136 Dr. HoitsFi eld's Systematic Arrangement 



** Aquila? Bechstein, Temminck. 

 a. Les Aigles Pecheurs Cuv. Haliactus Savigny. 



Spec. 4. Falco Tondicerianus Gmel. 



Aquila ponticeriana. Brisson. i. p. 450. PL Enl. 416. 

 Ulang Javanis. 



b. Les Balbusards Cuv. Pandion Savigny. 



Spec. 5. Falco Ichthycetus mihi. 



F. fuscescens, ventre postice crisso cauda cruribusque albis, 



cauda apice nigrescente. 



Jokowuru Javanis. 



Longitude- 2 ped. 4 poll. 



Caput griseum, gula albida. Collum griseo-fuscescens. Pectus 

 et abdomen pallide subferrugineo-fuscescentia. Remiges per- 

 fuscae. 



As this section of the second division of Falcons, the Balbu- 

 sards, possesses some peculiarities of character, I here add the 

 detailed description of our bird. 



Rostrum longum : maxilla ultra medium abrupte adunca, ungue 

 longo, tomia marginibus fortiter flexuosis. Mandibula apice 

 oblique truncata. Nares magnse subtrapeziformes. Cera supra 

 nuda lateribus pilis adspersa. Alee breves : remex prima Inte- 

 gra brevis ; secunda tribus sequentibus (quae longiores sunt, 

 subajquales et tenuiter interne et externe emarginat.e) paulo 

 brevior, et fortiter interne emarginata. Cauda longissima sub- 

 rotundata. Pedes elongati validi ; tarsi basi plumis paucis 

 densis vestiti. Digiti longi, medio longiore lateralibus sub- 

 sequalibus. Ungues longi fortius curvati, teretes, attenuati, 

 acutissimi, medio interne sulcato ; anteriorum internus maxi- 

 mus, externus minimus, hallucis medio antico major. 



Cuvier 



