TITLES. 
Echin. 23 
158. [LUDWIG, H.] Echinodermen des Sansibargebietes (in Voeltzkow, 
Wissenschaftliclie Ergebnisse der Reisen in Madagaskar und Ost- 
Afrika in den Jahren 1889-1895). Abh. Senckenberg. Ges. xxi, pp. 
537-563. (Feb.?) [n, b, ii, c; d, 1 : d, v. hi, a, iii. iv, c, d, e.] 
Abstract in J. R. Micr. Soc. 1900, p. 66 (Feb.); by Ludwig, Zool. 
Centrlbl. vi, p. 239. (4 April, 1899.) 
159. -. Jugendformen von Ophiuren. SB. Ak. Berlin, 1899, pp. 210- 
235, 7 text-figg. (23 March.) [ii, b, iii, c: f, vii, e. iv, E.] 
160. -. Echinodermen (Stachelhauter). ii Klasse. Die Seesterne. 
Bronte's Klassen und Ordnungen des Thierreichs, ii, Abth. 3, 
Lief. 22 (pars), pp. 621-623. (June.) [ii, b, i, d, 7.] 
For continuation of this work, see Hamann (118). 
161. -. Echinoderma. Zool. Jahresber. for 1898. (Aug. 1899.) 
[n, e, iii.] 
Gives Literature for 1898, and Abstracts of: Chadwick (31), 
H. L. Clark (32), Cuenot (41), Del age (43), Dendy (45), 
Doederlein (49, 50), Erlanger (59), Farquhar (60), Goto (81, 
82), Grave (86), Herbst (98), Iwanzoff (104), King (114), 
Koehler (117, 120), Ludwig (136, 137, 141), Mortensen (157), 
Osborn (164), Ostergren (165-167), R. Perrier (172), Sluiter 
(199), Spandel (201), Vernon (214), Ziegler (230) in Zool. 
Rec. 1898. 
- . See also Bedford (28), Bell (32), Bordas (43, 44), Clark 
(56, 57), Doederlein (78), Farquhar, H., Fischel (88), Goto, S., 
Grave (110), Gregory (111), Koehler (142), Lo Bianco (147), 
Loeb (152a), Loriol (154), Lutken & Mortensen (162), Russo 
(203, 205), and Stricht (225a). 
162. LUTKEN, C. F. & MORTENSEN, Th. The Ophiuridae (being 
No. 25 of Reports on an exploration.by the U. S. ss. 
“Albatross,” during 1891-..). Mem. Mus. Harvard, xxiii, No. 2, 
pp. 93-208, pis. i-xxiii. (Nov.) 
[ii, b, i, e, 5 ; ii, d, 1 ; e: E, iii: F, vii, e. ill, a, iv. iv, e.] 
Abstract by H. Ludwig, Zool. Centrlbl. vii, p. 139. (6 March, 
1900.) 
LUZJ, G. F., see Angelis D’Ossat, G. de & Luzj, J. (14). 
163. MAAS, G. Die untere Kreide des subhercynen Quadersandstein- 
Gebirges. Zeitschr. Deutsch. geol. Ges. Ii, pp. 243-257 (Oct.). 
[iii, b, iii, b, 2.] 
MACBRIDE, E. W. (33) Zool. Rec. 1892. Abstract by W. Krause, 
Jahresber. Anat. u. Physiol. (Virchow) fur 1892, p. 118. (June, 
1893). — (72) Zool. Rec. 1894. Abstract by R. Koehler, Rev. gen. 
Sci. ix, p. 336. (April, 1898.) 
164. -. A review and criticism of Seitaro Goto’s work on the develop¬ 
ment of Asteriaspallida. Amer. Natural, xxxiii, pp. 45-51. (Jan.) 
[ii, f, v, d; vi, d, 2 , 6, 7.) 
165. -. On the Origin of Echinoderms. Proc. IV. Internat. Congr. 
Zool. Cambridge, pp. 142-148. Remarks by A. T. Masterman. 
(June.) [ii, a, ii: f, vi, d, 6\] 
[The authors’ copies of this are erroneously repaged, 141-147.] 
Prelim. Abstract, Nature, lviii, p. 427 (1 Sept. 1898). 
166. -. The development of Echinoids. Part i. The larvae of Echinus 
miliaris and Echinus esculentus. Quart. J. Micr. Sci. (n. s.), xlii, 
pp. 335-339 (340 blank), pi. xxxiii. (Aug.) [ii, f, v, c.] 
Abstract in J. R. Micr. Soc. 1899, p. 603. (Dec. 1899.) 
