INDISPENSABLE WORKS ON BRITISH BIRDS, 



IV. 



SUGGESTIONS 



FOE FORMING 



COLLECTIONS OF BIKDS' EGGS. 

 By ALFKED NEWTON, ESQ., M.A. 



These ' Suggestions ' are from the pen of Mr. Newton, than 

 whom no one was ever better qualified for the task. The 

 first object is to identify the egg, to be quite sure to what 

 bird it belongs. Mr. Newton justly considers that an egg 

 wrongly named is worse than no specimen at all. As soon as 

 the egg is positively identified, the next object is to authenticate 

 it, by attaching such a mark as can neither be removed nor 

 obliterated. Then follows a full and most minute description of 

 the mode of blowing eggs : it is expressly explained that no hole 

 should be visible, and it is also explained how to avoid this; on 

 no account whatever should there be a hole at either end, and 

 there should be but one hole. The difficulty of removing the 

 contents from eggs that have been sat on and nearly hatched is 

 entirely overcome ; and the proper instruments to use are not 

 only described but figured, and the requisite information is 

 given where they may be obtained. Finally, we are shown how 

 to strengthen the shell of delicate eggs before drilling the hole 

 through which their contents are to be emptied. 



PRICE SEVENPENCE, POST FBEE. 



THE ZOOLOGIST LIST of BRITISH BIRDS, 



compiled from Mr. Yarrell's standard work on British 

 Birds, comprising all the additions and corrections necessary 

 up to July, 1866. Price, printed on both sides, 3d., post 

 free ; or on one side only, for Labels, 5d., post free. 



JOHN VAN VOORST, 1, PATERNOSTER ROW. 



