238 ZOOLOGICAL RESEARCHES 



Ar de a ardesiaca. 



Ardea ardesiaca , Wagl. Syst. Av. Ard. sp. 20 ; — Hartl. 

 Orn. W. Afr. p. 222 ; — Schl, Mus. P.-B., Ardeae, p. 10; — 

 Boc, Orn. d'Ang. p. 440. 



Ardea calceolata , Du Bus , Bull. Acad. Brux. IV. p. 39 , 

 pi. 3; — Hartl. 1. c. 



Ardea Jiavimana, Sund. Oefv. Akad. Förh. 1850 , p. 111. 



Hab. The whole of Africa below the Sahara ; Madagascar. 



This Heron was never found in flocks together, as was 

 the case with A. atricapilla. It rather prefers to sit singly 

 or in pairs in marshy, not too thickly wooded places 

 along creeks and rivulets. 



Iris chestnut, bill black, tarsi black, toes yellow, bare 

 skin round the eye black. 



Ardea alba. 



Ardea alba , Linn. Syst. Nat. I. p. 239 ; — F. & Hartl. 

 Vög. 0. Afr. p. 683. 



Ardea Jlavirostris et melanorJiyncha , Hartl. Orn. W. Afr. 

 pp. 220 & 221. 



Ardea alba et egretta, Schl. Mus. P.-B., Ardeae. pp. 16 & 17. 



Herodias alba, Boc. Orn. d'Ang. p. 442. 



Hab. South of Europe and Asia ; the whole of Africa , 

 Australia, America. 



Collected near the Fisherman Lake , where it is not seldom 

 seen fishing in the shallow water or sitting on the clumps 

 of Mangroves which partially cover the banks of the lake. 



Iris and bill yellow , tip of maxilla blackish , feet black. 



Ardea gularis. 



Ardea gularis, Bosc, Actes Soc. d'hist. nat. Paris. 1. p. 

 4, pi. 2; — Schl. Mus. P.-B., Ardeae, p. 23. 



Ardea gularis et schistacea, Hartl. Orn. W. Afr. p. 221. 



Notes from tlie Leyden IMuseum, "Vol. VII. 



