452 W. Hartwig: 



aber auch einige sclion längst ausgesprochene Thatsachen, welche 

 in der Neuzeit in den Hintergrund gedrängt wurden, oder welche 

 man als blosse Meinungen und Ansichten bekämpfte, wieder etwas 

 mehr in Erinnerung bringen. Sollte ich selber dabei neue Irrthümer 

 zu den alten gehäuft, statt die letzteren klargestellt zu haben, so 

 wird man mich berichtigen; die Vogelzugfrage aber wird auf jeden 

 Fall daraus Nutzen ziehen. 



Com pendln m 

 der neu Ibeschriebenen (xattiingen und Arten. 



Von 



Ant. Beichenow und Herman Sehalow. 



Serie VEI. 



(Enthaltend die während des Jahres 1883 neu beschriebenfen Gattungen 



und Arten). 



Fam. STRUTEIONIDAE. 



1. Struthio molybdophanes s. Compend. XI. Folge. 

 Serie VH. J. 0. 1883. p. 399. 



Fam. PROCELLARIIDAE. 

 -\~ 2. O estrelata Fischeri. 



R. Ridgway, Proc. ün. St. Nat. Mus. Vol. 5, p. 656. 



Ground color of the head, neck, and lower parts pure white, 

 but this unvaried only on the sides of the forehead, lores, malar 

 region, chin, throat, jugulum, and crissum ; feathers of middle portion 

 of forehead (longitudinally) and fore part of crown marked with a 

 central spot of slate-color, these spots mostly approaching a lozenge- 

 shaped form, but becoming gradually more transverse posteriorly, 

 and at the same time paler in color; the terminal margin of the 

 feathers grayish white ; a distinct blackish spot immediately before 

 and beneath the eye; sides of the breast washed with grayish; 

 belly and flanks overlaid by a nearly uniform wash of smoky plum- 

 beous, but the white showing through in places; many feathers of 

 the sides barred with plumbeous-gray; anterior under wing-coverts 

 dark sooty-gray or slate-color, those along the outer margin mainly 

 of the same color; rest of under surface of the wing, including 

 inner webs of primaries, uniform pure white, the latter having 

 merely a narrow, but very abruptly defined, dusky stripe next the 

 shaft, the white being margined for a short distauce along the 

 terminal portion with grayish; axillars mainly plumbeous, or barred 

 with the same. Nape, back, scapulars, rump, upper tail-coverts, 

 and middle tail-feathers, bluish plumbeous, darkest on the lower 

 part of the rump, the feathers with distinct dusky shaft-streaks, 

 except on the nape. Tail (except middle feathers) white, with very 

 irregulär transverse bars or vermiculations of plumbeous-gray. Lesser 



