HERPETOLOGY OF JAPAN. 529 



third the length of carapace; plastron smooth. Color (in alcohol) 

 above olive gray with a few small blackish spots, below pale buff, 

 unspotted; on head a narrow black line across the interorbital space 

 anteriorly continued below as a slightly oblique line between anterior 

 angle of eye and edge of upper lip ; a similar line behind the eye over 

 the supratemporal region; sides of neck and throat olive with indis- 

 tinct pale spots and traces of a longitudinal, lateral pale band on neck. 



Dimensions . 



mm. 



Length of carapace 119 



Greatest width of carapace 95 



Length of plastron 93 



Greatest depth of shell 41 



Greatest width of head 21 



Distance from plastron to tip of tail 43 



Free portion of tail, from connection with carapace 25 



Habitat. — Northern China, the specimen described being from the 

 province of Pechili. It is impossible at the present time to determine 

 its range even approximately. 



List of specimens 0/ Amy da schlegelii. 



» Third year; description, p. 527; figs. 407-409. 

 AMYDA MAACKII'/ (BrandtL 



1857. Trionyx maackii Brandt, Mel. Biol. Acad. Sci. St. Petersbourg, II, p. 609 

 (type-locality, Southern Amur R. and Ussuri R.; types, Mus. St. Petersb., 

 Nos. 3690, 4661, 5725, 5726; Maack, collector). 



1905. Trionyx sinensis Nikolski, Zap. Imp. Akad. Nauk, S. Peterburg (8), 

 XVII, no. 1, p. 20 (part; Ussuri, Amurland). 



This form, or species, being known only from the original descrip- 

 tion of Brandt, I have appended the following translation: 



Description. — Upper part of head more convex than in Trionyx 

 javanicus, olive colored with very numerous yellow dots which are 

 smallest on the upper surface of the face, a little larger on the sides 

 and much larger on the throat (but with no bands or dusky spots) ; 

 sides of neck with a few rough places; dorsal shield [carapace] in 

 the middle longitudinally depressed, but subcarinate, convex at the 

 sides, with very smooth skin ["cute glaberrima"], olivaceous with 

 minute yellow or more or less orange dots like the feet; anterior 



« For R. Maack, a Russian, who traveled in the Amur region in the early fifties, 

 and who collected the type. 



26485— No. 58—07 34 



