EXPLANATION OF THE PLATES. 



Fig. 4. Os pubis of a very small individual. By the side of fig. 4. at a, is represented 

 the transverse section of its flat extremity. 



/7g. 5. Fragment of a bone, probably the ischium, extremely solid throughout. 



Fig. 6. Fragment of a flat bone nearly two inches thick, probably part of a scapula. 



PLATE XLIV. 



Figs. 1 & 2. Two opposite views of the largest femur of Megalosaurus in the Oxford 

 Museum. 



Figs. 3 & 4. Two views of probably a clavicle of ditto. 



Fig. 5. Portion of a long and slender bone, apparently a fibula. 



Fig. 6. Posterior portion of a large bone, either of the Metacarpus or Metatarsus. 



PLATE XLV. 



Represents different portions of Clathraria anomala reduced. 



PLATE XLVL 



Represents Endogenites erosa reduced, Carpolithus ( ) Mantellii, Hymen- 



opteris psilotoides, and Pecopteris reticulata, of their natural size. 



PLATE XLVn 



Fig, 1. a and b. C. Mantellii magnified to show the markings on its surface. 

 Fig. 2. Hymenopteris psilotoides magnified to show the decurrent membrane con- 

 necting the pinnae. 

 Fig. 3. Pecopteris reticulata, a portion magnified to show the veins. 

 Fig. 4. a. A portion of the outer covering of Clathraria anomala, natural size. 

 Fig. 4.6. Inner portion of the same with a cicatrix. 

 Fig. i.e. A termination of the same, and showing the imbrications of its surface. 



Fig. 4t.d. A portion of the same, showing the cellular body intervening between the 

 external and internal body. 



Fig. 5. a, A portion of the exterior of Endogenites erosa magnified. 



Fig. b.b. Transverse section of the same magnified. 



