476 



PROCEEDINGS OF THE ACADEMY OF 



The chief synonjnns and references are as follows: 



3. MlCRASTUR RUFICOLLIS. (P. 76.) 



Sparvius ruficollis, Vieill. 

 Falco leucauchen, Tenim. 

 Mierastur leucauchen, Scl. & Salv. 

 Falco xanthothorax, Tenim. 

 Mierastur gilvicollis (ad.), Pelzeln. 



4. MlCRASTUR GILVICOLLIS. (P. 78.) 



Sparvius gilvicollis, Vieill. 



Nisus concentricus, Less. 



Mierastur concentricus, Pelz. Oru. Bras. 



Mierastur gilvicollis, Pelz. Orn., Nov. Scl. & Salv. 



5. MlCRASTUR GUERILLA. (P. 79.) 



6. MlCRASTUR ZONOTHORAX. (P. 79.) 



Concordance of Names applied to the several Sp>ecies of Mierastur 



by Different Authors. 



Monograph. 



Genus MlCRASTUR, Gray. 



Brachypterus, Less., Compl. Buff. VII, 1836, 113 (not of Kugel, 1794). 

 Type M. melanoleucus. 



Gamifex, Less., Rev. Zool., 1842, 378 (not of Sundevall, 1836). Type C. 

 naso, Less., = M. melanoleucus. 



Mierastur, Gray, List Gen. B., 1841, 6; Gen. I, 1844, p. 28, pi. 10, fig. 1. 

 Type Falco brachyptems, Temm. = M. melanoleucus. 



Climacocercus, Cabanis, in Tschudi's Fauna Peruana, Vog. 1845, 98. Type 

 Sparvius gilvicollis, Vieill. 



Climacotirus, Bonap., 1849 (fide Gray). 



llhyncomegus, Bonap., Rev. et Mag. de Zool., 1854, 537. Type Falco 

 brachypterus, Temm. 



Notihicrax, Sund. Disp. Ace. Hemcroliarp, 1872, 25. Type Falco xantho- 

 thorax, Temm. 



