250 



Bulletin American Museum of Natural History. [Vol. XXVII, 



Creodonts) and nearly flat superiorly. The pisiform' is small. The mag- 

 num is high and narro\\-, with parallel sides. The unciform is likewise high 



Fig. 19. Morphologj^ of the manus and pes in Solenodon and Microgale. 



Ai. Solenodon paradoxus. Am. Mus. No. 28271. Left manus anterior view. Slightly en- 

 larged. A-. Ditto posterior view of carpus. Natural size. Shows lunar resting on both 

 magnum and unciform as in many otlier primitive mammals (p. 446). 



fii. Right pes of same. X y- 



Baclv view of left astragalus of same. 



fi2. 



CK 



C2. 

 C3. 



x|. 



Microgale dobsoni U. S. Nat. Mus. No. 49673. Right pes. 

 Front view of right astragalus of same. 

 Ditto, back view. 



X 



X^ 



R., radius. 

 U., ulna. 

 iSc, scaphoid. 

 Ce., centrale. 

 Lu., lunar. 

 Cm., cuneiform. 

 P.px., "prepollex." 

 Tz., trapezumi. 

 Td., trapezoid. 

 Mg., magnum. 

 Un., unciform. 



/, //, ///. IV, V, metacarpals. 

 X, process for attachment of tarso-metatarsal 

 ligament . 



r., tibia. 



Fb., fibula. 



Cat., calcaneum. 



As., astragalus. 



P.hx., "prehallux." 



A^., navicular. 



f'l., C-., C^., ento-, meso- and ectocuneiform. 



Cb., cuboid. 



/, //, III, IV, V, metatarsals. 



(ec), ectal facet. 



(sus.), sustentacular facet. 



(nav.), navicular facet. 



(cb.), cuboid facet. 



and unusually narrow. The dir/lfs are stout, moderately long and not 

 spreading. The thumb is not divergent. The metacarpals overlap each 

 other on the external side from digit II to digit IV (a primitive mam- 



