TITLES. Pisces 9 
HiLGENDORF, F, Ein neuer Scyllium-artiger Haifisch, ProscylUum ha- 
hereri, nov. subgen., n. spec, von Formosa. SB. Ges. naturf. Berlin 
1904, pp. 39-41. 
HoFER, B. Handbuch der Fischkrankheiten. Munich, 1904, 8vo, 359 pp., 
figg. 
Holt, E. W. L. & Byrne, L. W. On the Fishes taken by the ' Oceana.' 
Ann. Nat. Hist. (7) xiv, pp. 37-40, fig. 
HoscH, — , Das Sehorgan von Protopterus annectens. Arch. mikr. Anat. 
Ixiv, pp. 99-110, pi. vi. 
HuTTON, F. W. Index Faunse Novse Zealandise. London, 1904, 8vo, 
372 pp. 
. Description of a new Fish. Tr. N. Zealand Inst, xxxvi, p. — [sepa- 
rate copy]. 
Hyde, Ida H. Localization of the respiratorv centre in the Skate. Amer. 
J. Physiol, x, pp. 236-258, figg. 
. Differences in electrical potential in developing eggs. Op. cit. xii, 
pp. 241-275. 
Imms, a. D. Notes on the Gill-rakers of the Spoonbill Sturgeon, Polyodon 
spathvla. P. Z. S. 1904, ii, pp. 22-35, pi. ii. 
IsHiKAWA, C. Notes on some new or little known Fishes of Japan, i, 
P. Tokyo Mus. i, pp. 1-17, pis. i-vii. 
Jaeger, A. Die Schwimmblase der Fische. Ber. Senckenberg. Ges. 1904, 
pp. 63*-72* 
. Die Physiologie der Schwimmblase der Fische. Biol. Centrbl. xxiv, 
pp. 129-142. 
Jaekel, 0. Ueber die Organisation und systematische Stellung der 
Asterolepiden. Zeitschr. Deutsch. geol. Ges. Iv, Verb., pp. 41-60, 
figg- 
. Ueber Tremataspis und Pattens Ableitung der Wirbeltiere von 
Arthropoden. T. c. pp. 84-93, figg. 
Jenkins, 0. P. Report on collections of Fishes made in the Hawaiian 
Islands, with descriptions of new species. Bull. U. S. Fish Comm. xxii, 
pp. 417-511, figg. 
Jensen, A. S. The North-European and Greenland Lycodinoe. Danish 
Ingolf-Expedition iii. No. 4, 99 pp., figg., 10 pis. 
. The Fishes of East-Greenland. Medd. Gronland xxix, pp. 213-276, 
pis. xi-xiii. 
Johansen, a. C. Contributions to the biology of the Plaice, with special 
regard to the Danish Plaice-fishery. Meddel. Komm. Havunders., 
Fisk. i, No. 2, 69 pp., 12 pis. 
Johnstone, J. On the Marine Fishes. Suppl. Rep. Ceylon Pearl 
Fisheries, No. xv, pp. 201-222, 2 pis. 
. Trawling observations and results. P. Liverp. biol. Soc. xviii, 
pp. 100-112, pi. i. 
Jordan, D. S. Notes on Fishes collected in the Tortugas Archipelago. 
Bull. U. S. Fish Comm. xxii, pp. 539-544, pis. i & ii. 
. The transplanting of Trout in the streams of the Sierra Nevada. 
Amer. Natural, xxxviii, pp. 885-887. 
