LAr eat

GEG

ENG OD WO 1kOrN:
20

ite sex zi Sa > sp ies he fii:
bel states that C. Douglasii and C. elegans are opposite sexes of the same species, the female
Dr. Gambel states that C. Lous k

é Is ¢ | C ll ction of tl e
; ale ae » |e aye oe id idds, that In the JOE 1e
bel | reterl: ed as the former, and the male as the latter 5 Call c
being’ charac iS

A EGE himself, which he says are
Acad f Sciences of Philadelphia, there are two specimens procured by himself, ays ¢
cademy of Sciences I ) |
£ J fe > . ‘ > VO PEA ; Y oleoans. + the fem ]
inl l | female of the same species, and of these the male agrees with C. elegans, and tl ale
certainly male and tem: sal st : | .
| till inclined to the opinion stated above, until additional
ith C. Douglasti: notwithstanding, I am still inclinec |
with ©. PS Uasue « ‘

evidence of my being in error has been received.

PE OXUXe
21. Callipepla squamata . é ;

ad

For the sixth division I propose the name of
DENDRORTYX.
WITH THE FOLLOWING CHARACTERS :—

Rostrum brevius et lateralitér mints compressum quam in Odontophoro, fortius, ita, et apud apicem minus aduncum ;
mandibula inferiore latd, recté, et utrinque denticulis duobus distinctis instructa : tomuis acutis, non introrsim
curvatis; naribus aliquanto maenis, membrand obtectis, et marginatis ; caput cristatum ; orbitis vix plumis

denudatis ; ale breves, concave, primariis minis rigidis quam in Odontophoro, quinté et sexta longioribus ; cauda

lata, rotundata, mediocris, et e plumis duodecim rigidis confecta: tarsi reticulati, minds robusti quam in

Odontophoro ; digitis modicis, membrand basali conjunctis ; digito interiore ezteris breviore ; halluce debili;

unguibus pauld longis, levitér curvatis : margine interno dilatato, et acuto.

Bill shorter, and not so much compressed on the sides as in Odontophorus, thicker and less hooked at the point ;

under mandible broad, straight, and armed with two distinct dentations on each side; tomia sharp, but not

curving inwards; nostrils rather large, covered and bordered with a membrane: head crested; orbits but

slightly denuded of feathers : Wings short and concave ; primaries less rigid than in Odontophorus, the fifth
and sixth the longest ; tail broad, rounded at the end, proportionate to the size of the bird, and composed of
twelve stiff feathers: tarsi spurless, reticulated, much less powerful than in Odontophorus ; toes moderately
long, united at the base by a membrane, the inner of the anterior toes the shortest : posterior toe feeble ; nails
rather long and slightly curved, the imner edge dilated and sharp.

Of this for re Pre « rE ga . I
his form there are at present three Species known ; they are the largest members of the whole group,

| x ae : és 2 . on : d :

deIne almost equal in size to a Ptarmigan

their tarsi and feet, I be

their bill

or Red Grouse. Judging from the more slender structure of
arboreal in their habits
8 to me to indicate that the

rs of the genus

lieve the ; i i ing of
e them to be , and the delicate but bright colouring of

and lees seem ( ] i I

I 5 y affect situations very different from those resorted to

yy the membe .

y the membe Odontophorus.

—— AA EIS