The Monograph on ' The Reptilu of the London Clay, and of the Bkacklesham and other 

 Tertiary Beds,' was published as follows : 



Part I, pages 1—76, plates I— XXVIII, VIIIa, Xa, XIIIa, XVIa, XVIIIa, XIX*, XIXb, XlXc, 



and XIXd, July, 1849. 

 Part I, Supplement I, pages 77—79, plates XXVIIIa, XXVIIIb, April, 1858, 

 Part II, Supplement I, pages 1—4, plate XXIX, August, 1850. 

 Part II, pages 5 — 50, plates I — XII, and Ha, August, 1S50. 

 Part III, pages 51 — 68, plates XIII— XVI, August, 1850. 



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