APPENDIX 0. 167 



Astur (Nisus) ffularis, Teraminck & Schlegel, Faun. Japou., 



Aves, p. 5, pi. 2 (1850). 

 Accipiter stevensoni, Gurney^ Ibis, 1863, p. 447, pi. 11. 



I have been favoured by Mr. Blakiston with the following 

 wing-measurements of specimens of this Hawk collected in 

 Japan : — 



Nine adult males from 6'30 to 6'90 inches. 



Six immature males from 6'."J0 to 6*70 „ 



One adult female 7*70 „ 



Seven immature females . . from 7'.30 to 7*70 „ 



The following are measurements of Japanese examples 

 taken by myself : — 



Wing. Tarsus. ^''^^^^ 



° toe s. u. 



in, in. in. 



( 6-50 1-85 1-10 



Three adult males < to to to 



/ 6-80 1-9.5 1-15 



a 1 1 • • + 1 6-50 1-85 Mo 



Seven presimied males in mimatm-e ) . , , 



dress \ *° ^"^ *^ 



"^^^^ 1 6-85 1-95 1-30 



Adult female 7-55 2-00 1-45 



Adult female 7-55 2-05 1-35 



Eight presumed females in immature y , 



^'^^^^ 1 8-20 2-15 1-40 



A ninth immature female, which I have measured, so 

 materially exceeds the above in its wing-measurement, that 

 I think it well to give its dimensions separately, viz. : — 



Wing. Tarsus. f'^^^^ 



° toe s. u. 



in. in. in. 



8-75 2-20 1-40 



This specimen, which is preserved in the Norwich Museum, 

 "was obtained from the Messrs. Verreaux, and bears the 

 locality of Japan in the handwriting of the late Jules 

 Verreaux; in plumage it differs but very slightly from a 

 young female collected at Yokohama, which is also preserved 



