northern three-toed woodpecker. 43 
c fimi u t *' e tk ' rd ^ or l ^ ie three-toed species indis- 
«o11p h ' 6 , onl y foreign three-toed species in our 
(Pin , dae f >eau t'f u i Picus Bengalensis of authors, 
Asia f 'S' 0 °f Horsfield,) widely spread through tropical 
known i * ie “djacent islands, and, though long since 
similar’ t* ':, a -'V ;lnk ‘' d !ls f° ur ‘toed, has the bill precisely 
conitir- 0 . 0 i e f° ur_ toed species, being even remarkably 
The * l 8nd Ver y sllar P on the ridge, 
inches ] Ina e ” or th < . , rn tliree-toed woodpecker is ten 
one in.,1, 111 '’’ f 1 "' sixteen in extent ; the hill measures 
hluish i. l 8 f l uar t er > ’ s of a blackish lead colour. 
Very broi l * le kase tke hiwer mandible ; it is 
m nch dp,,,. at ' lase > cun «iform and obtuse at tip, and 
flattened - Tu fhrou^hont, the ridge being very much 
tinner n ,'„i mandibles arc perfectly straight; the 
toiin-Qo a »onal, the lower obtusely trigonal; the 
°f the fro sorae , at shorter than that of other species 
are vervtK ’i lastly feathers at the base of the hill 
mad e . IR ' all, i long, a provision which Nature has 
an inch *"?** ar( 'tic birds; in this they measure half 
mixed u’ifi"' are blackish, white at base, somewhat 
the wholo v, 10 ddish white; the irides are bluish black; 
"»?.“l h ;£' nao “ k 
_ on the sides, back, 
s, smaller wing and tail-coverts, eonsti- 
fleen ° , e "Pl"‘’’ surface of the bird, of an uniform, 
Purnie acoo a- iC c ‘ lau ging somewhat to green and 
of the’ front . n ? tke incidence of light ; the feathers 
dots of that colour® " rit h white, producing elegant 
flic crown of the [ ‘ ’, IC . h l ,erha P s disappear with age ;) 
oblono snot one in,.i ? f oro »w«nted with a beautiful 
inch broad of " uh ."> o'igth, and more than half an 
fine, and mm,.,,.)". ,.; n ine feathers m this place very 
a «d marked with 'white at thelS Sf t* ^ ***’ 
broad wb * S r e ’ - he COrn , cr of tlla month, arises a 
]»’olonL,i 1,n ?* form,n g a white space before the eye, 
I S 0 " % nock ; beneath tliis there is a black 
'oh, passing from the base of the lower mandible, 
