QfiVt^ 



A 



288 



Mr. Monro 



colony of Sterna frontalis 



He mentions, however, 



that there was only a single pair of this species in the flock, and that they uttered at intervals a 

 harsh croaking note. 



This Tern has likewise been discovered in Australia since the publication of Mr. Gould's 

 ' Handbook;' and as it is unquestionably the same form as that inhabiting the Palsearctic region, 

 the species enjoys a wide geographical range. 



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 J)i 



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Adult. 



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b 



M 



d 



Ob 



s. 



f 



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