ECAUDATA. 
Rept 35 
E. GoGGio, Atti Soc. Toscana xx, pp. 186-223, pis. vii & viii, has made 
experiments on the development of mutilated larvae of Bufo vulgaris. 
Lilian V. Sampson, Amer. J. Anat. iii, pp. 473-504, figg., 2 pis., has a con- 
tribution to the embryology of Hylodes martinicensis. 
T. W. Morgan & E. Toulle, Arch. Entwickmech. xviii, pp. 507-554, 
pis. xxxi-xxxiii, have studied the relation between normal and ab- 
normal development in Frogs. 
H. Braus, Verh. Anat. Ges. 1904, pp. 53-65, remarks on experiments on 
transplantation of organs in Bomb ina tor larvae. 
A. H. Todd, Arch. Entwickmech. xviii, pp. 489-506, figg., pis. xxix & xxx, 
writes on the results of injuries to the blastopore region of the Frog's 
embryo. 
A. Bracket, Arch. Biol, xxi, pp. 103-160, pi. iv, has made experiments on 
the segmentation of Rana temporaria. 
E. Bataillon, C.R. Soc. Biol, ivi, pp. 749-751, has made further experi- 
ments on parthenogenetic segmentation of the ova of Bufo vulgaris. 
E. Bataillon, Arch. Entwickmech. xviii, pp. 1-56, figg., pis. i-iv, has 
made new experiments on artificial parthenogenesis on eggs of Rana 
temporaria. 
W. KoLMER, Anat. Anz. xxv, pp. 102-104, fig., remarks on some points in 
the structure of the retina of Frogs. 
A. SCHAPER, Anat. Anz. xxiv, pp. 305-326, figg., has studied the develop- 
ment of the lens in Rana esculenta. 
W. H. Lewis, Amer. J. Anat. iii, pp. 505-536, figg., has made experimental 
studies on the origin of the lens in Rana palustris. 
G. Ceccherelli, Anat. Anz. xxiv, pp. 428-435, figg., writes on the nerve- 
terminations of the dorsal muscles in Tailless Batrachians. 
R. G. HxiRRisoN, Amer. J. Anat. iii, pp. 197-220, figg., has made an experi- 
mental study of the relation of the nervous system to the developing 
musculature in Frog embryos. 
On the mode of respiration in Frogs, M. D. Hill, Nature Ixix, p. 489, and 
A. Keith, t. c. pp. 511 & 512. 
O. Hertwig, Festschr. Haeckel, pp. 17-30, pi. iii, has further observations 
on the orientation of Frog-eggs. 
T. H. Morgan, Anat. Anz. xxv, pp. 94-96, writes on the dispensibility 
of the constant action of gravity and of a centrifugal force in the 
development of the Toad's egg. 
G. BoHN, C.R. Soc. Biol. Ivi, pp. 633 & 634, 767 & 768, 789-792, has made 
experiments on the influence of the sun-rays on the eggs of Frogs and 
Toads in the evolution of the embryo and early larval stages. 
G. BoHN, C.R. Ac. Sci. cxxxviii, pp. 1244 & 1245, remarks on light, food, 
and chlorophylle as factors in the development of the Frog. 
J. W. Jenkinson, Rep. Brit. Ass. 1903, pp. 693 & 694, remarks on the 
effect of solutions of salt and other substances on the development 
of the Frog. 
Pochet, Arch. Sci. Nat. (4) xviii, pp. 205 & 206, has made experiments on 
the toxico-exciting action of copper on the development of Frogs' 
eggs. 
A. ScHAPER, Anat. Anz. xxv, pp. 298-314, 326-337, figg., has made ex- 
periments on the influence of Radium rays and emanations on the 
development of Frog larvae. 
A. GuRwiTSCH, Verh. Anat. Ges. 1904, pp. 146-152, figg., has made experi- 
ments on the restoration of the protoplasm in injured Frogs' eggs. 
E. FuNAOKA, Verh. Ges. Wurzburg (2) xxxvii, pp. 1-11, figg., pi. i, 
remarks on the mechanism of various muscles of Frogs. 
L. LoEB & R. M. Strong, Amer. J. Anat. iii, pp. 275-283, write on the 
regeneration of the pigmented skin of the Frog, and on the character 
of the chromatophores. 
