18G7.] DR. J. J. KAUl' ON NISI AND ASTURES. 



Fiff. 1. 



1/1 



Teraspiza tinus. 



1. Teraspiza virgata, Reinw. 



Falco virgatus, Reinw. Temm. PI. Col. 109 ( c? )• 



Accipiter affinis, Hodgs., Gray, Zool. Misc. p. 81. 



A. nisoides, Blyth, Journ. A. S. B. 



Nisus virgatus, Cuv. Reg. An. p. 334 ; Schleg. Valkv. t. 12. 



N. minutus, Less. Tr. d'Orn. p. 60. 



N. gularis, Schleg. Fn. Jap. pi. 2, et Mus. d. P.-B. Ast. p. 33. 



Nisus {Teraspiza) virgatus, Kp. Falc. p. 1/2. 



2. Teraspiza rhodogaster, Sclil. 



Nisus rhodogaster, Schleg. Valkv. t. 12. 



A'', virgatus rhodogaster, Schleg. Mus. d. P.-B. Ast. p. 32. 



Represents T. virgata in Celebes. 



To these must be added 



3. Teraspiza minulla, Daud., 



of the Cape colony, with white bars on the upperside of the tail ; 

 and the 



4. Teraspiza tinus. Lath., 



of South America, which is of the same size, and has no spots on the 

 tail, nor any white upper tail-coverts. 



Tachyspiza, Kaup. 



Beak bent abruptly from the swollen cere ; with a round tooth 

 coming low down, and separated from the point of the beak by a 

 sharp incision ; seen in profile it overlaps the front half of the lower 

 beak. Point of the wing very long, rather less than secondaries, 

 and equal to eleven twenty-sixths of the length of the entire wing. 

 Third primary the longest; first ta third ])rimaries distinctly eniar- 

 ginated on the inner vane ; fourth ])rimary indistinctly emarginated ; 



