IV 



INTRODUCTION. 



its size, and often the age or sex, when known with certainty, 

 are recorded. 



The following Table gives the number and state of the speci- 

 mens at present in the Collection, and the manner in which 

 they are preserved : — 



British Museum, 



15tli October, 1873, 



JOHN EDWAED GKAY. 



