264 



Sciurus (Tamias) lysteri, 61 



scotti, Alces, 240 



Scott's Fossil Moose, 240 



scrofa, Sus, 217 



Sea Dog, 123 



Sea Leopard, Fossil, 223 



Seal, Harbor, 123 



Harp, 125 



Hooded, 126 

 Sheep, 217 



Short-tailed Weasel, 168 

 Shrews, 4, 5, 189, 227 

 Shrew, Batchelder's, 226 



Eastern Marsh, 191 

 " Masked, 189 



Fisher's, 226 



Hoy's, 226 



Lesueur's, 226 



Marsh, 2 



Smoky, 189 



Water, 191 



Fossil Mole, 227 



Least Mole, 196 



Northeastern Mole, 192 

 sigmodus, Arvicola, 245 

 Silvery Black Bat, 210 

 simplicidens, Blarina, 227 

 Sirenians, 5, 6, .246 

 Sitomys americanus canadensis, 77 

 Skunk, 4, 5, 156, 229 



Intermediate, 230 



Osmotherian, 230 



Pigmy Fossil, 230 



Pitted-tooth Fossil, 230 



Slender-jawed Fossil, 230 



Southeastern, 163, 230 

 Sloth, Chisel-tooth Ground, 250 



Cope's Lesser Ground, 249 



Diastemodont Ground, 249 



Giant, 5, 6 



Harlan's Ground, 249 



Loxodont Ground, 249 



Wheatley's Ground, 249 

 Smilodon gracilis, 231 



mercerii, 232 

 Sorex, genus, 189 



albibarbis, 191 



aquaticus, 198 



cristata, 206 



fumeus, 190 



hoyi, 226 



Sorex, longirostris fisheri, 226 



macrurus, 226 



palustris albibarbis, 191 



parvus, "196 



personatus, 189 



lesueuri, 226 



talpoides, 195 

 Soricidse, 189, 227 

 Southeastern Beaver, 73 



Chickaree, 57 



Chipmunk, 61 



Marten, 176 



Mink, 167 



Muskrat, 104 



or Lowland Rabbit, 122 



Otter, 162 



Red Fox, 145 



Skunk, 163 



Woodchuck, 63 

 Sowerby's Whale, 1 7 

 spelaeum, Osmotherium, 230 

 speothen, Arvicola, 244 



Microtus, 244 

 Sperm Whale, 14 



Pigmy, 15 



Spermophile, Franklin's, 221 

 Spermophilus franklini, 222 

 sphenodon, Megolonyx, 249 

 ; Spotted Dolphin, 19 

 Squalodon atlanticus, 247 



Biserrate, 247 

 Squirrels, 5, 52, 225, 242 

 Squirrel, Carolina Gray, 52, 242 



Ground, 221 



Northeastern Fox, 58 



Northern Gray or Black, 5 2 



Pine, 56 



Red, 57 



Striped or Ground, 61 



Virginia Flying, 66 



Western Fox. 57, 225 

 Star-nosed Mole, 206 

 Stenorhynchus vetus, 233 

 stonei, Synaptomys cooped, 106 

 striatus, Sciurus, 61 



Tamias, 61, 242 

 subflavus, Pipistrellus, 210, 211 



obscurus, Pipistrellus, 211 



Vespertilio, 210 

 subulatus, Myotis, 208, 227 



Vespertilio, 208, 227 



