362 



FALCONER ON THE PERIM ISLAND FOSSILS. 



Length of penultimate molar lower jaw- 

 Width of ditto at the posterior ridge 

 Length in section of the posterior ridge 



at base - 

 Height of ditto - 

 Thickness of the enamel 



of ivory 



Perim 

 Fossil. 



Eppelsheim 

 Specimen. 



inc. 

 3*1 



1-5 



•63 



•25 



inc. 

 3-75 

 2-75 



1-75 

 •63 

 •19 



The fossil is represented in the figures of the natural size. 



Giraffe {Camelopardalis). PI. 14. fig. o. 



This figure represents a fragment comprising the posterior half 

 of the second cervical vertebra of a giraffe, a good deal mutilated. 

 It shows the characteristic form of the body of the vertebra in 

 this genus, and the cup-shaped articulating surface for the head of 

 the third cervical vertebra. The upper half is wanting, and the 

 posterior oblique processes are broken off. Along the middle of 

 the body, there is a well-marked longitudinal ridge, corresponding 

 exactly in form and development to that mentioned as character- 

 ising the third cervical vertebra of the Camelopardalis Sivalensis 

 described in the Proceedings of the Geological Soc. (vol. iv. p. 242.) ; 

 the same remark applies to the lateral ridges of the body, which are 

 decurrent from the inferior transverse processes terminating at the 

 posterior end of the bone in thick expansions. This part of the ver- 

 tebra is differently formed in both respects in the existing species. 

 The same resemblance is further shown by the spinous process, the 

 projecting part of which, as in the Sewalik specimen, is placed 

 lower down on the arch than in the living species. The mutilated 

 condition of the fragment prevents the form of this process from 

 being well ascertained ; but the very low position and shape of the 

 most salient part determines the vertebra to have belonged to the 

 second of the neck series. There is enough remaining to indicate 

 that there was a like correspondence with the Sewalik fossil in the 

 curve of the body on its under surface, which is more arched than 

 in existing giraffes. The specimen is so weathered and abraded as 

 to present only few points for measurement ; but such as may be 

 taken indicate the closest agreement between the fossils : 







Perim Island 



Sewalik 







Fossil. 



Fossil. 



inc. 



inc. 



Greatest width at the posterior end 



of the body 







between the transverse processes 



- 



3-1 



3-1 



Vertical diameter of articulating cup 



- 



2-1 



2- 



Transverse diameter of ditto 



- 



2-1 



2- 



