NO. 2175. THE BIRDS OF BAWEAN ISLAND— OBERHOLSER. 



189 



Family ALCEDINIDAE. 



SAUROPATIS CHLORIS CYANESCENS, new subspecies. 



Suhspedfic characters.— SimiluT to Sauropatis cMoris cliloris, but 

 averaging smaller; male with upper surface rather more bluish, 

 with less contrast between back and wings ; ear-coverts more greenish ; 

 blackish nuohal band narrower, less distinct, and more overlaid by 

 green; female with upper parts averaging darker; wings somewhat 

 more bluish; ear-coverts more greenish; blackish nuchal band usu- 

 ally more washed with greenish. 



TV^?^.— Adult male. No. 170835, U.S.N.M.; Pulo Taya off the 

 southeastern coast of Sumatra, July 28, 1899; Dr. W. L. Abbott. 



Measurements. — Thirteen males average as follows: Wing, 109.3 

 mm.; tail, 67.7; exposed culmen, 45.3; tarsus, 16.4. 



GeograpMcal distribution. — Sumatra, Borneo, and neighboring 

 islands. 



The birds from Borneo, Sumatra, and many of their adjacent 

 islands differ from other forms of the species, and are apparently 

 worthy of subspecifio separation. 



Three specimens from Bawean Island are the same, though averag- 

 mg sUghtly larger. Two of these (Nos. 181494 and 181495, U.S.N.M., 

 taken, Nov. 20, 1907) are in molt of the contour feathers, remiges, 

 and rectrices. Measurements of all are as follows: 



Measurements of specimens of Sauropatis chloris cyanescens. 

 [Collected by Dr. W. L. Abbott.] 



Tliis species is generioally distinct from true Halcyon (type, Hal- 

 cyon senegalensis) and should take the generic name /S'a'uro2)a^isCabanis 

 and Heine,2 of which the type is Halcyon sanctus Vigors and Hors- 

 field. 



Measured in the flesh by the collector. 

 I Mus. Hein., pt. 2, January, 1860, p. 158 



