PLATE XXXI II. 



(With the exception of the coral (fig. 1), all the fossils represented on this Plate, are 

 from the Lower Sandstones of the south side of Maud Island). 



ASTROC.ENIA IRREGULARIS (page 246). 



Figure 1. Calicuiar surface of a portion of a colony, drawn from a 



gutta percha squeeze of a specimen from the Lower 

 Shales at Maud Island. 



Figure 2. 



" 2 



" 2 



" 2 



Figure 3. 



Figure 



Figure 5. 



Figure 

 Figure 



Figure 7. 



Fisure 8. 



SCHLOENBACHIA PROPINQUA (page 247). 



Side view of the largest entire specimen collected. 

 a. Outline of aperture of the same. 



6. Side view of a smaller but better preserved specimen, 

 c. Similar view of a large fragment. 



Pleuromya l^vigata (pages 249 and 289). 



Side view of the most perfect specimen yet collected from 

 the Lower Sandstones. 



Cardium tumidulum (page 249). 



4. Side view of a specimen, slightly enlarged. 



4 a. Similar view of another specimen. 



Protocardium ; species undeterminable (page 250). 



Side view of the specimen referred to on page 250, shewing 

 the left valve. 



AvicULA (Oxytoma) Whiteavesi (page 298). 



(The Oxytomm mucronata of page 251.) 



Side view of an imperfect left valve. 

 Similar view of a perfect right valve. 



AvicuLA (Oxytoma) McConwelli (page 300). 



An imperfect left valve, that is doubtfully referred to 

 this species. 



Pecten Carlottensis (page 251). 



One of the most perfect specimens collected (which, how- 

 ever, wants both ears) with a small piece of the test 

 about twice the natural size, to show the surface 

 ornamentation. 



Rhynchonella Maudensis (page 252). 

 Dorsal view of a perfect specimen. 



6. 

 6 b. 



6 a. 



" 8 a. Front view of the same. 

 " 8 b. Ventral view of the same. 



DisciNA SEMiPoLiTA (page 252). 

 Figure 9. Upper valve of a specimen with the test preserved, slightly 



enlarged. 

 " 9 a. Imperfect cast of the interior of another upper valve, 

 shewing part of the muscular impression, and slightly 

 enlarged. 



