( 378 ) 

 89. Psilomycter theresiae theresiae (I'a Silva). 



Trochilii.i thrrcsiae Da SUva, Mui. Min. Bras. 1843. p. 2 + 



Polytmus Theresiae Cabanis & Heine, Mus. Hem. iii. (18GU) p h (Parii). 



1 S .jr. : 18. -xii. 05. No. 377. " Iris black." 



This specimen agrees perfectly with a good series from Surinam and British 

 Guiana, having the under tail-coverts spotted with shining green. 



4 (JcJ collected by Natterer at ManAos belong also to this form, while those 

 obtained by him near Marabitanas on the Upper Rio Negro (3 (?(?,2 ? ?) represent 

 P. t. leucorrlums Scl. & Salv., which diftVr.s only in having the nnder tail-coverts 

 pnre white. 



90. *Topaza pella (Linn.) 



Trnchilua Pella Linnaeus, Syst. Nat. x. (1708) p. 119 (ex Edwards, Ornith. i. pi. 32 fig. inf.- 

 Stirinam). 



A single ? moulting: 16. xii. 05. No. 359. " Iris black." 

 Though collected by Natterer near Manios, this species has not yet been 

 recorded from Para. 



91. Heliotlirix auriculatus phainolaema (Jould. 



Cf. Hellinnyr, Nor. Znol. xii. (I'.iOo) p. 297 (Igarap^-Assii). 



1 S ad., 2. xi.; I ? ad., 20. xi.; ?. 3 S juv., 4, 13, 14. xi. 05. Nos. 72, 122, 

 155, 152, 337. " Iris black." 



The (? ad. agrees perfectly with the one sent by Robert, having the whole 

 throat glittering golden-green without any trace of the white median stripe, 

 characteristic of typical //. a. auriculatus of S.E. Brazil. 



The ? ad. and the young males have the underparts pure white, not spotted, 

 while in the corresponding plumages of the typical form there are always distinct 

 bronze-brownish spots_on the foreneck and chest. In the nearly allied H. auritus 

 (Gm.) there occur occasionally females with pure white underparts, though, as a 

 rule, they are spotted like those of//, auriculatus auriculatus. 



Besides" the colour of the throat in the males, there is a marked difference in 

 size between //. a. auriculatus and H. a. phainolaema, the latter having decidedly 

 shorter wings. 



//. a. auriculatus : U S S ad., wing 68— 71.— 10 ? ? , wing 67—70 mm. 



H. a. phainolaema: 'i S S ad., wing 01, 63, 65.-4 ? ? and c?c? juv., wing 

 62—65 mm. 



It may be added that I have examined the type of //. aequatoriali.-i Boncard, + 

 said to have been collected by Buckley in Ecuador, and found it to lie a sMn of the 

 well-known Rio-make, differing in no way from typical H. a. auriculatus. The 

 dillerences alluded to by Boncard are merely individual. In Natterer's series there 

 are from the same localities specimens with the chin and sides of the head pure 

 glittering green and others which show there a more golden hue (Ypanema, 

 Goiaz, etc.) 



t I have not l)con able to verily this quotation. 



J Gen. Humming liiriU p. 311 (1893.— Type now in Paris Mnscum). 



