\ 





136 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [June 17, 



In grey limestone, with the spine No. 10, from the lowest beds. 

 Loc. Gorge of Iphigenia. 



Mollusc a. Brachiopoda. 



18. Terebratula numismalis, Lam. 



This characteristic Lias species was obtained from grey limestone 

 and shale. 



Loc. Woronzoff Road. Lower Lias. 



19. Terebratula rotundata?, Rcemer. 



Allied to T. ovoides, Sowerby, in compact pinkish limestone. 

 Loc. Woronzoff Road. 



20. Terebratula Jamesii, sp. nov. PI. VIII. fig. 2, «, b. 

 Shell inequivalved, ovate, longer than wide ; rostral valve mode- 

 rately convex, smaller valve somewhat flattened ; beak prominent 

 and truncated, with a rather large foramen ; lateral margin of valves 

 slightly curved, and a somewhat flattened front ; surface smooth, 

 punctated, and marked by concentric lines of growth. 



Dimensions. — Length 1 inch, breadth ^ths of an inch. 

 Loc. From dark-grey Jurassic limestone, Balaclava. 

 Collected by Major Cooke, R.E. Dedicated to Lieut.-Col. James, 

 R.E. 



21. Terebratula, sp. Probably T. subovoides, Miinst. 



Found with the large barrel-shaped spine, No. 14, in red compact 

 limestone. 



Loc. The Bathing-place one mile west of Balaclava. 



22. Terebratula perovalis 1 



From the matrix of Ammonites Jimbriatus, Middle Lias. 



Loc. Village of Biasali. 



Presented by Imperial School of Mines, St. Petersburg. 



23. Terebratula. Lower part of a large species, probably Tere- 

 bratula Strogonojii, D'Orb. Geol. of Russia, &c. p. 489, in com- 

 pact red limestone. 



Loc. Gorge of Iphigenia. 



24. Terebratulina radiata, sp. nov. PI. VIII. fig. 3, a-d. 

 Shell inequivalved, nearly hemispherical ; beak produced, slightly 



recurved, truncated, with a large foramen and triangular deltidium ; 

 surface of valves beautifully punctate, and ornamented with from 

 20 to 25 longitudinally elevated striae. 



Dimensions. — Length -j^ths, breadth ||ths of an inch. 



Loc. Balaclava. Six specimens of this elegant little Brachiopod 

 were detached from the matrix which contained Terebratula Jamesii. 



25. Rhynchonella Cookei, sp. nov. PI. VIII. fig. 5, a, b. 

 Shell considerably wider than long ; valves slightly convex ; beak 



acute ; foramen small, surface ornamented by about 30 acute plaits, 

 having a central elevated mesial fold composed of 10 plaits. 

 Dimensions. — Height 1-^y inch, breadth 2\ inches. 





