. 8 subaequalibus, extus margine 
subelevatis. — Diam. maj. l7, min. 15, alt. 13'/, mill. Apert. 
long. verticalis 9 mill. (Coll. Nr. 75.) 
Cyclostoma goniostoma Som, in Proc. Zool. Soc. 1843. p. 64. *) 
-— — Reeve Conch, syst. t. 183. f. 3. 
— — Som. "Thes. N- F31. p. 137.4. 30. f. 998, 284. 
-—- — Chemn. cd^"H?"NS10:;'p. 18..t£ 29. f; 5-—. 
1xUl0- f 25. 
Leptopoma goniostoma Pfr. iu Zeitschr. f. Mal. 1847. p. 109. Consp. 
N...165. 
-— -- Gray Catal. Cycloph. p. 26. N. 14. 
Habitat Cagayan provinciae Misamis insulae Mindanao (H. 
Cuming). 
198 21. L. pileus Sowerby. 
T. perforata, conica, tenuis, albida, interdum fusco palli- 
dissime nubeculata; spira pyramidata, acuta; anfr. 6 planulati, 
ultimus acute carinatus, basi convexiusculus; apertura perobli- 
qua, ovalis, ad carinam subangulata; perist. breviter expansum, 
intus albo-callosum , marginibus disjunctis, columellari subdi- 
*) T. suborbiculari, conoidea, margine carinato, tenui, subpellucida, 
laevi, albida, fusco varie strigata; spira acuminata, apice nigricante, obtu- 
siusculo; anfr. 5'/, planulatis, ultimo subventricoso, obsolete 2— 3-carinatis, 
margine acuto, antice subplanulato; apertura rotundato -subtrigona, antice 
subrotundata, postice extusque angulata; peritremate tenui, angusto, reflexo; 
umbilico parvo. (Sow. l. c.) 
