REPTILES OF THE PACIFIC COAST. 33 



2. — Chrysemys bellii Gray. Western Painted Tur- 

 tle. 



Emijs BeUii, Gray, Syu. Kept. Griffith's Au. Kingd., 18.S1, p. 31 (type 



locality America?); Dum. & Bibr., Erpet. Geuerale, II, 1835, 



p. 302; Gray, Cat. Tort. Croc. Amphis. Brit. Mus., 1844, p. 27. 

 Emys Oregoniensis, Harlan, Am. Jouru. Sci. Arts, XXXI, 1837, p. 



382, pi. (type locality ponds near Columbia River); Hol- 



BROOK, N. A. Herp., I, 1842, p. 107, pi. XVI. 

 Chrysemys bellii, Gray, Cat. Shield Eept., I, 1855, p. 33; Agassiz, 



Contr. Nat. Hist. U. S., 1857, I, p. 439, II, pi. VI, figs. 8, 9. 

 Chrysemys oregonensis, Agassiz, Contr. Nat. Hist. U. S., 1857, I, 



p. 440, II, pi. Ill, figs. 1-3. 

 Chrysemys nuttalii, Agassiz, Coutr. Nat. Hist. U. S., 1857, II, p. 



642 (new name for C. oregonensis). 

 Clemmys oregoniensis, Strauch, Mem. Ac. St. Petersb. (7), V, No. 



7, 1862, p. 114. 

 Chrysemys cinerea var. bellii, Boulexger, Cat. Chelouiaus Brit. Mus., 



1889, p. 74. 



DtscripHon. — Shell comparatively narrow, depressed 

 but not very low, without dorsal keel. Vertebrals five, 

 usually longar than broad. Costals four, first longest, 

 second highest, last smallest. Nuchal very narrow. 

 Marginals twelve on each side, supracaudals being dis- 

 tinct. Plastron large, extending forward about as far 

 as carapace, weakly notched posteriorly, truncate or 

 rounded anteriorly, Gular plates smallest, triangular. 

 Pectorals very much smaller than abdominals; latter 

 longest, and with longest median suture. Axillary and 

 inguinal plates well developed, inguinal wedged in be- 

 tween abdominal and marginals. Head moderately 

 large, covered above and laterally, except sometimes on 

 temples, with smooth skin. Upper jaw not hooked, 

 sometimes notched at symphysis. Skin of neck and 

 gular regions granular or tubercular. Limbs covered 

 with scales, anterior with five, posterior with four, dig- 

 its webbed to bases of long claws. Tail moderately long 

 or short. (Figure, p. 26.) 



