No. 38. 

 Tympanuclms americanus. 



Male. Head .slightly crested ; on either side of neck a long 

 tuft of narrow feathers of uneven length, the longer ones black ; 





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No. 3S. Male (with neck-sacs inflated), and glimpse of Female. 



beneath each tuft a bare spot of loose yellowish skin which the 

 bird has the power of inflating. Most of the upper plumage barred 



