ECAUDATA. 
Rept. 33 
BATRACHIA. 
H. Konigstein, Arch. ges. Physiol, xciv, pp. 616-624, pi. iii, has investi- 
gated the histology of the lungs. 
On the development of the truncus arteriosus, Greil, Yerh. Anat. Ges. 
1903, pp. 91-105, figg. 
J. B. Johnston, Biol. Bull, v, pp. 28-34, figg., writes on the origin of the 
heart endothelium. 
A. Bracket, Arch. Biol, xix, pp. 653-698, pis. xix & xx, has made researches 
on the development of the vascular blood-system. 
E. Grynfeltt, C.R. Ac. Sci. cxxxvii, pp. 77-79, remarks on the histological 
structure of the suprarenal capsule. 
A. Prenant, C.R. Soc. Biol, lv, pp. 1044-1046, remarks on the morphology 
of the ciliated epithelial cells covering the hepatic peritoneum. 
M. Nusbaum, Yerh. Anat. Ges. 1903, pp. 86-90, has remarks on spermato- 
genesis. 
W. Rubaschkin, Arch. mikr. Anat. lxii, pp. 207-243, pis. xii & xiii, has a 
paper on the morphology of the brain. 
J. Cameron, Anat. Anz. xxiii, pp. 394 & 395, remarks on the origin of the 
pineal body. 
R. Rubin, Arch. Entwickmech. xvi, pp. 21-75, figg., pi. i, has made 
experiments on the nervous system in relation to the regeneration of 
parts. 
P. Wintrebert, C.R. Ac. Sci. cxxxvii, pp. 617-763, remarks on the 
regeneration of the hind limbs and tail, after the removal of the 
nervous system. 
P. Ancel, C.R. Soc. Biol, lv, pp. 1399-1401, remarks on the origin of 
cutaneous glands. 
ECAUDATA. 
E. Goggio, Mem. Soc. Toscana xix, pp. 239-267, pis. x & xi, writes on the 
early development of the lungs in Discoglossus pictus. 
F. Livini, Monit. Zool. ital. xiv, pp. 6-19, pis. i & li, has investigated the 
hypobranchial duct in embryos of Bufo vulgaris. 
R. H. Marcelin, Rev. Suisse Zool. xi, pp. 369-392, pi. xii, has studied the 
histogenesis of the intestinal epithelium in Rana esculenta. 
L. Gianelli, Monit. Zool. ital. xiv, pp. 33-46, figg., has investigated the 
first phases in the development of the pancreas in Rana esculenta. 
Y. Wigert & H. Ekberg, Anat. Anz. xxii, pp. 364-368, fig g., and Arch, 
mikr. Anat. lxii, pp. 740-744, pi. xxx, describe peculiar canalicules in 
certain epithelial cells of the kidneys of Frogs. 
C. Ciaccio, Anat. Anz. xxiii, pp. 95-105, figg., describes peculiar cells in 
the suprarenal capsule. 
A. Policard, C.R. Ass. Franc, xxxi, ii, pp. 746-751, figg., has histological 
notes on Bidder's organ in Bufo vulgaris. 
A. Cerruti, Rend. Acc. Napoli (3) ix, p. 163, gives an abstract of a paper 
on Bidder’s organ in Bufo vulgaris. 
E. Ballowitz, Arch. mikr. Anat. lxiii, pp. 343-364, pi. xvi, writes on the 
spermatozoa of Discoglossus pictus. 
R. G. Harrison, Arch. mikr. Anat. lxiii, pp. 35-149, figg., pis. iii-v, has 
investigated the development of the sense-organs of the lateral line in 
grafted embryos of Frogs. 
T. H. Morgan & Alice M. Boring, Arch. Entwickmech. xvi, pp. 680-690, 
pi. xxii, have investigated the relation of the first plane of cleavage 
and the grey crescent to the median plane of the embryo of the Frog. 
