AET. 15 BIRDS COLLECTED IN" CENTRAL CHINA RILEY 19 



75. CORVUS MACRORHTNCHOS HASSI Reichenow 



Corvus hassi Reichenow, Orn. Monatsber., 1907, p. 51 (Tsingtau). 



Two males and two females, Eastern Tombs, Chihli, January 

 11 and 14. 



76. CORVUS CORONE ORIENTALIS Eversmann 



Corvus orientalis Eversmann, Add. Pallas Zoogr., fasc. 2, 1841, p. 7 

 (Buchtarma). 



One male, 100 miles southwest of Lanchow, Kansu, August 31. 



77. COLOEUS DAUURICUS DAUURICUS (Pallas) 



Corvus dauuricus FAix.AS,'Reise Russ. Reichs, vol. 3, Anhang, 1776, p. 694 (near 

 Lake Baikal). 



One male, Paotow, Inner Mongolia, March 18. 



78. COLOEUS FUSCICOLLIS (Vieillot) 



Corvus fuscicollis Vieillot, Tabl. Enc. Meth., Orn., vol. 2, 1823, p. 880 (Lake 



Baical). 

 Corvus neglectus Schlegel, Bijdr. Dierk. Amsterdam, Afl. 8, Corvus, 1859, p. 



16 (Japan). 



One male and one female, 45 miles northwest of Ninghsia, May 4. 



79. PICA PICA SERICEA Gould 



Pica sericea Gould, Proc. Zool. Soc. London, 1845, p. 2 (Amoy, Fukien). 



Three males and four females, Eastern Tombs, Chihli, December 

 24-31. 



80. CYANOPICA CYANA INTERPOSITA Hartert 



Cyanopica cyana interposita Harteet, Nov. Zool., vol. 24, 1917, p. 493 (Tsinling 

 Mountains). 



One male and 2 females, Eastern Tombs, Chihli, December 15 and 

 27 ; 1 adult male, 2 adult females, and 2 immature females, 120 miles 

 south of Lanchow, July 20-August 16; 1 immature male and 1 im- 

 mature female, 90 miles south of Lanchow, September 1 ; 1 immature 

 female, 10 miles northeast of Sining, Kansu, August 4. 



The adult Kansu birds are smaller with smaller bills than those 

 from Chihli and may not belong to the same form. It may be there 

 are only two forms, a northern and a southern, but where to draw the 

 line is the difficulty. 



81. UROCISSA ERYTHRORHYNCHA BREVIVEXILLA Swinhoe 



Urooissa brevivexilla Swinhoe, Proc. Zool. Soc. London, 1873, p. 688 (Western 

 hills of Peking). 



One male and two females. Eastern Tombs, Chihli, December 31. 



