6 EAXLID^. 



i" . Nostrils linear, not pemoua, situated 



along the lower edge of tlie nasal [p. 166. 



gi'oove ; a large frontal shield 43. Paeeudiastes, 



i'. Toes long, the middle toe and claw ex- 

 ceeding the tarsus in length. 

 k" . Toes not lobed laterally; secondaries 

 decidedly shorter than primaries, 

 m'". Nostrils oval, in a distinct nasal 

 depression. 

 h*. Toes with a naiTOw lateral meni- 

 hrane * ; no lobes. 

 i^. Frontal shield rounded or trim- 

 cate posteriorly. 

 i^. Wings feehly developed, not 



three times the length of [p. 166. 



tarsus 44. Poephyeiornis, 



A;'\ Wings long, nearly four times [p. 167. 



the length of tarsus 45. Gallinula, 



A°. Frontal shield pointed posteriorly. 46. Poephyriops, 

 i^. Toes with no lateral membrane. [p. 182. 



I'. Sexes different : a large posterior 



caruncle on the frontal shield . 47. Galliceex t, 

 wt'. Sexes similar: blue and green [p. 183. 



in the plumage ; no posterior 

 caruncle on frontal shield .... 49. Poephtbiola, 

 n" . Nostrils roimded ; no nasal depres- [p. 187. 



sion ; blue in plumage. 

 k^. Wing-coverts ordinary, the second- 

 aries much shorter than the [p. 192. 



primaries 50. Poephyeio, 



V. Wing - coverts much elongated, 

 nearly hiding the quills ; the 

 secondaries nearly as long as the [p. 207. 



primai-ies 51. Notoenis |, 



I". Toes lobed laterally; primaries equal 



to secondaries . . ." 53. Folic a §, p. 209. 



1. RALLUS|[. ^ 



Type. 



Eallus, Linn. Sysf. Nat. i. p. 261 (1760; U. aquaticus. 



Biensis, Pucker. JRev. Zool. 1845, p. 278 R. madagascariensis. 



Liranopardalis {nee Cab.), Heine 8f Reichen. 



Numencl. Mm. Hein. p. 320 (1890) Pt. elegans. 



Range. Almost cosmopolitan, but not extending very high north. 



* Nearly obsolete in Forphyrioriiis. 



t Here must probably be inserted 48. Psammocrex, p. 186. 



I Probably here must be placed the extinct genus 52. Aptornis, p. 207. 



§ Here must be inserted the extinct genus 54. Leguatia, p. 225. 



II Eallus peruviaxcs. 

 Ballus peruvianus, Tacs. Orn. Perou, ill. p. 313 (1886). 

 Upper surface rufous-olive, spotted with black ; under surface of body with 

 the sides of the head and of the neck leaden grey ; the centre of the throat 

 slightly paler; flauks black, banded with white ; centre of the belly washed 

 with buff; lateral under tail-coverts entirely wliite, the middle ones black, 

 banded with wliite ; wings above uniform with the back, the under wing-coverts 



