112 PALCONID^. 



1. Herpetotheres cachinnans. 



Falco cachinnans, LiDn. Syst. Nat. i. p. 128 \ 



Herpetotheres cachinnans, Vieill., Scl. P. Z. S. 1857, p. 201 * ; 1859, pp. 368 ^ 389 ' ; Moore, P. Z. S . 



1859, p. 52°; Scl. & Salv. Ibis, 1859, p. 215^ P. Z. S. 1870, p. 838"; Lawr. Ann. Lye. 



N. Y. vii. p. 289'; ix. p. 132°; Mem. Bost. Soc. X. H. ii. p. 300"; Bull. U. S. Nat. Mus. 



no. 4, p. 41'^; V. Frantz. J. f. Orn. 1869, p. 367"; Salv. P. Z. S. 1870, p. 21i"; Ridgw. 



Bull. U. S. Geol. & Geogr. Surv. ii. p. 137"; Sharpe, Cat. Birds Brit. Mus. i. p. 278''; 



Sumichrast, La Nat. v. p. 237 " ; Nutting, Pr. U. S. Nat. Mus. vi. p. 389 " ; Boucard, P. Z. S. 



1883, p. 457"; Ferrari-Perez, Pr. U. S. Nat. Mus. ix. p. 168"; Chapman, Bull. Amer. 



Mus. N. H. viii. p. 286 -° ; Richmond, Pr. U. S. Nat. Mus. xvi. p. 521 ". 



Supra brunneus, plmnis singulis angnste mfescenti-bnmneo marginatis ; alis dorsi coneoloribus, scapularibus 

 et secundariis intimis celatim rufo vel ochraceo notatis ; remigibus obscure brunneo fasciatis, intns 

 ocbraceo fasciatim notatis ; primariis ochraceis vel rufescentibus, juxta rhachidem brunneo maculatis vel 

 semifaseiatis, versus apicem brunneis ; supracaudalibus longioribus ochrascenti-fulvis!, immacnlatis ; 

 rectricibus nigricantibus, ochraceo terminatis et vittis latis ochraceis 5-transfasciatis ; pileo et cervice 

 toto ochrascenti-albis, illo striis rhachidalibus nigris notato : linea angusta supercUiari et facie lat«rali tota 

 nigris ; regione parotica ad fasciam latam nuchalem nigram utrinque conjuncta ; genis anticis et corpore 

 subtus toto pallide ochraseentibus, gutture albidiore ; snbalaribus, axillaribns et alis intns pallide 

 rufescentibus, vix brunneo maculatis, his versus apicem fusco fasciatis : rostro plumbescenti-nigro, cera 

 et mandibulae basi flavis ; pedibus viridescenti-flavis vel sordide albis ; iride paUide brunnea. Long, tota 

 circa 19-o, alse 10-9, caudae S'7, tarsi 2-25. (Descr. maris ex Brit. Honduras. Mus. nostr.) 

 2 ad, mari similis. Long, tota 19'5, alae 10"7. (Descr. feminsB ex Brit. Honduras. Mus. nostr.) 

 Juv. adnlto similis, et eodem modo picturatus, sed saturatior, notsei plumis latins rufo marginatis ; scapu- 

 laribus nonnuUis extus rufis, intns ochrascenti-albis ; caudse fasciis tribns magis rufescentibus. 



Hab. Mexico, both coasts [Sumichrast ^^), ^^'est and South Sonora {Grayson ^^), 

 Mazatlan {Grayson^^), Beltran and Zapotlan in Jalisco {Lloyd), Volcan de 

 Colima [Bichardson), Chietla, Santa Ana {Ferrari- Perez ^^), Jalapa {Salle^, 

 de Oca ^), Vega del Casadero {M. Trujillo), Playa Vicente {Boucard \ M. Trujillo), 

 Chimalapa {Biclmrdson), Tehuantepec {Sumichrast ^^, Bichardson), Tapana ^^, 

 Tonala {Sumichrast), Teapa in Tabasco {Mrs. H. H. Smith), N. Yucatan 

 {Gaumer^^), Chichen Itza {Chapman ^°) ; British Honduras, Western District 

 {Blancaneaiix) ; Guatemala, Chimalapa {0. S.^), Choctum, Escuintla, Retalhuleu 

 {0. S. & F. I). G.); HoifDURAS, Omoa {Leyland% San Pedro {^Vhitely'^)\ 

 Nicaragua, Matagalpa, San Emilio, Lake of Nicaragua {Biclmrdson), Chontales 

 {Belt), Sucu J a {Nutting ^^), Rio Escondido {Bichmond ^^) ; Costa Rica {v. Frantzius, 

 Carmiol), Talamanca {Gabh^^, Undenoood), Bebedero, Miravalles {Vndoivood) ; 

 Panaiha, Boquete de Chitra {E. Arce ^^), Line of Railway {M'Leannan *). — South 

 America generally to S. Brazil and Paraguay ^^. 



In Mexico the species is, according to Sumichrast, found on both coasts, and 

 specimens have been procured from nearly every province, and in Vera Cruz 

 and Tehuantepec he speaks of it as common up to an elevation of 1000 metres ^^. 



Dr. Gaumer obtained it in Northern Yucatan, and M. Blancaneaux in the western 

 district of British Honduras. In Guatemala we found it not uncommon on the 



