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PKEFACE. 



THE first edition of this List was issued in 1862, and contained 

 the names of all the animals that had been living in the So- 

 ciety's Gardens at any time during the previous year, with 

 their habitats, and the dates and modes of their acquisition. 



In the second edition, issued in 1863, the animals living 

 in the Society's Gardens from the 1st of January to the end 

 of May of that year were given in a similar form. In the 

 third edition, which was completed for press on the 1st of 

 January, 1865, the names of all specimens received by the 

 Society during 1864 were added to the list. 



In the fourth edition, issued in 1867, the names of all the 

 vertebrated animals added to the Society's collection during 

 the years 1865 and 1866 were inserted in their proper places ; 

 so that the list contained a complete record of all specimens 

 of Vertebrates that had been exhibited alive in the Society's 

 Gardens in the years 1864, 1865, and 1866. 



In the present revised edition of this Catalogue I have pur- 

 sued exactly the same system, and have added the names of 

 all the vertebrated animals that we have received during the 

 years 1867, 1868, 1869, 1870, and 1871, with the date and 

 mode of acquisition of each specimen. 



The result is a nearly complete Catalogue of all the living 

 Vertebrates received by the Society during the past ten years. 



It is not, however, quite complete, as in the two first edi- 

 tions some of the specimens which had been lost by death or 

 departure were struck out ; but commencing from January 

 1st, 1864, I believe that every specimen received will be found 





