492 THE AMERICAN NATURALIST.  [Vou. XXXII. 
The distribution of the different species is still very imper- 
fectly known, but of course many species find their northern 
limit where the forest ends, while others are confined to the 
barrens and semi-barrens. There is quite a difference between 
the smaller mammals from the region about Hamilton Inlet 
and those from Fort Chimo, but just where the line is to be 
drawn that divides the two sets of forms I am at present 
unable to say. Many of the forms in these two regions appear, 
however, to be specifically distinct. 
1. Monopon monoceras Linn. Narwhal. 
Monodon monoceras Linn. Ed. x, p. 75. 1758. 
Common all along the Labrador coasts. 
2. DELPHINAPTERUS LEUCAS (Pallas). White porpoise. 
Delphinus leucas Pallas. “Jt. iii, p. 84, t. iv.” 
Common everywhere along the Labrador coasts.! 
3. LEPUS AMERICANUS AMERICANUS Erxl. American varying 
hare. 
Lepus americanus Erxl. Syst. Anim. p. 330. 1777. 
Type Locality. South side of Hudson Strait. 
Common throughout the wooded region and extending into 
the edge of the barrens. Goldthwaite took fourteen specimens 
at Hamilton Inlet. 
4. LEPUS ARCTICUS BANGSII Rhoads. Newfoundland Arctic 
' hare. 
Lepus arcticus bangsii Rhoads. Am. Nat. p.253. March, 
1896. ; 
Type Locality. Codroy, Newfoundland. 
The dark-colored, more southern form of the Arctic hare 
is of general distribution in the barrens and semi-barrens of 
Labrador, occasionally reaching as far south as Hamilton Inlet. 
Turner took specimens at Fort Chimo and Solomon Island. 
5. ERETHIZON porsatus (Linn). Canada porcupine. 
Hystrix dorsata Linn. Syst. Nat. Ed. x, vol.i,p.57. 1758. 
1 Several other cetaceans are given by Packard in his list of the mammals of 
the Labrador coast. Mr. Low does not include these, although he often quotes 
from Packard and from Stearns. I therefore follow Mr. Low in omitting them. 
