16 Rept . 
REPTILIA AND BATRACHIA. 
Hydrophiid^. 
0. Bcettger, Zool. Anz. xi, pp. 395-398, remarks on the external 
sexual characters of the Hydrophiidce. 
Platurus colubrinus , Selin. : remarks on this Snake, which is believed 
to be innocuous; J. G. Fisciier, JB. Hamb. v, p. 18. 
Hydrophis viperina , Schmidt : the maxillary is armed with a series of 
four equidistant, subequal, grooved fangs, without any solid teeth ; 
Boulenger, Ann. N. H. (6) ii, p. 44. 
VlPERIDiE. 
Mivart, St. G. Art. “Viper,” Encycl. Brit, xxiv, pp. 247 & 248, 
figs. 
Vipera , Laur. : 'Camerano (supra, p.’ 2) admits only two European 
species, viz., V. berus, L., and V. ammodytes , L. ; V. aspis , L., and 
latastii , Boscd, being regarded as subspecies of the former. V. berus , 
L. : J. Blum publishes a lengthy memoir on its distribution in 
Germany, a work undertaken by the late J. Notthaft in 1885; Abh. 
Senck. Ges. xv, pp. 123-278, with 9 woodcuts and a map ; abstract 
in Zool. Gart. xxix, pp. 300-304. On its occurrence in Wiirttemberg ; 
0. Krimmel, JH. Ver. Wiirtt. xliv, p. 232. V. ammodytes , L. : notes by 
Pirona, Atti 1st. Venet. (6) vi, p. 1165. V. obtusa , Dwig. : notes by 
Bcettger, Zool. Jahrb. iii, p. 946. V. peringueyi , n. sp., Boulenger, 
Ann. N. H. (6) ii, p. 141, Damaraland. 
Echis arenicola , Boie : notes by Bcettger, t. c. p. 949. 
Atheris , Cope: note on the specific characters of the various forms ; 
J. G. Fischer, JB. Hamb. v, p. 7. A. subocularis , n. sp., id. t. c. p. 5, 
pis. i, fig. 2, & ii, fig. 11, Cameroon. A. Iceviceps , Bttg., described and 
figured by BcettgEr, Ber. Senck. Ges. 1888, p. 92, pi. ii, fig. 7. 
G arman, S. The Rattle of the Rattlesnake. Bull. Mus. C. Z. xiii, 
pp. 259-268, pis. i & ii, and Bull. Ess. Inst, xix, pp. 119-121. 
On the mode of growth and probable origin of the rattle. 
Crotalus basiliscus , Cope, and polystictus , Cope, described by A. Duges, 
Nat. Mex. (2) i, pp. 132 & 133. C. yalmeri , n. var. of C . tigris, Keun.; 
Garman, Bull. Ess. Inst, xix, p. 124, Monclava, Mexico. 
Ilalys acutus, n. sp., Gunther, Ann. N. H. (6) i, p. 171, pi. xii, Kiu 
Kiang, China. 
Trimeresurus riuhiuanus , Hilgend. : notes by J. G. Fischer, JB. Hamb. 
v, p. 20. 
ORNITHOSAURIA. 
Newton, E. T. Notes on Pterodactyls. P. Geol. Ass. x, pp. 406-424 
figs. 
A review of our knowledge of this order. 
