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Selasphorus sasin (Less.) without doubt. There is, however, a possibility, 

 that Lossou ilisiiilii'd an immature specimen of S. ra/us ; aud we therefore h'ave 

 it to others to decide this ijuestiou, and at present accept Henshaw's name. 



The female of Selasphorus alleni Hensh. has the rectrices broadly tipped with 

 metallic green, the lateral pairs with white ; the throat is white with rows of spots 

 of a dull shiniucf jrreeii, all the feathers being white with a large subtermiiuil spot 

 of dull shining green ; on the lower part of the throat is a small spot of glittering 

 red. These specimens are all alike, and tlierefore we cannot think that they are 

 yonng males ; besides, they are shot with full-jilumaged old males. 



A nest with young was found in April. The nestling resembles the above- 

 described supposed female, but is more brownish above and below and lias no 

 glittering feathers. The nest is lined with the softest vegetabb' wool, outside 

 ornamented with leaves, lichens, and fibres of the loofah. 



2ii. Trochilus colubris Mnn. 

 Collected in October aud December, near t'hilpanciugo, Mexico, at elevations 

 of 5000 feet. 



21. Trochilus alexandri Bourc. & Mnls. 



A fine series, in good plumage, collected in California between April ;iud 

 August. 



Nest and eggs in May. The nest is a curious longish structure. It is 60 

 millimetres long, attached to a perjjendicular twig, at the tojj 34 mm. broad, 

 atteunatiug towards the end, where it is only 10 mm. broad. The cup measures 

 20 mm. across, and is 19 deep. The nest consists of a fine and soft yellow kind 

 of wool, and is at the lower end ornamented with some leaves. The eggs measure 

 13x8 and 13-6 x 8-5 mm. 



22. Calypte costae (Bourc). 

 A wonderful series from California. Nest and eggs found on the first of 

 June. The nest is a rounded deep cup, densely woven together, of cobwebs, hairs, 

 soft wool, and feathers, very sparsely ornamented with moss and lichens. It is 

 outside 24 mm. high, 32 broad : the cuji is 2ii mm. wide across and IT dec]). The 

 egg measures 13x8 mm. 



23. Calypte anna (Less.). 



A fine series from California, wliere they were observed all the year round. 

 Nest and eggs were found from February to June. The nest has the form of a 

 chaffinch's nest, aud is 40 mm. long, 46 bro.id, 20 inside across. It is built of 

 the soft wo(d of the silk-cotton-tree, moss, roots, feathers, etc. It is covered 

 outside With, lichens, lined inside with cotton-wool and feathers. 



The eggs measure 13x9 mm. 



^Oto'^ 



24. Atthis heloisae (Less. & Delattre). 



Near Cliilpaiicingo. Mexico, at elevations of 7000 feet, from July to November, 

 when they were in e.Ncelleut plumage. 



2o. Stellula calliope (Gould). 

 A series of this lovely bird was collected on flie Sierra Nevada of California 

 in Julv. 



