IIFLEODYTES. 353 



Family THOGLODYTID.E. 



When Brabourne and Cliubl) published their ' List of the Birds 

 of South America Mn 1912, this family was represented by ten 

 genera and one hundred and fifteen species. Se^-en of the genera 

 and ten of the species are known to occur in British Guiana. 



Genus HELEODYTES Cal). 



Heleodyies Cabanis, Mus. Hein. i. p. SO, I80I. Type H. griseus 

 (Swains.). 



Fig. 13G. — To show the form of the bill. 



The species on which this genus was founded is one of the 

 largest of the Wrens. The bill is long and compressed, the width 

 at the posterior part of the nostrils is about equal to its depth, 

 the nostrils are oval in shape and have a sujierior membrane. 

 The wing is almost square, the tiiird to the seventh primaries 

 longest and subequal, the second about equal in length to the 

 eighth. The tail is rounded at the tip and nearly as long 

 as the wing. The middle toe and claw are about equal in length to 

 the exposed culuien. Coloration : male and female similar. 



5G6. Heleodytes griseus. 

 Large Marsh-Wren. 



Furnarius griseus Swuius. Anini. in Meiiag. )). 32-3, 183S (Savannas of 



Guiana). 

 Campy lorhynchus griseus Cab. in Schomb. Keis. Guian. iii. p. 674, 184S ; 



Sliarpe, Cat. li. IJrit. Mus. vi. \k ISO (])ait), 1881. 

 Cainpylorhiii/chus hicolor (nee IVdz.) Sharpe, Cat. 13. Brit. Mus. vi. 



p. 188, 'I88I (British Guiana). 

 ILclecnlytt's griseus Brabourne & Chubb, B. S. Amer. i. p. 330, no. 3309, 



1012. 



Adult. Crown of the head, nape, and a line from the lores througli 

 the eye backward to the sides of the neck blackish; entire back, 

 wings, scapulars, and upper tail-coverts clay-brown ; inner webs 

 of the bastard-wing, priuuiry -coverts, and llight-ciuiUs Idaekish 



VOL. II. 2 A 



