LEPT0CARD1I. 
Pisces 33 
R. H. Traquair, P. Z. S. 1897, pp. 314-317, refutes B. Dean’s inter- 
pretation of the remains of Palceospondylus gunni , , Traq. 
LEPTOCARDIL 
E. W. MacBride, P. Cambridge Soc. ix, pp. 309-313, discusses the relation- 
ship of Leptocardians and Balanoglossus. 
C. S. Minot, Amer. Natural, xxxi, pp. 928-943, discusses the affinities of 
Amphioxus and the ancestry of Vertebrates. 
E. Kopsch, SB. Ges. naturf. Berlin, 1897, pp. 5-13, figg., writes on the 
formation and signification of the canalis neurentericus in Amphioxus 
and Tunicates. 
J. Sobotta, Verh. Ges. Wurzburg (2) xxxi, pp. 101-121, fig., pi. — , writes 
on Gastrulation in Amphioxus. 
H. Klaatsch, Morphol. Jahrb. xxv, pp. 224-243, figg., pi. xii, remarks 
on the Gastrula of Amphioxus. 
W. Krause, Zool. Anz. xx, p. 513, writes on the sensitiveness of Branchio- 
stoma lanceolatum to differently coloured lights. 
H. Nakagawa, Annot. Zool. Japon. i, p. 125, describes a Branchiostoma 
(spec. ?) from Nyushya, Japan. 
