Genus— CALONECTRIS M. & I. 
1915. Calonectbis Mathews & Iredale, Ibis, 
July 2nd, 1915, pp. 590-592, Orthotype .. Procellaria leucomelas T. & L. 
Large Puffinoid birds with strong bills and feet and long pointed wings. The 
nasal tubes are not bevelled off as in Pujjinus ; the nostrils are divided by a 
very wide septum ; the latericorn is basally expanded ; the bill is longer than 
the head. 
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