428 CLASS xvi. 



Rhynchotus SPIX, GRAY. Bill of the length of head, or a little 

 longer than head, curved, slender, with mandibles equal. Nostrils 

 basal. Wings with third and fourth quills longest of all. Tarsi 

 covered anteriorly with a single row of scutes, somewhat short. 

 Hallux short, elevated, or resting on the point of claw. 



Sp. Rhynchotus rufescens, Tinamus rufescens TEMM. PL col. 412, GUEB. 

 Iconogr., Ois. PI. 46, fig. 3. 



Eudromia ISID. GEOFFR., Tinomotis VIGORS, GRAY 1 . Bill 

 short; nostrils placed near the base. Toes short, with claws thick, 

 sharp. Hallux none. 



a) With tarsi covered anteriorly with a single row of scutes. 



Sp. Eudromia elegant D'OBBIGNY and ISID. GEOFFB., GUEB. Mayas, de Zool. 

 1832, Ois. PL i. 



b) With tarsi reticulate anteriorly, with scales large, unequal. 



Sp. Eudromia Pentlandii nob., Tinamotis Pentlandii, Proceed. Zool. Soc. 

 1836, p. 79. 



Family XVI. Tetraonince. Bill short, broad at the base, com- 

 pressed at the sides, mostly thick. Nostrils often partly covered 

 by plumules or by a vaulted scale, basal. Head plumed, except 

 the region above the eyes often denuded, warty. Tarsi covered 

 anteriorly with scutes, sometimes shaggy with plumules; anterior 

 toes mostly joined at the base by membrane; hallux elevated or 

 resting on the point, more rarely none. Wings short, mostly 

 rounded, with third, fourth, or fifth quill longest of all. 



Hemipodius EEINW., TEMM., Ortygis ILLIG., Turnix BONNAT., 

 GRAY, Tridactylus LAC. Bill moderate, compressed, bent, with 

 upper mandible produced beyond the tip of lower; lower mandible 

 with angle somewhat prominent, ascending towards the tip. 

 Nostrils placed in a groove of bill, marginal, partly covered by 

 membrane. Tarsi covered before and behind by a single series 

 of transverse scutes, with a narrow, lateral squamiferous furrow 



1 There is no satisfactory reason for preferring the name compounded by VIGORS, 

 contrary to the rules of LINNAEUS, to that of GEOFF. ST.-HILAIBE ; for Eudromius of 

 BOIE, proposed as a generic name for a subdivision of Charadrius (Charadrius mori- 

 nettus), has not been adopted. 



