TITLES. 
Gen. Sub. 27 
435. [Jacobi, A.] Tiergeographie. Leipzig. Sammlung Goschen, 1904, 
152 pp., 2 maps. 
436. Jagerskiold, L. A. Results of the Swedish Zoological expedition to 
Egypt and the White Nile, 1901, under the direction of L. A. 
Jagerskiold. Part I, Upsala, 1904. 
Includes many short papers which are dealt with in our special Records. 
437. Jammes, L. Zoologie pratique basde sur la dissection des animaux 
les plus repandus. Paris, 1904, 8vo, iii+565 pp. 
438. Jankowski, J. Beitrag zur Entstehung des Corpus luteum der 
Saugetiere. Arch. mikr. Anat. Ixiv, pp. 361-388, pi. xxiii. 
439. JanosIk, J. Uber die Entwicklung der Vorniere und des Vornieren- 
ganges bei Saugern. Arch. mikr. Anat. Ixiv, pp. 214-234, pis. xiii, 
xiv. 
440. . Ov^voji predledviny (pronephros) a vyvodu Wolffova u ssavcu. 
Rozpr. Ceske Ak. ii, xiii, No. 9, 16 pp., 2 pis. 
441. Janssens, F. A. Das chromatische Element wahrend der Entwicke- 
lung des Ovocyts des Triton. Anat. Anz. xxiv, pp. 648-651. 
442. Jenkinson, J. W. The effect of solutions of salt and other substances 
on the development of the frog. Rep. Brit. Ass. 1903, pp. 693, 694. 
443. . The influence of salt and other solutions on the development 
of the frog. Op. cit. 1904, pp. 288-291. 
444. . On the fertilisation of the egg of the Axolotl. T. c. p. 600. 
445. . Observations on the maturation and fertilisation of the egg of 
the Axolotl. Quart. J. Micr. Sci. xlviii, pp. 407-482, pis. xxix-xxxiii. 
446. Jennings, H. S. Contributions to the study of the behavior of lower 
organisms. Publ. Carnegie Inst. No. 16, 8vo, 256 pp. 
Review by Yerkes, Science xx, pp. 750-753. 
447. . Asymmetry in certain lower organisms, and its biological 
significance. Mark Anniv. Yol. pp. 315-337. 
448. . Physical imitations of the activities of Amoeba. Amer. Natural. 
xxxviii, pp. 625-642. 
449. Jolly, J. Influence de la temperature sur la duree des phases de la 
division indirecte. C.R. Ac. Sci. pp. 387-389. 
450. J oubin, L. L’enseignement de la Malacologie au Musdum (Le?on 
d’ouverture du cours de Malacologie). [Historical.] Rev. gen. Sci. xv, 
pp. 174-182. 
451. Julin, C. Recherches sur la phylogenkse des Tuniciers. Developpe- 
ment de Pappareil branchial. Zeitschr. wiss. Zool. lxxvi, pp. 544-611. 
Abstract by Seeliger, Zool. Zentrlbl. 1905, pp. 209-214. 
452. Kallius, E. Sehorgan. Anat. Hefte. Ergebn. xiii, pp. 233-367. 
Summary of recent work : bibliographic list pp. 233-241. 
453. Kaneko, J. KiAnstliche Erzeugung von margines falciformes und 
arcus tendinei. Arch. Entwickmech. xviii, pp. 317-376, pis. xix-xxi, 
13 figg. 
454. *Kapteyn, J. C. Skew frequency curves in biology and statistics. 
Groningen, 1903. 
Review, Science xix, pp. 575, 576, by Engberg. . 
