1868.] ON THE AMERICAN RALLID.E. 453 



Lawrence's Corethrura guatemttlensis is referable to this species, as 

 his description shows no reason to the contrary. 



We have also examined the type of Rallus castaneus (Puch, ex 

 Cuv.) in the Paris Museum, and have no doubt of its being a 

 synonym of Rallus concolor, Gosse. 



Prince Bonaparte names (C. R. xliii. p. 599), without describinor, 

 a Uujirallus boecJdi from the Berlin Museum. Schlegel (/. s. c.) 

 states that one of the types of this supposed new species is in the 

 Leyden Museum, and places it as a synonym of this bird, which he 

 calls Rallina castanea. 



l/J. PORZANA CASTANEICEPS, Sp. UOV, 



Supra olivacea : capite undique et corpore subtus ad imttm pectus 

 castaneis, gula dilutiore : ventre imo, tibiis et hypochondriis dorso 

 concoloribus : long, tola 8'0, alte 4'4, rostri a rictu 1"1, tarsi 2'0. 



Hab. Rio Napo {Mus. Brit.). 



Mils. Brit. 



There is a single exam|)le of this apparently undescribed species 

 in the British Museum. It was purchased from Mr. Grould in 1855. 

 The species is nearly allied to P. concolor, but is easily recognizable 

 by the chestnut colouring only extending over the head and front 

 part of the body below. 



(3) Laterirallus. 



C'lavis specierum. 



a. gula cum pectore castaneis 8. P. hnu.vueUi. 



h. gula alba, pectore albo aut nifo. 



a', crisso rufo 0. P. mekiiiophwa. 



b'. crisso albo nigroque transfaseiato 10. P. alhigularlR. 



c'. crisso medio nigro iitrinque albo 11. P. leucopyrrha. 



y%. Porzana haxjxwelli, sp. nov. 



Corethrura. sp. ?, Scl. & Salv. P. Z. S. 18G6, p. 200. 

 Porzana fasciata, Scl. & Salv. P. Z. S. 1867, p. 981. 

 Porzana hauxwelli, Scl. & Salv. Ex. Orn. p. 105, t. 53. 



Fuscescenti-olivacea, alis obscurioribus, capite toto cum collo et cor- 

 pore subtus ad imum pectus castaneis : abdomine rufo nigroque 

 transfaseiato : subalaribus rufis nigro maculatis : rostra obscure 

 corneo, pedibus saturate corylinls : long, tola 6'5, alee 3'5, caudee 

 1*2, tarsi 1*6, rostri a rictu 0'85. 



Hab. A.mazonia Peruviana ; Ucayali (Bartlett), Chamicurros et 

 Pebas (Haiwwell). 



Mus. Brit., S. & G. 



Obs. Similis P. castaneo, sed ventre rufo nigroque conspicue trans- 

 faseiato. 



9. Porzana melanoph.ea. 



Ypecaha pardo obscuro, Azara, Apunt. iii. p. 230. no. 3/6. 

 Rallus melanophaius, Vieill. N. D. xxviii. p. 549, et Enc. Meth. 

 p. 1064. 



Proc. Zool. Soc— 1868, No. XXX. 



