MODELS OF LABELS. 65 



The nest to which the first entry (a) in the record 

 above given refers, will be found labelled (since its 

 size will admit of it) as follows : 



9; 



2a. 



Dendroeca cestiva — Yellow Warbler. College 

 grounds, Jonesville, Me., May 25, 1878; 4 

 fresh eggs ; bird identified. John Smith. 



The eggs will each be labelled alike, and bear sim- 

 ply two numbers, thus : 



93 (2a.) 



That is : The name of this egg is No. 93 of the 

 Smithsonian Check List of 1881 ; the history of it 

 forms item a on page 2 of the collector's Ledger. 

 Then, if the egg is large enough, you may write 

 upon it your initials, as further authentication. 



ADVANTAGES OF THIS PLAN. 



The advantages of this plan are many. It is pos- 

 sible to apply it to all eggs, however small or in 

 whatever way obtained ; it does away with all private 

 catalogues of cabinets, and, by making a standard 

 list of the birds of the whole United States the uni- 



