Iv ANATIDAE i 
are found in pairs, plunging in the cascades, diving below the 
boulders, or stemming the impetuous current with equal facility. 
Sub-fam. 3. Hrismaturinae—Biziura lobata, of Tasmania and 
Australia—except the north—is brown with buff mottlings, the 
bill and its leathery appendage being greenish-black and the feet 
dusky. The smaller female has less chin-lobe. This species frequents 
the sea as well as lakes, roosts in trees, and when diving remains 
long submerged; the food consists of mussels, leeches, and aquatic 
Fic. 33.—Musk Duck. Biziura lobata. x}. (From Nature). 
worms ; the note resembles the dropping of water. The nest, placed 
on a stump or in a bank, contains two olive eggs; the musky smell 
of the sitting female having suggested the name of Musk Duck. 
Erismatura ‘contains seven “Lake Ducks,” inhabitants of 
fresh - water lagoons, which dive like Grebes, and remain 
with only the bill exposed; they are often tame, and when 
disturbed splash along the surface like a Moor-hen, to settle 
again almost immediately; in swimming the spiny tail is 
carried erect, suggesting a comparison to a “ two-peaked saddle.” 
The note is said to be a curious inward sound; the food is of fish, 
