S I R S , -- I n t h e article on Incubation, b y Mr, Erie B. Dunlop (antea, p. 109), t h e writer s a y s : " Another bird which rears few young compared to t h e number of eggs it lays is t h e Great-erested Grebe. Four or five eggs are very frequently deposited, b u t it is n o t usual for more t h a n two young to b e brought to maturity. Mr. Edward Tristram suggests . . . t h a t when t h e fi...

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