REPTILIA. 
14 Rejjt. 
Contia isozona, Cope, pi. xviii. figs. 1 & la, and Ophibolus pyrrho- 
melas, Cope, pi. xix. figs. 1, la, & 2, figured in Yarrow’s Report con- 
tained in Wheeler’s Rep. Ceogr. Explor. W. of 100th mer., v. 
. Gyalopium canum, Cope, pi. xviii. figs. 2 & 2a, and Chilomeniscus 
ephippicuSf Cope, from Sonora, figured in E. Coues’ Synopsis in 
Wheeler’s Rep. 1. c. 
Chilopoma [|| Murray, 1867, Coleoptera]^ g. n., E. D. Cope, in Yarrow’s 
Rep. 1. c. p. 643. Teeth sub-equal ; the last one or two on the maxillary 
bone a little stouter than the others, and separated from them by an 
interspace ; not grooved. Cephalic scuta normal above ; one nasal shield 
and one loreal, which enters the orbital border. Rostral obtuse, with 
prominent lateral and posterior borders. Scales keeled ; anal scutum 
entire ; sub-caudal scutella divided. General fofm of Eutcmia, with 
slight tendency to the form of rostral shield seen in Phimothyra^ while 
the lateral head-shields are suggestive of Cyclophis cestivus. Type, Ch. 
rufipunctatum, sp. n., id. 1. c. p. 544, pi. xx. fig. 1, S. Arizona. 
Tropidonotus orientalis^ Gthr., noticed by A. Strauch in Prejevalsky’s 
Mongolia, ii. pt. 3, p. 48. 
Tropidonotus validus^ Kenn., pi. xxi., and Eutcenia cyrtopsis, Kenn., 
pi. XX. figs; 2 & 2a, figured in E. Coues’ Synopsis in Wheeler’s Rep. 
Geogr. Explor. W. of 100th mer., v, 
Eatamia. Synopsis of Cope’s new arrangement, pp. 545-555 ; remarks 
on E. Vagrans, B. & G., ornata, Bd., and sirtalis, L. (dorsalis, B. G.), 
and marciana, B. & G., pp. 551-555, 613-616. E. - cyrtopsis, Kenn., 
figured, pi. XX. figs. 2 & 2a. Wheeler’s Report, v. 
Elaphis dione, Pall., noticed by Strauch in Prejevalsky’s Mongolia, 
1. c. p. 46. 
Sphalerosophis (Loxodon, Jan) microlepis, Jan. Notice of the 
species, which appears to be a Zamenis or Periops, in which the 
division of the head-scales has been carried farther than in Z. diadema 
and its allies. Loxodon has been applied to a species of elephants. 
W. T. Blanford, op. cit. p. 411. 
Spilotes chrysohronchus, sp. n,, E. D. Cope, J. Ac. Philad. (n.s.) viii. 
p. 136, pi. xxviii. fig. 11, Costa Rica. 
Zamenis. Notices of .2^. (? Periops') diadema, Schl., p. ^\2,ventrimacu- 
latus, Gray, p. 414, caspius, Iwan, dahli, D. & B:, ravergieri, Menetr,, 
p. 417 ; W. T. Blanford, op. cit. ^ 
Zamenis spinalis, Peters, noticed and figured by Strauch in Prejeval- 
sky’s Mongolia, 1. c. p. 46, pi. viii. 
Drymohius heathi, sp. n., E. D. Cope, 1. c. p. 179, Peru. 
Herpetodryas holochlorus, sp. n., id. 1. c. p. 178, Maranon. 
Thrasops pustulatus, Buch. & Pet., = T. jlavigularis, Hallow. ; W. 
Peters, MB. Ak. Berl. 1876, p. 119. 
Dendrophidium melanotropis, sp. n.. Cope, 1. c. p. 134, pi. xxvi. fig. 1, 
Costa Rica. 
Cyclophis vernalis, De Kay, found in Rocky Mountains’ region ; Yar- 
row, 1. G. p. 539. 
Dromicus chamissonis, Wiegm., var. dorsalis, fig. 1 (= Herpetodryas 
dorsalis, Gthr., olim), and var. habeli, Stein., fig. 2: the snake of the 
