50 MONOGRAPIL OF BRITISH LAND AND FRESHWATER MOLLUSCA. 
Glandina brevis (Edwards ms.). 
1891 Glandina brevis R. B. Newton, Syst. List Edwards’ Coll., p. 275. 
SHELL turbinate with an acute spire and rounded base ; WHORLS five and half 
to six, somewhat convex and transversely striate, the last whorl a little more than 
half the total length of the shell; OUTER LIP simple; SUTURE distinet ; APERTURE 
longitudinally pyriform, length, 20 mill. ; diam., 10 mill. 
Length of shell, 35 mill.; diam., 18 mill. 
Fic. 48.—Glandina brevis (Edwards Ms.), Sconce, Isle of Wight ; photographed by Mr. J. G. Randall. 
slightly reduced. 
Mr. Starkie Gardner records that the National Collection comprises 
upwards of sixty specimens of this species, which strikingly illustrate the 
great variability in the relative proportions of whorls and aperture. 
BRITISH ISLES. ISLE OF WIGHT. 
Oligocene—Bembridge limestone, Sconce (R. B. Newton, Syst. List Edwards’ 
Coll., 1891, p 275). 
LITERATURE. 
Bourguignat, J. R.—Notice sur les especes vivantes et fossiles du genre Testa- 
cella.—Reyv. et Mag. Zool., Dee. 1861. 
Cockerell, T. D. A.—The Variation and Abnormal Development of the Mollusea. 
—Science Gossip, 1885, pp. 224—S. 
Collinge, W. E.—The Morphology of the Generative System of the Genus Testa- 
cella. —Ann. and Mae. Nat. Hist., xii., p. 21—25, pl. 1, 1893. 
Cuvier, G.—Meémoire sur la Testacelle.-—Annales Mus. d’Hist. Nat., 1804. 
Edwards, F. E.—Monoeraph Eocene Mollusca, 1852. 
Gassies & Fischer—Monographie du Genre Testacelle—Actes Lin. Soe. Bordeaux, 
1856. 
Laecaze-Duthiers, H.—Histoire de la Testacelle—Arch. Zool. Exper., v., pp. 459— 
596, pl. 29—40, 1887. 
Massot, P. —Des Testacelles Francaises.—Annales de Malacologie, i., pp. 145—157, 
and pl., L870. 
Mogquin-Tandon. A.—Hist. Nat. Moll. France, 1855. 
Pollonera, C.—Di aleune Testacelle raeceolte presso Torino.—Boll. Mus. Zool. 
Torino, 1888. 
Ossery. intorno aleune specie di Testacella. Soll. Mus. Zool. Torino, 1889. 
Poulton, E. B.—Note upon the Habits of Testacella.—Nature, Oct. 28, 1886. 
Simroth, H.—Die Nacktschnecken d. Portueiesisch-Azorischen Fauna, 1891. 
On some Testacellie, J. of Conch., vol. vi., p. 428, Oct. 1891. 
Taylor, J. W.—On the Specific Distinctness and Geographical Distribution of 
7’. scutulum.—J. of Conch., v., p. 337—347, 188s. 
Webb, W. M.—The British Species of Testacella.—J. of Mal.. Dec. 1895, July 
1897, and Dee. 1897. 
On the Manner of Feeding in 7. sewtulwm.—Zool., Aug. 1893. 
Wood, Searles V.—Eocene Mollusca. 1877. 
