112 FALCONIDE. 
1. Herpetotheres cachinnans. 
Falco cachinnans, Linn. Syst. Nat. i. p. 128°. 
Herpetotheres cachinnans, Vieill., Scl. P. Z. S. 1857, p. 2017; 1859, pp. 368°, 389*; Moore, P. Z.8. 
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. 182°; Mem. Bost. Soc. N. H. ii. p. 300"; Bull. U.S. Nat. Mus. 
no. 4, p. 4171; v. Frantz. J. £. Orn. 1869, p. 367°; Salv. P. Z. S. 1870, p. 214”; Ridgw. 
Bull. U.S. Geol. & Geogr. Surv. ii. p. 187’4; Sharpe, Cat. Birds Brit. Mus. i. p. 278"; 
Sumichrast, La Nat. v. p. 2371"; Nutting, Pr. U.S. Nat. Mus. vi. p. 389; Boucard, P. Z.8. 
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. 8S. Nat. Mus. xvi. p. 521”. 
Supra brunneus, plumis singulis anguste rufescenti-brunneo marginatis; alis dorsi concoloribus, scapularibus 
et secundariis intimis celatim rufo vel ochraceo notatis; remigibus obscure brunneo fasciatis, intus 
ochraceo fasciatim notatis ; primariis ochraceis vel rufescentibus, juxta rhachidem brunneo maculatis vel 
semifasciatis, versus apicem brunneis; supracaudalibus longioribus ochrascenti-fulvis, immaculatis ; 
rectricibus nigricantibus, ochraceo terminatis et vittis latis ochraceis 5-transfasciatis; pileo et cervice 
toto ochrascenti-albis, illo striis rhachidalibus nigris notato; linca angusta superciliari et facie laterali tota 
nigris ; regione parotica ad fasciam latam nuchalem nigram utrinque conjuncta; genis anticis et corpore 
subtus toto pallide ochrascentibus, gutture albidiore ; subalaribus, axillaribus et alis intus pallide 
rufescentibus, vix brunneo maculatis, his versus apicem fusco fasciatis: rostro plumbescenti-nigro, cera 
et; mandibule basi flavis; pedibus viridescenti-flavis vel sordide albis; iride pallide brunnea. Long. tota 
circa 19:5, alee 10-9, caudee 8°7, tarsi 2-25. (Descr. maris ex Brit. Honduras. Mus. nostr.) 
2 ad, mari similis. Long. tota 19°5, ale 10-7. (Descr. femine ex Brit. Honduras. Mus. uostr.) 
Juv. adulto similis, et eodem modo picturatus, sed saturatior, notei plumis latius rufo marginatis; scapu- 
laribus nonnullis extus rufis, intus ochrascenti-albis; caudze fasciis tribus magis rufescentibus. 
Hab. Mexico, both coasts (Sumichrast 18), West and South Sonora (Grayson !°), 
Mazatlan (Grayson!°), Beltran and Zapotlan in Jalisco (Lloyd), Volcan de 
Colima (Richardson), Chietla, Santa Ana (Ferrari-Perez}°), Jalapa (Sallé?, 
de Oca*), Vega del Casadero (MZ. Triyillo), Playa Vicente (Boucard +, M. Trujillo), 
Chimalapa (Richardson), ‘lehuantepec (Sumichrast 1, Richardson), Tapana}, 
Tonala (Sumichrast), Teapa in ‘Tabasco (Mrs. H. H. Smith), N. Yucatan 
- (Gaumer}8), Chichén Itza (Chapman ?°); British Honpuras, Western District 
(Blancaneaux); Guatemaua, Chimalapa (0. S.°), Choctum, Hscuintla, Retalhuleu 
(0. S. & F. D. G.); Honpuras, Omoa (Leyland®), San Pedro (Whitely*); 
Nicaragua, Matagalpa, San Emilio, Lake of Nicaragua (ichardson), Chontales 
(Beit), Sucuyd (Nutting 1"), Rio Escondido (Richmond #1); Cosra Rica (v. Frantzius, 
Carmiol), Talamanca (Gabb 4, Underwood), Bebedero, Miravalles (Underwood) ; 
Panama, Boquete de Chitra (E. Arcé}*), Line of Railway (M‘Leannan *).—Sovuru 
America generally to 8. 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 38. 
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 
