ECAUDATA. 
Kept. 21 
Oeratobatrac hid#. 
Ceratobatrachus guentheri , Blgr., described aud figured ; Boulenger, 
Tr. Z. S. xii, p. 56, pis. xii & xiii. 
Ranid#. 
liana. A synonymic list of the North American species, by E. D- 
Cope, P. Am. Phil. Soc. xxiii, pp. 517-521. R. areolata cesopus, p. 517, 
Florida, R. lialccina sphenocephala , p. 517, S.E. North America, brachy- 
cephala, p. 517, Central and Sonoran districts, and austricola , p. 517, 
Mexico, and R. cantabridgcnsis latiremis, p. 520, Alaska, n. subspp., id. t. c. 
R. esculenta, L., var. ridibunda, Pall. : on a specimen from Lenkoran ; 
Boettger, in Radde, Faun. Casp.-Geb. p. 76. R. temporaries s. fuscce : 
Discussions : — Ninni, Atti Soc. Ital. xxviii, pp. 248-252 ; Lessona, Atti 
Acc. Tor. xxi, pp. 288-290 ; Boulenger, Ann. N. H. (5) xvii, pp. 248-250; 
Camerano, Zool. Anz. ix, pp. 195 & 196, Boll. Mus. Tor. i, No. 8, and 
Atti 1st. Venet. (6) iv, pp. 833-848 ; Ileron-Royer, Bull. Soc. Zool. xi, 
pp. 681-690 [the latter contribution deals especially with the differences 
between R. temporaria (s. fusca) and agilis during the embryouic aud 
larval periods] ; De Betta, Conveuiente risposta ad un Cenno critico del 
dott. Alessandro P. Ninni, Verona, 1886, 8vo. A. Borelli publishes 
researches on the osteological differences of the Italian species of R. 
fuscce ; Boll. Mus. Tor. i, No. 14. G. A. Boulenger, Bull. Soc. Z. Fr. 
xi, pp. 595-600, has a note on the Asiatic species of this group, of which 
he distinguishes 8, 3 being described for the first time, viz., R. camerani , 
p. 597, Caucasus, R. amurensis, p. 598, Atnoor, and R. martensii , p. 599, 
Japan ; the latter species is also described in P. Z. S. 1886, p. 414. G. 
Born indicates the differences between the larvae of R. temporaria and 
R. arvalis : Arch. mikr. Anat. xxvii, p. 207. R. arvalis , Nilss. : remarks 
upon and figure of living specimens ; Boulenger, P. Z. S. 1886, p. 242, 
pi. xxiv : the frog on which Haller observed the blue colouration during 
the breeding season is now believed to have been R. arvalis and not R. 
temporaria ; Haller, Zool. Anz. ix, p. 12. R. latastii , Blgr., found iu 
Piedmont; Peracca, Boll. Mus. Tor. i, No. 5. R. agilis , Thom.: on a 
specimen from Lenkoran ; Boettger, in Radde, op. cit. p. 77. R. bufoni- 
formis , Blgr., p. 47, pi. viii, guppyi, Blgr., p. 48, pi. ix, and opisthodon } 
Blgr., p. 50, pi. x, described and figured ; Boulenger, Tr. Z. S. xii : the 
latter species is shown to undergo the metamorphosis within the 
egg, as in Hylodes martinicensis. R. krefftii , Blgr., described ; id. t. c. 
p. 52. R. leybarensis, n. sp., Lataste, Le Nat. iii, p. 230, Senegal. 
R. newtonii , n. sp., Bocage, J. Sci. Lisb. xlii, pp. 70 & 73, S. Thome. 
R. macropus , n. n. for Ixalus japonic us, Hallow.; Boulenger, P. Z. S. 
1886, p. 414. 
.Ixalus asper , n. sp., Boulenger, t. c. p. 415, pi. xxxix, fig. 1, Perak. 
Cornufer guppyi , Blgr., p. 53, pi. xi, fig. 1, aud soloinonis , Blgr., p. 54, 
pi. xi, fig. 2, described and figured ; Boulenger, Tr. Z. S. xii. 
Rappia. Hyperolius thomensis ) n. sp., Bocage, J. Sci. Lisb. xlii, p. 74, 
S. Thome. 
