Plate LXVII. 



THYBOBHINA SCHOMBURGKI 



(SCHOMBTJKGK'S CEAKE). 



Crex schomhurgTci 



Micropygia 

 Ortygometra schomburghi 

 Thyrorliina schomourgki 



Cab. in Schomb. Guian. ii. p. 245, et iii. p, 760. 



Scl. & Salv. P.Z.S. 1868, p. 169. 



Bp. C. E. xliii. p. 599. 



Bp. Bull. Soc. Linn, de Normandie, p. 40 ; et Cat. Ois. Cayenne, p. 16. 



Scl. et Salv. P.Z.S. 1868, p. 458. 



Supra olivacea albo guttata, bis maculis albis nigro circumdatis : subtus rubiginosa, gula albicante, abdomine 

 medio albo : rostro corneo, mandibulse apice nava : pedibus aurantiacis : long, tota 5 # 0, alse 33, caudss 1*4, rostri a 

 rictu 0'6, tarsi 0'85, dig. med. cum ungue 0*9. 



Hah. in Guiana Brit. (ScJiomb.) : Cayenna (Deplanches): Venezuela, Caripe (Goering): Caraccas (Levraud, in 

 Mus. Paris.) 



i 



Head of Thyrorhina scTiomburgki.* 



The peculiar form of the nasal opening's, which are partly covered over in front by a 

 horny membrane and are completely divided from each other by a median septum, has induced 

 us to refer this species to a new genus, these characters not occurring in any other American 

 form of Ballince. In other respects this little Crake agrees generally with the smaller American 

 species of Porzana. The form of the wing corresponds nearly with that of P. noveboracensis, 

 the second and next three following primaries being nearly equal and longest, and the external 

 secondaries elongated, so as to be longer than the outer primary. The toes are slender, the 

 middle toe with its nail hardly exceeding the tarsus in length. The tibiae are feathered nearly 

 down to the joint. The tail is rather longer than is usual among the smaller Ballidce, and not 

 so much concealed by the coverts. 



Siipog, porta, et pic, nasus. 



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