174 MAZATLAN UNIVALVES 
cus appears slightly denticulate within, from the strie of 
growth being there well marked. The labrum extends ‘005 
beyond the spire. Long. ‘125, lat. °055. 
fiab.—Mazatlan ; 2 sp. on Spondylus ealcifer ; L’pool Col. 
Tablet 791 contains the larger specimen, slightly imperfect: 
228. BuLba 
Tablet 792 contains a small fragment, remarkable for the 
sharp angle round the spiral umbilicus. This is furnished 
* within with spiral grooves so strongly marked as to cause the 
produced labrum to be serrated on the outer side at its junc- 
tion with the body whirl. 
Hab.—Mazatlan ; on Spondylus calcifer ; L’pool Coil. 
Genus HAMINEA, Leach. 
Bulla (pars) auct. Shell horny, elastic, colourless, semi-interna. 
—, sp. ud. 
229. HAMINEA CYMBIFORMIS, 7. 8. 
HT, t. tenuissimd, albidd, axi contorta, maxime inflata, spird 
minore, celatd ; apertura antice ventricosd, postice producta ; 
striulis spiralibus creberrimis ornatd, rugis inerementi subex- 
tantibus ; labio tenuissimo. 
Only one rather imperfect specimen was found of this 
beautiful species, which resembles in form a small inflated 
Cymbium. Long. '07, lat. ‘05. 
Hab.—Mazatlan ; 1 sp. on Spondylus ealeifer ; L’pool Col. 
Tablet 793 contains the specimen. 
Susp-ctass PULMONATA. 
Orper GEOPHILA. 
Famiry TESTACELLIDA. 
Gray in B. M. Cat. Pulm. p. 9. 
Genus GLANDINA, Schum. 
Essai Syst. p. 202, 1817. 
Oleacina, Bolten, Mus. (1798); ed. 2, 1819, p. 77. 
Cochlicopa a, Férus. Tab. Syst. 1821. 
Achatina, pars, auct. 
