CHAP. IV] THE GENERAL ANATOMY OF THE TARSII 



101 



It is uncertain whether the ridges in Tarsius are developed 

 from insulae primariae or insulae lenticulares (cf. supra p. 71) 



Fig. 56. Tarsius spectrum. (Mus. Anat. Cant.) Scheme of the cutaneous pads 

 on the palm of the hand. ( x 4 approx.) 



though I have some evidence suggestive that the former source is 

 the real one. 



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