PLATE XVIII.^ 

 Temnocheilus coronatus, F. M*Coy. 



Fig. 1 a. Lateral view of the much-distorted type specimen figured by M'Coy 

 (' Synop. Garb. Foss. Ireland,' pi. iv, fig. 15). 1 b. Front view of the same, the 

 siphuncle obscurely seen above the centre of the septum. Little Island, Cork. 

 Dublin Museum of Science and Art (" GriflBth Collection "). (Page 49.) 



Fig. 2 a. Lateral view of the inner whorls of a fine specimen collected by 

 Mr. B. J. Garwood, F.G.S., at Stebden Hill, near Cracoe, Yorkshire. The 

 specimen is now in the British Museum, and is here re-figured for comparison with 

 M'Coy's specimen, which still remains unique in Ireland. (Page 49.) 



Trigonooeras PARADOXicuM, J. ds G. Sowerbi/, sp. 



Fig. 3 a. Lateral view of a specimen covered with the test, and showing the 

 fine ridge near the peripheral border. 3 b. Longitudinal section of the posterior 

 portion of the same, showing the septa and siphuncle which have been displaced 

 and distorted by crystallisation. The darkly shaded part above is the lower 

 portion of the body-chamber. 3 c. Diagrammatic cross-section of 3 a. Clane. 

 Dublin Museum of Science and Art. (Page 51.) 



Fig. 4 a. Dorsal or antiperipheral view of another specimen, showing the 

 prominent longitudinal keel and the faint ridges on each side of it. 4 b. Peri- 

 pheral view of the same, showing stroug marginal keels and the septa very 

 faintly discernible. Kildare (probably Clane). British Museum. (Page 51.) 



Fig. 5. Outline of colour-bands on a specimen from Clane, in the Public 

 Museum, Belfast. The vertical line indicates the dorsal keel. (Page 51.) 



^ The figures in this and the following Plates represent the specimens of the natural size un]<'s8 

 the contrary is stated. 



