VOL. XVI.(1) BUCKMAN—GENUS C/NCTA 63 
EXPLANATION OF PLATE VI. 
FIGS. 1-4.—CINCTA OBOLUS, Sp. 2. 
I, 2.—Type, Cheltenham—Jas. Buckman collection. Oo sie 
3, 4.— Young form, Coaley, Gloucestershire—my collection: = 
FIGS. 5, 6.—CINCTA NUMISMALIS ( Valenciennes) 
* Strata of Jamesonz-hemera, Toddington, Winchcombe—-L. Richardson collection. 
Fics. 7, 8.—CINCTA PAUPERCULA, Sp. Nn. 
Radstock—my collection. 
FIGS. 9, 10.—CINCTA PAUPER, sp. 0. 
Radstock—Tutcher collection. 
FIGS. 11, 12.—CINCTA COR (Valenciennes) 
Lower Lias, Département de 1’Indre, France— Presented by Mr L. Chartron. 
FIGS. 13, 14.—CINCTA CONOCOLLIS (Rau) 
Radstock—J. W. Tutcher collection. 
FIGS. 15, 16.—CINCTA OPULENTA, Sp. 0. 
Churchdown, Gloucestershire—E. Talbot Paris collection. . 
Fics. 17, 18.—CINCTA QUADRANS, Sp. 1. 
About Jamesoni-zone, Toddington, near Winchcombe—L. Richardson collection. 
FIGS. 19, 20.—CINCTA PINGUIS, sp. 0. 
Armatus-zone, Kilmersdon, Radstock—J. W. Tutcher collection. 
This example shews the muscle marks, and the septum. Some acid has been 
applied to the umbonal area. 
FIGS. 21-24.—CINCTA ORBICULARIS ( Schiibler-Zieten ) 
Figs. 21, 22.—Middle Lias, Céte d’Or, France—J. W. D. Marshall collection. 
Figs. 23, 24.—Welton, Radstock—same collection. 
