Anatomy of the Kingfishers. 



101 



is a trace of the diastataxic row in the form of three feathers 

 occupying the upper pai't of what probably has been a row, 

 I may mention here that in one of the eutaxic Cuckoos 

 [Carpococcijx radlatus) 1 havefonnd a siniih-ir vestige of what 

 I regard as the old diastataxic condition. Halcyon rufa 

 (fig. 8) is also eutaxic, but in it there is no vestige of the 



Fiff. 8. 



Salcyon rttfa, diagram of cub'tal feathering. Complete eutaxio arringe- 

 iiieut, there being- no gap nor remnant of a row in the diastataxic 

 position. 



other condition. The carpal remex is extremely small, 

 smaller relatively than it is represented in the diagram, and 

 it is not bound to the adjacent cubital by the usual plica. 

 The covert is normal, and then follow the cubitals with their 

 diagonal rows in even seiits. Althougii Ceryle maxima and 

 C. alcyon are diastataxic, C. americaaa and C. inda (fig. 9) 



Fio-.a 



Ceryle inda and C. americana, diagram of cubital feathering. Explanation 



as in figure 8. Eutaxic arrangement. 



are eutaxic. In these, which are practically identical in this 

 respect, the carpal remex is tied to the fii'st quill by the 

 usual plica j the covert is small. The quills fallow iu evea 



