CHAP. XVIII,] 
BIKDS. 
309 
being to Madagascar at the time of the approximation of that 
sub-region to Ceylon and Malaya. A later infusion of Oriental 
forms took place probably by way of Arabia and Persia, 
when those countries were more fertile and perhaps more ex- 
tensive. Australia has also received its cuckoos at a somewhat 
late date, a few having reached the Austro- Malay Islands some- 
what earlier. 
The classification of the family is somewhat unsettled. For 
the American genera I follow Messrs. Sclater and Salvin ; and, 
for those of the Old World, Mr. Sharpe’s suggestive paper in the 
Proceedings of the Zoological Society, 1873, p. 600. The following 
is the distribution of the various genera : — 
( 21 %) phcenicophaes (1 sp.), Ceylon ; ( 2196 ) Bhamphococcyx (I 
sp.), Celebes; ( 2196 ) Bhinococcyx (1 sp.), Java; ( 2196pt <^ 2203 ) 
Bhopodytes (6 sp.), Himalayas to Ceylon, Hainan, and Malaya; 
( 2203 pt.) p 0 n 0 C 0 CC y X (i S p.), Malacca, Sumatra, and Borneo; ( 2197 ) 
Dasylophus (1 sp.), Philippine Islands ; ( 2198 ) Lepidogrammus (1 
sp.), Philippine Islands ; ( 220 °) Zanclostorrms (1 sp.), Malaya ; 
( 2201 ) Ceuthmochares (2 sp.). Tropical and South Africa and 
Madagascar ; ( 2202 ) Taccocua (4 sp.), Himalayas to Ceylon and 
Malacca; ( 2204 ) Bhinortha (1 sp.), Malacca, Sumatra, Borneo; 
( 2199 ) Carpococcyx (1 sp.), Borneo and Sumatra ; ( 222 °) Neomorphus 
(4 sp.), Brazil to Mexico ; ( 2205 2m ) Coua (10 sp.), Madagascar ; 
( 2207 ) Gochlothraustes (1 sp.), Madagascar; ( 2221 ) Centropus (35 
sp.), Tropical and South Africa, the whole Oriental region, 
Austro-Malaya and Australia ; ( 2213 ) Crotophaga (3 sp.), Brazil 
to Antilles and Pennsylvania ; ( 2212 ) Guira (1 sp.), Brazil and 
Paraguay ; ( 2209 ) Geococcyx (2 sp.), Guatemala to Texas and Cali- 
fornia; ( 22 H) Dromococcyx (2 sp.), Brazil to Mexico; ( 221 °) Diplopterus 
(1 sp.), Mexico to Ecuador and Brazil ; ( 2208 ) Saurothera (4 sp.), 
Greater Antilles ; ( 2219 ) Hyetornis (2 sp.), Jamaica and Hayti ; 
(2215) pi a y a (3 S p,) 3 Mexico to West Ecuador and Brazil; ( 2218 ) 
Morococcyx (1 sp.), Costa Bica to Mexico ; ( 2214 ) Goccygus (10 sp.), 
La Plata to Antilles, Mexico and Pennsylvania, Cocos Island ; 
(2227) Cuculus (22 sp.), Palsearctic, Ethiopian, and Oriental regions, 
to Moluccas and Australia; ( 2229 ) Caliecthrus (1 sp.), Papuan 
Islands ; ( 2230_2232 ) Cacomantis (15 sp.), Oriental and Australian 
