24 Echin. 
XIV. ECHINODERMA. 
LECAILLON, A. See Boveri, T. 
185. LEIPER, R. T. On an Acoelous Turbellarian inhabiting the common 
heart-urchin. Rep. Brit. Ass. 1902, pp. 652, 653. (June.) 
[li, d, viii, c.] 
186. LEM01NE, P. Sur la geologic de la Montagne des Fran§ais 
(Madagascar). C.R. Ac. Sci. cxxxvi, pp. 570-572. (Mar.) 
[hi, b, iii, b, i.] 
. See also Lambert (174). 
LERICIJE, M. See Gauthier (100, 101), Pellat (252). 
LEVINSEN, J. C. L. See Johansen (158), Petersen (259 j. 
187. LEVlNSKl!, I. (LEWINSKI, J.) Geologlcheskiya Izslyedovaniya, 
pro!zvedenn‘iya po linil V ars ha vsko - K allshskol zhelyeznol dorogl. 
(Explorations geologiques dans la region traversee par le chemin de 
fer Varsovie-Kalisz.) Bull. Com. geol. St. Petersb. xxi, pp. 487-639, 
pi. vi. (1902.) [iii, b, iii, c, 1 .] 
LEWIS, W. H. See Loeb, J. and Lewis, W. H. 
188. LILLIE, R. S. Fusion of blastomeres and nuclear division without 
cell-division in solutions of non-electrolytes. Biol. Bull, iv, pp. 164- 
178, 3 text-figg. (March.) [n, f, viii.] 
Abstract: in Ludwig (205), and by P. Mayer, Zool. Jahresber. 
1903 (Aug. 1904). 
189. LISSAJOUS, M. Echinides jurassiques des environs de Macon. 
[First section.] Bull. Soc. hist. nat. Macon, ii, pp. 97-111, pi. i. 
(Oct.) [iii, b, iii, c, i, 2, S ; d. iv, c.] 
190. LO BIANCO, S. Le pesche pelagiche abissali eseguite dal Maia 
nelle vicinanze di Capri. Mt. Stat. Neapel, xv, pp. 413-482, pi. xix. 
(31 Dec. 1901.) [in, a, ii.] 
191. . Le pesche abissali eseguite da F. A. Krupp col Yacht Puritan 
nelle adiacenze di Capri ed in altrfi locality del Mediterraneo. Nit. 
Stat. Neapel, xvi, pp. 109-279, pis. vii-ix. (30 Apr.) [ill, a, ii.] 
LOEB, J. (199) Zool. Rec. 1900. Abstract by Y. Delage, Annee 
biol. 1901, p. 119 (1903). (170, 171) Zool. Rec. 1902. Abstracts by 
E. Bataillon, Annee biol. 1902, pp. 91, 92 (1903). (172) Zool. 
Rec. 1902. Abstracts : in J. R. Micr. Soc. 1903, p. 501 (Aug.) ; 
by L. Cu^not, Annee biol. 1902, p. 78 (1903). 
192. . On a method by which the eggs of a sea-urchin ( Strongylocen - 
trotus purpuratus) can be fertilized with the sperm of a starfish 
( Asterias ochracea). Publ. Uniy. California Physiol, i, pp. 1-3. 
(27 April.) [ii, f, viii.] 
Abstracts: J. R. Micr. Soc. (1904), p. 187 (April); in Ludwig (205). 
193. . Ueber die Befruchtung von Seeigeleiern durch Seesternsamen. 
ii. Mittheilung. Arch. ges. Physiol, xcix, pp. 323-356. (13 Oct.) 
[ii, f, viii.] 
194. . The fertilization of the egg of the sea-urchin by the sperm of 
the starfish. Publ. Univ. California Physiol, i, pp. 39-53. (9 Nov.) 
[ii, f, viii.] 
Abstracts : Rev. Scient. (4) xx, pp. 347, 348 (12 Sept. 1903) ; by 
M. Wende, Kosmos polski, xxix, pp. 106-110 (Apr. 1904); in 
Ludwig (205). 
195. . Ueber die Reaction des Seewassers und die Rolle der Hydroxyl- 
ionen bei der Befruchtung der Seeigeleier. Arch. ges. Physiol, 
xcix, pp. 637, 638. (11 Nov.) [n, F, viii.] 
196. . On the relative toxicity of distilled water, sugar solutions, and 
solutions of the various constituents of the sea-water for marine 
