EXPLANATION OF PLATE XIV. 



Fig. 



36. Bklemnites tubularis; the crushed part very long. The specimens are usually 

 presented with a lateral aspect. 

 b'. Specimen from the Bristol Museum, marked, "B 1, 42. Near Gloucester." 

 b". Striation on the anterior part of the guard. 

 b'". Crushed portion of the guard. 



p'. Specimen from Whitby, belonging to Prof. Phillips. The crushed part 

 comparatively short ; the anterior part of the guard slightly furrowed ; 

 the aspect is lateral. 



1'". Opposite view of the same, showing a long dorso-lateral groove. 



p'". Ventral aspect of the same. 



r . Transverse section at the alveolar apex. 



p\ Another specimen from Whitby ; presented ventrally, showing some effect of 



pressure on the alveolar portion of the guard, 

 p". Opposite aspect of the same, 

 p'". Lateral view of the same, showing the striation. 



