596 = Messrs. J. C. Melvill and J. H. Ponsonby on 
others, likewise differentiated, their discovery being mainly 
due to the continued indefatigable researches of Messrs. J. 
Crawford, J. Farquhar, and H. Burnup. 
We also take the opportunity of refiguring Hypolysia 
Florentie, M. & P. (Pl. XXXII. fig. 13), the original 
drawing * not sufficiently exhibiting the salient peculiarities 
of the peristome. 
Ennea calopasa t, sp. n. 
E. testa rimata, recte cylindrica, albida, pulchre subpellucente ; 
anfractibus novem, apice obtusissimo, fere applanato, czeteris apud 
suturas impressis, undique longitudinaliter arcte lratis, liris 
obliquis ; apertura ovato-oblonga, intus alba, peristomate albo, 
nitido, incrassato, plicis dentibusve quinque munito: plica parie- 
tali nitida, acinaciformi, intrante, dentibus duobus labialibus 
acutis, superno majore, eadem basi congeminatis, dente basali 
parvo acuto, plica columellari conspicua, interne basin versus 
circumtorquente. 
Long. 14, lat. 6 mm. 
Hab. Port Shepstone, Natal (Burnup). 
This very beautiful form, Mr. H. Burnup writes, has so 
far only occurred in small quantity, say in the proportion of 
Ennea Albersi. Ennea calopasa. 
one to ten, as compared with the larger #. Albersi, Pfr., from 
the same locality. He has favoured us with the following 
comparative note, accompanied by two most accurately drawn 
figures :— 
* Loe. cet. pl. ii. fig. 8. 
+ xadds ras, altogether beautiful. 
