REPTILIA AND BATRACHIA. 
10 JRept. 
Phvynosoma orbiculare , Hern. : anatomical and physiological notes by 
Herrera, Nat. Mex. (2) i, p. 332. P. hernandesi , Gir., p. 112, and 
ornatissima , Gir., p. 115, pi. xii, figs. 3 & 4 : notes by Stejneger, t. c. 
ZONURID.E. 
Zonurus vittifer , Reichen. : note by Matsciiie, Zool. Jahrb., Syst. v, 
p. GOG. 
Plutysaurus intermedins , n. sp., id. ibid., Transvaal. 
Chamcesaura dulactyla , n. sp., Boulenger, P. Z. S. 1890, p. 82, pi. xi, 
fig. 1, S. Africa. 
Anguid^i. 
Barissia imbricata , Wgm. : notes by Stejneger, P. U. S. Nat. Mus. 
xiii, p. 183. B. levicollis, n. sp., id. t. c. p. 184, Mexican boundary of the 
United States. 
Ophisaurus gracilis , Gray, figured by Boulenger, Faun. Ind., Kept, 
p. 159. 
Diploglossus lessonce , n. sp., Peracca, Boll. Mus. Zool. Anat. Comp. 
Torino, v, No. 77, Brazil. 
Helodermatidjj. 
Shufeldt, R. W. Contributions to the Study of Helodcrmu suspectum. 
P. Z. S. 1890, pp. 148-244, pis. xvi-xviii. 
Deals fully with the natural history and anatomy of this Lizard, and 
gives a complete bibliography. The author reserves his opinion on the 
systematic position of th q Ilelodermatidai. 
Heloderma suspectum , Cope : note on its habits ; Garman, Bull. Ess. 
Inst, xxii, p. 60. 
Xantusiidj:. 
Xantusia riversiana , Cope, is from San Nicholas I., California ; J. J. 
Rivers, Am. Nat. xxiii, p.,1100 [1890]. 
J Cricolepis , n. n. for Gricosaura, Gundl. & Peters, nec Wagner ; Bou- 
lenger, P. Z. S. 1890, p. 83. 
Teiidj:. 
Cnemidophorus labialis, n. sp., Stejneger, P. U. S. Nat. Mus. xii, 
p. 643, Lower California. 
^ Echinosaura, n. g., near Neusticurus , D. & B. ; Boulenger, P. Z. S. 
1890, p. 82. E. horrida, n, sp., id. t. c. p. 83, pi. x, fig. 1, Ecuador. 
J Ptychoglossus, n. g., near A lopoglossus , . Blgr. ; id. t. c. p. 83. P. 
bilineatus , n. sp., id. t.p. p. 84, pi. x, fig. 2, Ecuador. 
