a MAMMALS OF MINNESOTA. 945 
North American species are, as might be expected, more like 
the European types than those of South America. 
As we have but asingle species in North America, instead 
of amore extended discussion of the group it must suffice to 
give a list of the described species and the above figure of 
one of the most remarkable of the foreign types. 
SUBFAMILY SYNETHERIN A 
Clavicles perfect; molars rooted; toes 4-4 or 5-4; tail generally prehen- 
sile; habit, arboreal. Western Hemisphere. 
Genus Chetomys GRAY. Containing asingle species of rather slender 
y form,with arat-like scaly tail. The malar boneis very broad, with a spur 
above. C. subspinosus Gray, S. A. 
Genus Synetheres F. CUvIER. The body is rather slender, clothed with 
straightspines. The tail is scaly attheend only. Thetemporal region is 
very broad and high. ‘The body is covered with spines except beneath, 
where they are replaced by bristles. Theskull is greatly elevated between 
the eyes. 
S. prehensilis BRANDT, 8. A. 
2, 3S. platycentrotus BRANDT, 8S. A. 
? 3. 8. magna LUND. Fossils from Caverns of 
? 4. §. dubia LUND. 
? 5, SS. fossilis LUND. Minas Geraes. 
Genus Sphingurus F. CuviER. Much as above but hairy below and 
without the great elevation between the eyes. 
x 1. S. villosus WATERHOUSE, S. A. 
2. SS. pallidus WATERHOUSE, S. A. 
3. S. melanurus WATTERER, S. A. 
4, §S. bicolor TScHUDI, S. A. 
5. 8. nove-hispanie WATERHOUSE, Mexico. 
Genus Hrethizon F. CUVIER. (See beyond). 
1. EH. dorsatus CUVIER, N. A. 
2, EH. dorsatus var. epixanthus BRANDT. 
SUBFAMILY HYSTRICIN A. 
Clavicles imperfect; toes, 5-5; molars but partly rooted; tail, short; 
habit, terrestrial or fossorial. Eastern Hemisphere. 
Genus Hystrix LINN. Body short; head thick with blunt muzzle; 
covered with very long erectile spines; tail inconspicuous. 
1. H. cristata L., Europe and N. Africa. 
H., hirsutirostris BRANDT, Syria, etc. 
H. africe-australis PETERS, 8. Africa. 
H., javanica CuVIER, Java, etc. 
s 5. H. hodgsoni GRAY. 
Genus Atherura M.G.CuvIER. Muchasin Hystrix, but with long ap- 
pendaged tail and but four toes in front. 
1, A. fasciculata SHAW, Siam. 
2. A. macroura WATERHOUSE, Sumatra. 
3 A. africana GRAY, Sierra Leona. 
A number of fossil forms of more or less uncertain position might be 
here included. 
SECS 
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