Smithsonian Report, 1914.—Robinson. PLATE 9. 
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The lower jaw and tongue of a macaque, from a drawing ofa 
dissection by the author, showing the deep pit for the origin of 
the genio-glossus muscle. 
64. Human jawbone with part of the tongue, drawing showing the sprez uding fasciculi 
of the genio-glossus muscle, and their origin from the upper genial tubercle. 
a 
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Transverse section through the tongue; diagram 
showing genio-glossus muscle penetrating the in- 
trinsic muscles. After Quain. 
