the Birds of the Island of Formosa. 159 
2. tPica Pica (L.). 
Pica media Blyth; Swinh. Ibis, 1863, p. 383; id. P.Z.S. 
1871, p. 382. 
Pica caudata Keys. u. Blas.; La Touche, Ibis, 1895, 
p. 385. 
The Magpie is resident on the plains of the south-west, 
but is almost unknown in the north of Formosa. 
3. *Unocissa CERULEA Gould. 
Urocissa cerulea Gould, P. Z.S. 1862, p. 282; Swinh. 
Ibis, 1863, p. 384; Gould, B. Asia, v. pl. 46 (1864); Sharpe, 
Cat. Birds B. M. iii. p. 74 (1877); La Touche, Ibis, 1898, 
p. 370. 
a. 9. Racu Racu Mts., 6000 ft., Jan. 1906. 
b,c. 6 2. Ho Ho Mt., 5000 ft., March 1906. 
Iris yellow ; biil and feet coral-red. 
The measurements of these specimens, which are all adult 
shew considerable variation :— 
6. Wing 8:2; tail 15:3 inches. 
er fico 8, LOG 
ey fe ae epee te: Sa 
This Blue Magpie is peculiar to Formosa, where it is 
resident in the mountains of the interior. 
4. *Denprocirra rorMos& Swinh. 
Dendrocitta sinensis var. formose Swinh. Ibis, 1863, 
p. 387. 
Dendrocitta formose Swinh. P.Z.8. 1871, p. 382; La 
Touche, Ibis, 1895, pp. 320, 321-323, 336; 1898, p. 370. 
a-e. 6 ?. Ho Ho Mt., 5000 ft., Feb., March 1906. 
Jf. 2. Kaiu-Kong-Chin Mt., 5000 ft., March 1906. 
Iris dark brown ; bill and feet black. 
This Tree-Pie is peculiar to the island and resident in the 
wooded mountains throughout the interior. 
Swinhoe originally described this bird as a variety of 
D. sinensis Lath., and stated that the differences were too 
triflmg to warrant its specific separation. It is, however, 
