ECAUDATA. 
Rept. 31 
E. Bataillon, Arch. Entwickmech. xi, pp. 171 & 174, has made experi¬ 
ments on osmotic pressure on the eggs of Rana esculenta, and xii, 
pp. 610-655, figg., on artificial teratogenesis on R. temporarici . 
E. Godlewski, op. cit. xi, pp. 585-616, pis. xxi & xxii, writes on the effects 
of oxygen on the development of Rana temporaria. Further remarks 
by E. Bataillon, op. cit. xii, pp. 302-604, and Godlewski, pp. 305 & 
306. 
F. Henneguy, C.R. Soc. Biol, liii, pp. 351-353, gives an abstract of his 
experiments on the supposed parthenogenesis of Frogs’ eggs, and on 
the cases of pseudo-segmentation obtained by him by chemical means. 
Also experiments on the same subject by Mme Rondeau-Luzeau, 
t. c. pp. 433-435. 
Ranid,e. 
Rana esculenta , L. Notes on the varieties : Mehely, Zool. Ergebn. Zichy 
Forschungsreise, p. 59; R. temporaria , L., and arvalis , Nilss. Notes 
on Russian and Siberian specimens, id. ibid. pp. 63 & 64; R. temporaria , 
L. *On a female specimen with copulatory excrescences: G. Loisel, 
C.R. Soc. Biol, liii, p. 204; R. granulosa , Anders. Note by Boettger, 
Ber. Senckenberg. Ges. 1901, 52; R. novce-britannice , Wern. Note by 
Werner, Yerh. Ges. Wien li, p. 614; R. varians , Blgr., figured by 
Boettger, Abh. Senckenb. Ges. xxv, p. 366, pi. xv, fig. 8; R. lateralis , 
Blgr., noticed and figured by Laidlaw, P. Z. S. 1900, p. 886, pi. lvii, 
figg. 1 & 2; R. larutensis , Blgr. Tadpole noticed and figured, id. ibid, 
p. 886, pi. lvii, figg. 3 & 4; R. meriani , H. v. Mey. (foss.). Description 
and figure of a complete skeleton: Wolterstorff, Ber. Senckenberg. 
Ges. 1901, p. 39, pi. i ; R. grylio , sp. n., Stejneger, P. U. S. Mus. 
xxiv, p. 212, fig., Florida and Gulf Coast West to Mississippi; R. 
narina and namiyei , spp. nn., id. P. Soc. Washington xiv, pp. 189 
& 190, Okinawa Shima, Loo Choo Ids.; R. mocquardi , sp. n., 
Werner, Zool. Anz. xxiv, p. 98, Celebes; R. baramica , sp. n., 
Boettger, Abh. Senckenb. Ges. xxv, p. 391, Borneo [perhaps a var. 
of R. glandulosa , Blgr.—R ec.] ; R. moeruensis , sp. n., Boulenger, 
Ann. Mus. Congo, Zool. (1) ii, p. 2, pi. i, fig. 2, L. Mweru ; R. steno- 
cephala, sp. n., Boulenger, Ann. Nat. Hist. (7) viii, p. 515, British 
East Africa. 
Mantidactylus , Blgr. Rana pigra , sp. n., Mocquard, Bull. Mus. Paris 
1900, p. 347, Madagascar, referred to Mantidactylus , op. cit. 1901, 
p. 255. 
Buergeria ijimce and ishilcawce , spp. nn., Stejneger, P. Soc. Washington 
xiv, p. 190, Okinawa Shima, Loo Choo Ids. 
Rhacophorus nigropalmatus, Blgr. Notes by Hanitsch, J. Straits Asiat. 
Soc. 1900, p. 96 ; R. melanopleura, sp. n., Mocquard, Bull. Mus. Paris 
1901, p. 254, Madagascar; R, acanthostomus , sp. n., Werner, Zool. 
Anz. xxiv, p. 98, Ceylon. 
Rappia rhodoscelis , undulata , granulata , and oxyrhynchus , spp. nn., 
Boulenger, Ann. Mus. Congo, Zool. (1) ii, pp. 3-5, pi. ii, figg. 1-4, 
L. Mweru and Lofoi, Katanga. 
Phyllobates trinitatis, Garm. Note by Stejneger, P. IT. S. Mus. xxiv, 
p. 179; figured by Brandes & Schoenichen, Abh. Ges. Halle xxii, 
pi. ii, fig. 4. 
Dendrobatihe. 
Revision of the genera and species by Werner, Yerh. Ges. Wien li, p. 628. 
Mantella aurantiaca , sp. n., Mocquard, Bull. Mus. Paris 1900, p. 348, 
Madagascar ; M. attemsi , sp. n., Werner, t. c. p. 627, Madagascar. 
Dendrobates amoenus , sp. n., Werner, t. c. p. 627, Costa Rica. 
