ELAS MOB RANCH II. 
Pisces 41 
On fossil egg-capsules of Chimoeroids; O. Jaekel, Zeitschr. Deutscli. geol. 
Ges. xlviii, p. 691. 
Chimmra affinis , Capello, figured by Goode & Bean, Ocean. Ichthyol. 
pi. x, figg. 32-35. 
Ischyodus, Ag. (foss.) : ou the remains from the Upper Jurassic of Bou- 
logne ; Sauvage, Bull. Soc. geol. France (3) xxiv, pp. 456-465, 
pis. xxi & xxii. I. schuebleri , Queust., and avitus , H. v. Mey (foss.) : 
on some newly-discovered remains ; L. v. Ammon, Ber. Yer. 
Regensburg, v, p. 253, pis. v & vi. 
ELASMOBRANOHII. 
B. Dean writes on Selachians as ancestral Fishes ; Nat. Sci. viii, 
pp. 245-253, figg. 
P. J. White has a note on the extra-branchial cartilages of Scyllium 
canicula ; Anat. Anz. xii, p. 158. 
E. W. ClaypoTjE investigates the structure of the teeth in Cludodus ; 
P. Araer. Soc. Micr. xvi, 1895, pp. 191-195, 4 pis. 
On the structure of the spines of Acanthias ; F. Markert, Zool. Jahrb. 
Anat. ix, pp. 664-722, figg., pis. xlvi-xlix. 
On the minute structure of the Selachian brain ; E. Sauerbeck, Anat. 
Anz. xii, pp. 41-52, figg. 
On the minute structure of the retina in Selachians; L. Neumeyer, Arch, 
mikr. Anat. xlviii, pp. 83-111, figg. 
On the structure of the retina of Selachians ; Retzius, Lilljeborg Fest- 
schrift, pp. 17-28, figg. 
C. Rabl, Morphol. Jahrb. xxiv, pp. 632-767, figg., pis. xiii-xix, writes 
on the development of the urogenital system of Selachians. 
On the origin of the blood-corpuscles of the aorta and endocardium in. 
Selachian embryos ; 0. van der Sticht, C.R. Soc. Biol. (10) iii, 
pp. 287-290. 
On the development of the pancreas in Selachians ; Laguesse, Bibliog. 
Anat. ii, 1891, pp. 101-109, figg. 
On the development of the spiral intestine in Selachians ; J. Ruckert, 
Arch. Entwickmech. iv, pp. 298-326, fig., pi. xv. 
C. K. Hoffmann, Morphol. Jahrb. xxiv, pp. 209-286, pis. ii-v, contri- 
butes to the early embryology of Selachians. 
On the development of the spinal valve of the intestine in Pristiurus ; 
J. Ruckert, Verb. Anat. Ges. x, pp. 145-148. 
On the development of the brain in Chondropterygian Fishes ; 
F. d’Erchia, Monit. Zool. ital. vii, pp. 75-80. 
On the segmentation of the nervous system in Acanthias ; II. V. Neal, 
Anat. Anz. xii, pp. 377-391, figg. 
J. Beard, t. c. pp. 371-374, remarks on the disappearance of the transient 
nervous apparatus in the series Scyllium , Acanthias , Mustelus , and 
Torpedo. 
On the transient nervous apparatus in the embryo of llaia hath ; 
J. Beard, Zool. Jahrb. Anat. ix, pp. 319-426, pis. xxii-xxix. 
On spermatogenesis in Selachians ; Sabatier, Trav. Instit. Univ. Mont- 
pellier, 1896. 
Acanthodcs hronni , Ag. (foss.) : on its organisation ; O. M. Reis, Morphol. 
Arbeit. vi, p. 143, figg., 2 pis. 
Galeus cams , L. : remarks on embryos ; J. E. Peabody, Science (2) iv, 
p. 535. 
Carcharias ( Prionodon ) siamensis , n. sp., Steindachner, Ann. Hofmus. 
Wien, xi, p. 229,iMouths of the Irrawaddy. C. yihbesii , Wood (foss.) : 
tooth noticed and figured by De-Alessandri, Atti Acc. Torino, 
xxxi, p. 721, pi. i, fig. 3. 
