AMBLyCKRClTS. CASSTCULUS. CASSIDTX. 371 



Genus AMBLYCERCUS, Cabanis. 



Atnblycercus solitarius ( Vielll.). 

 (Plate XV I. figs. 5, 6.) 



Amblycereus solitarius, Scl. Cat. Birds B. M. xi. p. 326 (188R) ; Aph'n, 

 J/)is, 18'J-i, p. 171 ; Iheriitf/, Bei: Mus. Paulista, iv. p. 219 (1900); 

 tShnrpe, Iland-l. v. p. 487 (1909): Nehrk. Eat. Eiersamml. p. 341 

 (1910). 



Two eggs of the Solitary Cassique, also kuown as the " Boyero," are 

 of a long pointed oval form, pure white, and devoid of glos!^ ; one 

 egg h;is a few scattered spots and markings of deep brownish-black 

 and dull purpli-sh-brown, the other has a few large irregular blotches 

 of pur[>lish-brown and smaller markings of the same colour scattered 

 over tiie shell. They measure 1-12 by "T-l and 1-2 by -75. 



2. Argentine Hepublic. Crowley Bequest. 



Genus CASSICULUS, Swains. 



Cassiculus nielanicterus {Bonap.). 



(Plate XVI. fig. 10.) 



( 'assiculus nielanicterus, Laivr. Mem. Bost. Soc. N. H. ii. p. 278 (1874) ; 

 <SV'/. Cat. Birds B. M. xi. p. 328 (1866) ; Sa/v.^- Godni. Biol. Centr.- 

 Amer., Ai:ex,i. p. 443 (1886) ; Nehrk. Kat. Eiersamml. p. 99 (1899) 

 ]i. 341 (1S»10); Ridytv. Birds North ^- Middle Amer. li. p. l9l 

 (1902) ; Sharpe, Hund-l. v. p. 488 (1909). 



Eggs of the Mexican Hangnest are of a broad oval shape and 

 devoid of gloss. They are very pale blue, sparingly spotted with 

 black and lavender-grey, the markings of the latter colour being, 

 however, very inconspicuous. Six examples measure respectively : 

 1-16 bv -8.3 • 1-15 by -8; I'lo by -79; 1-1 by -81; M by •« : 

 1-09 by -81. 



2. West Mexico. Crowlev Bequest. 



4. Oaxaca, Mexico. C. G. Kickards, Esq. [P.]. 



Genus CASSIDIX, Less. 

 Cassidix oiyzivora (Gmel.). 



Cassidix oiyzivora, fid. 4- Salv. P. Z. S. 1879, p. 510 ; Set. Cat. Birds 

 B. M. xi. p. 329 (1886); Salv. Sf Godin. Biol. Ccntr.-Amer., Aces, 

 i. p. 444 (1886) ; Kuschel, J. f. O. 1897, p. 168 ; Goeldi, Ibis, 1^97, 

 p. 361 ; Elder, Bcv. Mils. Paulista, iv, p. 37 (1900) : Iherinq, Pea. 

 Mm. Punligta, iv. p. 219 (1900); Hdiidz, J. f. O. 1900, p. 242 ; 

 Goeldi, Bol. Mus. l'araense,\\i. \).-2(}'^> (1901); Sharpe, Uand-l. v. 

 p. 488 (1909) ; Nehrk. Knt. Eiersamml. p. 341 (1910). 



Cassidix orvzivora violea, Pidjica^ Birds North ^- Middle Amer. ii. p. 197 

 (l!liJ2)". 



2b2 



