Fig. 
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vw 
mw ne 
fae 
LIST OF PLATES. 
Prats XXVI. 
The North American Porcupine (Hystrix hudsonis). 
The Northern Hare (Lepus americanus). 
Prare XXVII. 
The American Grey Rabbit (Lepus nanus). 
The Common American Wolf (Lupus occidentalis). 
Prats XXVIII. 
The American Deer (Cervus virginianus). 
The American Stag (Elaphus canadensis). 
Puate X XIX. 
The Fossil Stag, skull, horns and teeth, (Elaphus americanus). 
The Moose (Cervus alces). 
Horns of the second and third year. 
Puate XXX. 
The Beaked Whale (Rorqualus rostratus). 
The Manatee (Manatus americanus). 
Upper and front views of the snout. 
The Social Whale (Globicephalus melas). 
Puate XXXII. 
The Sea Porpoise (Delphinus delphis). 
The Sperm Whale (Physeter macrocephalus). 
The Right Whale (Baleena mysticetus). 
Puate XXXII. 
The Grampus, a single tooth, lower jaw, (Phoczna orca). 
The American Elephant, fossil tooth, (Elephas americanus). 
The Musquash, skull, (Fiber zibethicus). 
The Manatee, skull, (Manatus americanus). 
Prats XXXII. 
North American Otter, skull, (Lutra canadensis). 
Teeth in the upper jaw, right side of the same. 
Vertical view of the same skull. 
The Southern Beaked Whale, skull, (Rorqualus australis). 
