104 Dr. LaAtuAm’s Effay on the Trachea or Windpipes of Birds. 
VII. CRAX ALECTOR—Crestep Curassow. Tab. x. Fig. 2. 3s 
_ Cr. cera flava, corpore nigro, ventre albo. 
_ Crax Aleétor Linn. Sy/t. Nat. i. ps 269.—Jnd. Orn. 2. p. 622.— 
Briff: Orn. i. ps 298. t. 19. 
Mituporanga, Raii Syn. p. 56. 6.—/Viil. Orn. p. 115. t. 28. 
Hocco de Ja Guiane, Buf. O/f. ii. p. 375. pl. 13- 
Indian Cock, Piif. Mem t. p. 190.—Phil. Tranf. \vi. p. 215 
t. To.. fig.73. 
Crefted Ciiraffow, Gen. Syn. iv. p. 6go. 
4 
This likewife is a bird of fome peculiarity in refpect to the trachea, 
‘which is pretty ftout, and the rings in proportion: it paffes in a 
ftraight direction to the bottom of the neck, at which part it lofes its 
round form, and becomes fomewhat broad and flat; it then turns 
backwards and upwards for more than an inch, when it doubles 
again forwards and downwards; after which it enters the cavity of 
the breaft, and is diftributed by its two portions into’ the lungs.— 
This circumftance takes place at the front of the keel of the fter- 
num or breaft-bone, but does not enter into the keel itfelf, as in the 
three following fpecies. st] 
In the Philofophical Tranfaétions above quoted is a fue of the 
fubje& given by Dr. Parfons; it is alfo réprefented in the Plate re- 
ferred to in Pitfield’s tranflation of Memoires pour fervir a? Hiftoire des 
Animaux. ‘The firft of thefe I have thought right to copy (fig. 2.) 
and I have added alfo the figure of one which belonged to a bird in 
my own collection (fig. 3.), from which it differs not a little :—but I 
find that this part of the ¢rachea is apt to vary in different fpecimens ; 
for a fecond figure, engraved in the fame Plate of Pitfield, fhews the 
kend to be very fmall, appearing like a mere twift only; from which 
nee: circum 
