CHELONIA. 
65 
Messrs. Dum^ril and Bocourt describe the following Mexican spe- 
cies (Miss. Sc. Mex.) : — E. tncisa, sp. n.,p. 11, pis. 1 & 2; E. arcolata and ve- 
nusta, p. 13 E. grayi^ sp. n., p. 13, pi. 2. fig. 2 j E. jmlcherrima^ p. 15, pi. 7. 
fig. 1 ; and E. marynorata, p. 16. 
Emys favipes (Gray) considered by Sclater to be identical with Clemmys 
Icprosa, P. Z. S. 1872, p. 603. 
Emys nigra (Hallow.) probably identical with E. olimcea (Gray). Gray, 
A.&M.N.H. 1872,x.p.54. 
Actinemys mannorata of \-tordi— Chrysemys oregonensts (Agass.) = jE'wys 
belli (Gmj). Gray, P.Z.S. 1872, pp. 872-874. 
Dermatemys maivii figured in Miss. Sc. Mex. p. 17, pi. 7. fig. 2. 
In a note entitled Synopsis of the species of the ChelydrineB,^' Mr. E. I). 
Cope revises more particularly the species of his genus Claudius, Philad. Proc. 
1872, pp. 22-29. He distinguishes four, viz. : — 
1. Claudius severus, sp. n.. Isthmus of Tehuantepec. 
2. Claudius pictus. BX),\i..^Staurotypus salvinL Bocourt (wee Gray), Miss. 
Sc. Mex. p. 22, pi. 6. fig. 3. 
3. Claudius megaloccplialus, Bocourt, 1868,= C. angustatus, Bocourt, 1870 
{nec Cope), Miss. Sc. Mex. p. 20, pi. 4. 
4. Claudius angustatus, Cope. 
Chrlydra scipentina and C. {Emysaurus') rossignonii, sp. n., figured by Bo- 
court in Miss. Sc. Mex. p. 18, pi. 5. figs. 1 & 2. 
Cinosternum alhogidare, sp. n., Bum^ril & Bocourt, 1. c. p. 24, Costa Bica. 
Spatidemys, g. n.. Gray, A. & M. N. H. 1872, x. p. 463. Near Ilydraspis. 
Thorax oblong, elongate, depressed, with a distinct elongate nuchal plate. 
First vertebral plate very broad ; second, third, and fourth longer than broad ; 
anterior marginal plates broad ; the second and ninth largest, angular above. 
The sternum elongate, broad and rounded in front, deeply notched behind ; 
gular plate large, marginal. Head broad, depressed, entirely covered with 
small polygonal shields ; forehead convex, rhombic, with a broad flat crown 
between the very large temporal muscles ; chin with two beards ; mouth 
broad and rounded in front. The two outer hinder claws very small, rudi- 
mentary. Tail conical. Sternum in male (?) slightly concave, especially be- 
hind. — Spatulemys lasalce, sp. n., from Corrientes. 
Chelemys. On the genus Chelymys and its Allies from Australia,” by Dr, 
J. E. Gray, P. Z. S. 1872, pp. 604-614. We need not enter into the contents 
of this paper, as they have been already embodied in the author’s ^Appendix ’ 
(see above, p. 64). The plates and woodcuts with which this paper is illus- 
trated represent Chelemys victoria;, pi. 27, and figs. 1 (skull) & 2 (sternum) ; 
C. kreffti, pi. 28 ; Elseya latisternum, pi. 29, and figs. 3 (skull) & 4 (sternum) ; 
Elseija dentata, fig. 6 ; Elseya ? intermedia is described as new, p. 612, or Ap- 
pendix Shield Kept. p. 23. 
Velomedusa suhrufa is figured in Sowerby k Lear, Tortoises &c., under the 
name of Ilydraspis galeata. 
Trionyx. The genus Potamochelys of Gray ought to be erased, as the animal 
proves to be a T. gangeticus, and the skull belongs to Emyda punctata. An- 
derson, A. & M. N. H. 1872, x. p. 221 ; Gray, ibid. p. 338. 
Trionyx. In “ Notes on the Mud-Tortoises of India,” Dr. Gray has revised 
all the Indian species, 1. c. pp. 326-340, modifying the arrangement previously 
1872 * [voL. IX.] 
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