

/\, 33750 ^■ 



^^9 



Sold by Longmans and Co., 39 Paternoster Row, E.C. ; Bernard Quaritch, 15 Piccadilly, W. ; 



DuLAu and Co., 37 Soho Square, W. ; 



and at 



The British Museum (Natural History), Cromwell Road, London, S.W. 



