11 
are imbedded the remains of the large extinct Pachyderms, the Rhi- 
noceros, Mammoth, &c. He deemed it probable that the last of the 
race of Moas were destroyed by the earliest inhabitants of New Zea- 
land, as the Dodo was finally extirpated by the Dutch colonists of the 
Mauritius, and the Irish Elk by the early British or Celtic tribes ; 
but he considered it evident that the bone-deposit was in the progress 
of accumulation ages ere man inhabited the country. 
2. Drarrs FOR A NEW ARRANGEMENT OF THE TROCHILIDZ. By 
Joun Goutp, F.R.S. L.S. Z.S. erc. (continvep From Parr XV.). 
Genus HELIANTHEA. 
Gen. char.—Rostrum longum, rectum vel sursum aliquantd tendens, 
cylindraceum. Nares basales, et plumis a rostri basi porrectis, 
obtectze. Ale mediocres, et validze. Cauda mediocris, et occlusa, 
paululim furcata. Pedes perparvi. Tarsi admodim breves, et 
plumis induti. Hallue brevissimus. 
Bill long, straight or inclining upwards, and cylindrical; nostrils 
basal and covered with the feathers advancing from the base of the 
bill; wings moderately long and powerful ; tail of medium size and 
slightly forked when closed; feet very small; tarsi extremely short, 
and clothed with feathers ; hind-toe the shortest. 
Types, Trochilus helianthea and Bonapartii. 
Remark.—Plumage of the males rich and beautiful in the extreme. 
Hab. So far as is yet known, the Cordillerian Andes. 
HeiantueEa Eos (n. sp.), Aves, t.i. Hel. mas, summo capite nigro, 
apud frontem notd metallicé aureo-viridi ; collo anteriore et pectore 
splendideé aureo-viridibus ; gutture centrali notam intense ceruleam 
Serente. 
Male.—Crown of the head black, with a shining spot of metallic 
golden green on the forehead; fore-part of the neck and chest lus- 
trous golden green, the golden green predominating on the lower 
part of the chest; on the centre of the throat a patch of rich deep 
blue; abdomen rich shining flame-colour; back, wing and upper 
tail-coverts bronzy orange; tail cinnamon-brown, the apical half of 
the two middle feathers and the tips of the remainder with a bronzy 
lustre ; primaries chocolate-brown ; secondaries reddish buff, forming 
a conspicuous mark on the wing. 
Female.—Similar in colour, but much less resplendent, and entirely 
destitute of the spot of green on the forehead and the patch of blue 
on the throat. 
Total length 5} inches; bill 15; wing 23; tail 2; tarsi 3;. 
Hab. The highlands of New Grenada and Venezuela. 
Remark.—Nearly allied to H. Bonapartii. 
Genus AcL&AcTIs. 
Gen. char.— Rostrum sub-breve, paululim apud basin depressum, 
rectum. ares basales. Ale elongate, valide; remigibus pri- 
mariis falciformibus hac forma precipué apud primam pennam 
