8 Pisces. 
V. PISCES. 
Jacoby, M. Dio Hornzahne der Cyclostomen nach Untersuchungen an 
Myxine glutinosa, Petromyzon fluviatilis und marinus. Arch. mikr. 
Anat. xliii, 1894, pp. 117-148, pi. vi. 
Jaekel, 0. Ueber die Ruderorgano der Placodermen. SP. Nat. Fr. 
1893, pp. 178-181. 
Jordan, D. S. Temperature and Vertebrae — A Study in Evolution. 
Being a Discussion ot: the Relationships of the Numbers of 
Vertebrae among Fishes, to the Temperature of the Water and to 
the Character of the Struggle for Existence. Wilder Quart. Cent. 
Book (Ithaca, 1893) pp. 13-36. 
. A Description of the Golden Trout of Kern River, California, 
Salmo mykiss agua-bonita. P. U. S. Mus. xv, 1892, pp. 481-483. 
. Description of a new species of Cyprinoid Fish, Couesius greeni , 
from the head waters of Frazer River in British Columbia. Op. 
cit. xvi, 1893, pp. 313 & 314. 
Jordan, D. S., & Gilbert, C. H. Note on the Wall-eyed Pollack 
( Pollachius chalcogrammm fucensis ) of Puget Sound. T. c. 
pp. 315 & 3 10. 
Jordan, D. S., & Fesler, B. A Review of the Sparoid Fishes of 
Anierica and Europe. Rep. U. S. Fish Comm. 1889-91, pp. 421-544, 
pis. xxviii-lxii (1893). 
Jungersen, H. F. E. Om Embryonalnyren hos Storen ( Accipenser 
slurio). Vid. Medd. 1893, pp. 188-203, pi. ii. 
. Die Embryonalniere des Stors ( Accipenser sturio). Zool. Anz. xvi, 
1893, pp. 4G4-4G7, & 469-472, fig. 
Kavraiski, F. F. Lists and Descriptions of the specimens preserved 
in the Zoological Museum of the Imperial University of Moscow* 
Section 1, No. 2. Lists and Descriptions of the Collection of Fishes 
in the Museum. (Russian.) Tr. Soc. Friends N. H. Moscow, lvi, 
1893, 50 pp. 
Kent, W. S. The Great Barrier Reef of Australia ; its Products and 
Potentialities. London: 1893, 4to. 
. Description of a new species of True Burrimundi, Osteoglossum 
jardinii , from North Queensland. P. Soc. Queensland, viii, 1892, 
pp. 105-108. 
Kirkaldy, J. W. On the Head Kidney of Myxine. Quart. J. Micr. 
Sci. Xxxv, 1894, pp. 353-359, pi. xxiii. 
Klaatscii, H. Beitrage zur vergleichenden Anatomie der Wirbel- 
saule. ii. Ueber die Bildung knorpeliger Wirbelkorper bei Fischen. 
Morphol. Jahrb. xx, 1893, pp. 143-186, pi. vii. 
. Ueber die Wirbelsiiule der Dipnoer. Verh. Anat. Ges. 1893, 
pp. 130-132. 
