Order III. SCAXSORES. 
Family lY. Cuculid^. 
The third Subfamily, 
COCCYZINiE, or Ground Cuckows, 
have the Bill generally elevated at its base, with the culmen arched, and the sides much compressed to 
the tip, which is entire ; the gonys usually long and straight ; the nostrils basal, with the opening 
generally linear, and partly closed by a scale ; the Wings moderate, and more or less rounded ; the Tail 
long and graduated ; the Tarsi lengthened, and covered with broad scales ; the Toes unequal, and 
armed Avith various-sized claws. 
CouA Cuv* 
Bill moderate, with the culmen more or less curved, and the sides compressed to the tip, which is 
entire ; the lateral margins curved, and the gonys long and ascending ; the nostrils basal, sunk in a 
broad short groove, with the opening anterior, linear, and oblique. Wings moderate, and much 
rounded ; with the fifth, sixth, and seventh quills equal and longest. Tail long, broad, and much 
rounded on the sides. Tarsi longer than the middle toe, and covered in ft'ont with broad scales. Toes 
unequal ; and armed with moderate, compressed, curved, acute claws. 
It is in Madagascar, and on the eastern side of the continent of Africa, that the species of this genus are found. 
1. C. gigas (Bodd.) PI. enl. 815. — Cuculus raadagascariensis 4. C. iSern'ana (Pucher.) Rev. Zool. 1845. p. 51. 
Gmel. ; Coccyzus virescens Vieill. 5. C. Reynudi (Pucher.) Rev. Zool. 1845. p. 51. 
2. C. ccerulea (Linn.) PI. enl. 295. f. 2., Le Vaill. Ois. d'Afr. t. 6. C. ruficeps G. R. Gray. 
218., Gal. des Ois. t. 41. 7- C. Delalandi Tcmra. PI. col. 440. 
3. C. criDtata (Linn.) PL enl. 589., Le Vaill. Ois. d'Afr. t. 217- 
Centropus lUig.^ 
Bill short, elevated at the base, with the culmen much curved, and the sides much compressed to the 
tip, which is entire ; the lateral margins much curved, and the gonys long and straight ; the nostrils 
sunk in a short broad groove, with the opening anterior, linear, oblique, and partly closed by a 
membranous scale. Wings rather long, and much rounded ; with the fourth, fifth, and sixth quills 
• Established by Cuvier in 1817 (Regne Animal, i. p. 454.). Serisomns of Mr. Swainson (1837) is coequal. 
t llliger established this genus in 1811 (Prodromns, &c. p. 205.). Polophilus of Leach (1814) and Corydonijc of Vieillot (18l6) are 
synonymous. 
