522 



BULLETIN 58, UNITED STATES NATIONAL MUSEUM. 



line across anterior third of upper eyelid and interorbital space to 

 anterior corner of eye and from there obliquely downward across the 

 loreal region to the upper lip at the- base of the proboscis; a slightly 

 curved line from below center of eye obliquely backward above the 

 angle of the mouth disappearing some distance behind and below 

 the latter; a slightly curved line from posterior angle of eye above the 

 temporal region; a short blackish streak below the eye between the 

 last two lines; two broken lines across the middle and the posterior 



Fig. 406.— Amyda schlegelii. side view. From Gray's Cat. Shield Kept. pl. xxxi. 



third of upper eyelid; a few broken longitudinal lines on parietal and 

 occipital regions and a few dusky spots on snout and proboscis; lips, 

 chin, and throat with large round buff spots surrounded by a network 

 of blackish brown lines; sides of neck with a broad longitudinal buff 

 band, more or less interrupted anteriorly and faintly edged with 

 dusky; neck below this band suffused with olive and dotted with 

 indistinct roundish pale buff spots. 



Dimensions. 



■mm. 



Length of carapace 170 



Greatest width of carapace 133 



Length of plastron 124 



Greatest depth of shell 43 



Greatest width of head 27 



Distance from plastron to tip of tail 73 



Free portion of tail from connection with carapace 32 



The fe7nal€s differ chiefly in proportions, being nuich deeper through 

 the body and having a much shorter tail. 



Foun^ recently hatched ; U.S.N.M. No. 23531; Yokohama; Octo- 

 ber, 1896; L. Stejneger, collector (plate XXXV, fig. 3). Essentially 

 as the one described above; the anterior border of the carapace 

 turned over as in the older specimens, but the median portion, instead 

 of being merely rugose, is more or less regularl}^ segmented, and the 

 posterior edge of several of the segments tuberculated, the median 

 segment being pushed a little ahead of the others and the tubercle 

 occupying the upper surface instead of the posterior edge; dorsal keel 

 very prominent. Color essentially as above, but extreme edge of 



