ECAUDATA. Rept. 29 
P. Knoll, SB. Ak. Wien, cv, iii, 1896, pp. 35-66, figg. 3 pis., writes on the 
blood-corpuscles of Batrachians. 
J. F. Gemmill, Arch. Anat. 1897, pp. 191-200, pis. vii & viii, writes on the 
development of the Miillerian cfuct in Batrachians. 
E. Bataillon, Arch. Zool. exp. (3) v, pp. 281-317, pis. xiii & xiv, has a 
memoir on the first stages of development in Batrachians. 
C. B. Wilson, Arch. Entwickmech. v, pp. 615-648, pis. x & xi, has 
made experiments oi\ the early development of the Amphibian 
embryo under the influence of salt and other solutions. 
J. T. Cunningham, Science Progress (2) i, pp. 486-491, remarks on re- 
capitulation in the ontological development of Batrachians. 
C. Sacerdotti, Arch. mikr. Anat. xlviii, pp. 359-369, pi. xv, writes on the 
regeneration of the slime-epithelium of the Batrachian gut. 
F. Gidon publishes a thesis on the poisonous secretions of French Batra- 
chians (Paris: 1897, 8vo, 74 pp.). 
R. T. Hewlett, Science Progress (2) i, pp. 397-405, reviews our knowledge 
of the poisons of the Toad and Salamander. 
ECAUDATA. 
A. Perrin, Bull. Sci. Franco Belgiquo, xxx, pp. 101-104, makes further 
remarks on the carpus of the Ecaudata. 
W. G. Ridewood, P. Z. S. 1897, pp. 577-595, pi. xxxv, describes the 
structure and development of the liyobranchial skeleton of Pelodytes 
punctatus. 
Georgina Sweet, P. Soc. Victoria (2) ix, pp. 264-296, figg. & 12 tables, 
writes on the variations in the spinal nerves of Hyla aurea. 
M. Nussbaum, Zool. Anz. xx, pp. 425-427, remarks on the kidney and 
spermatic ducts of the Frog. 
O. Frankl investigates the sperm-ducts in the Frog-kidney. Zeitschr. 
wiss. Zool. lxiii, pp. 23-38, pi. ii. 
E. Ficalbi investigates the minute structure of the skin of Hyla. Atti 
Acc. Pelorit. Messina, xi, 4 pis. 
L. Dervieux, Boll. Mus. Torino, xii, No. 295, remarks on two cases of 
monstrosity (absence of one eye) in Rana esculenta. 
The development of the frog’s egg forms the subject of a manual, intro- 
ductory to experimental embryology, by T. II. Morgan (London: 
1897, 8 vo, x & 192 pp.). 
W. Roux, Arch. Entwickmech. v, pp. 387 & 388, remarks on O. Schultze’s 
essays on rotation of Frog-eggs. 
0. Hertwig, Mt. Ak. Berlin, 1897, pp. 11-15, fig., reports on abnormally 
developed frog-eggs. 
R. Florentin, Bull. Sci. France Belgique, xxx, pp. 140-143, remarks on 
the role of the mucilaginous envelop of Frog-ova. 
M. Nussbaum, Arch. mikr. Anat. xlviii, pp. 545-550, pi. xxiii, has a second 
communication on the mechanism of oviposition in the common frog. 
S. Ikeda, Annot. Zool. Japon. i, p. 114, remarks on the breeding-season of 
some tailless Batrachians of Japan. 
PHANEROGLOSSA. 
Ranidas. 
Rana macrodon , Kuhl, described and figured by S. S. Flower, P. Z. S. 
1896, p. 898, pi. xlv, fig. 1 ; R. schlueteri , Werner, = R. tigrina , Daud. 
