No. 507] SHORTER ARTICLES AND DISCUSSION 



189 



of the metacarpals are small, flat, rugose bones, remnants of 

 metacarpals II and V. When the specimen is entirely cleaned 

 of the matrix, a more complete description will be given. 



Length of diastema I 3 to canine 7 mm. 13 mm. 



Length of diastema canine to P 1 12 mm. 14 mm. 



Length of diastema P 1 to P 2 15 mm. 18 mm. 



Lengtn of continuous molar-premolar series 88 mm. 102 mm. 



Length of metacarpals 275 mm. 345 mm. 



Length of proximal phalanx 51 mm. 66 mm. 



Length of median phalanx 20 mm. 31 mm. 



Breadth of metacarpals III and V 15 mm. 23 mm. 



Harold James Cook. 



September 15, 1908. 



