52 Pisces 
V. PISCES. 
[1904] 
GH0NDR08TEI. 
A. Nicolas, Arch. Biol, xx, pp. 425-460, pis. x-xii, has investigated the 
development of the pancreas, the liver, and the spleen in Acipenser 
ruthenus. 
E. GiACOMiNi, Monit. Zool. ital. xv, pp. 19-32, writes on the suprarenal 
capsule of Acipenser sturio. 
Anna Drzp]wina, C.R. Soc. Biol. Ivi, pp. 957-959, has a preliminary note 
on the granular cells of the kidney of Acipenser sturio. 
G. Wagner, Science xix, p. 554, points out the presence of minute rostral 
barbels and of small scales near the branchial region in Folyodon. 
A. D. Imms, p. Z. S. 1904, ii, pp. 22-35, pi. ii, writes on the gill-rakers of 
Polyodon. 
Acipenseridce. Definitions of the four recent genera, and list of the species, 
by L. S. Berg, Zool. Anz. xxvii, pp. 665-667. 
Acipenser, L. Notes on the specimens in the Vienna University Museum : 
Werner, Zool. Jahrb. Syst. xxi, pp. 266-269. A. sturio, L. Notes 
by N. M. Katuric, Rad. Jugoslav. Ak. cliv, 1903, p. i. 
Huso, g. n., for Acipenser huso, L., and dauricus, Georgi, L. S. Berg, t. c. 
p. 665. 
JVep/irotus chorzoviensis, H. v. Meyer (foss.), redescribed and figured by 
ScupiN, Zeitschr. Deutsch. geol. Ges. Iv, p. 465, pis. xxi & xxii. 
DIPNEUSTI. 
On the morphology of the skeleton : K. Furbringer in Semon, Zool. 
Forsch. i, pp. 423-510, figg., pis. xxxvii-xli, 
K. Furbringer, Anat. Anz. xxiv, pp. 405-408, remarks on some points in 
the anatomy of the head of the Dipneusti. 
R. Wiedersheim, Anat. Anz. xxiv, pp. 651 & 652, has further remarks on 
the larynx of the Dipneusti. 
E. GoppERT, Festschr. Haeckel, pp. 115-132, figg., pi. vii, has investigated 
the larynx of Protopterus annectens. 
L. Neumayer in Semon, Zool. Forsch. i, pp. 377-422, figg., pi. xxxvi, deals 
with the development of the viscera of Neoceratodus forsteri. 
H. Bluntschli in Semon, Zool. Forsch. i, pp. 333-356, figg., pi. xxxv, deals 
with the histology of the liver of Neoceratodus forsteri. 
W. E. Kellicott, Biol. Bull, vi, pp. 320 & 321, has a note on the develop- 
ment of the vascular system of Neoceratodus forsteri. 
J. G. Kerr, Tr. R. Soc. Edinb. xli, pp. 119-127, 6 pis., writes on the early 
development of the motor nerve trunks and of the myotomes in 
Lepidosiren par ad oxa. 
R. BiNG & R. BuRCKHARDT, Anat. Anz. xxv, pp. 588-599, figg., write on 
the central nervous system of Neoceratodus forsteri. 
HoscH, Arch. mikr. Anat. Ixiv, pp. 99-110, pi. vi, has studied the structure 
of the eye in Protopterus annectens. 
Ceratodus priscus, sp. n. (foss.), E. Fraas, Ber. Oberrhein. geol. Yer. 
xxxvii, p. 30, fig., Trias, Black Forest ; C. africanus, sp. n. (foss.), 
Haug, C.R. Ac. Sci. cxxxviii, p. 1529, Cretaceous of Djoua, Sahara. 
CROSSOPTERYGII. 
Polypterus, Geoffr. On the specimens in the Vienna University Museum : 
Werner, Zool. Jahrb. Syst. xxi, p. 271. 
