36 Echin. 
XIV. ECHINODERMA. 
WELLER, S. (348) Zool. Rec. 1900. Abstract by T. W. Stanton, 
Geol. Centrbl. ii, pj). 61, 62 (15 Jan. 1902). 
318. -. Correlation of the Kinderhook formations of Southwestern 
Missouri. J. Geol. ix, pp. 130-148. .(March.) [in, B, iv, e.] 
319. WERTH, E. Zur Kenntniss der jiingeren Ablagerungen im tropischen 
Ost-Afrika. Zeitschr. Deutsch. geol. Ges. liii, pp. 287-304. (Oct.) 
[hi, b, ii, b.] 
320. WHITE AYES, J. F. Catalogue of the Marine Invertebrata of 
Eastern Canada [with Preface by R. Bell]. 8vo, iv + 272 pp., 1 
text-fig. Ottawa: Geol. Surv. Canada. (Aug.) [m, a, ii, iv.] 
Review by E. E. P[rince], Ottawa Natural, xv, pp. 165-172 
(12 Oct. 1901) errata, p. 189 (1 Nov. 1901). 
321. WHITFIELD, R. P. & HOYEY, E. O. Catalogue of the types and 
figured specimens in the Palieontological Collection of the Geological 
Department, American Museum of Natural History. Part iv. 
Lower Carboniferous to Pleistocene, inclusive. Bull. Amer. Mus. 
xi, Part 4, pp. 358-500, with Preface to vol., xvi pp. & 2 folding- 
tables. (27 Dec.) [ii, e, i, c. hi, b, ii, b, d; iv, e. iv, f.] 
WILSON, E. B. (257) Zool. Rec. 1899. Abstract by R. Florentin, 
Annee biol. 1899-1900, p. 16 (1901); Ludwig (195).—(353) Zool. 
Rec. 1900. Review by J. B. Farmer, Nature, lxiii, pp. 437, 438, 
7 March, 1901. 
322. -. The history of the Centrosomes in artificial parthenogenesis, 
and its relation to the phenomena of normal fertilization. Prelim. 
Abstract in New York Acad. Sci. Report; Science (n. s.) xiii, 
p. 865. (31 May.) [ii, f, viii.j 
323. -. A Study of the Phenomena of Fertilization and Cleavage in 
Etherized Eggs. Biol. Bull, ii, pp. 343-346. (June.) [n, f, viii.] 
324. -. The Morphological Phenomena involved in the Chemical Pro¬ 
duction of Parthenogenesis in Sea Urchins. Biol. Bull, ii, pp. 347- 
350. (June.) [n, f, viii.] 
Preliminary Abstract, entitled, “ The chemical fertilization of 
the Sea Urchin egg,” Science (n. s.) xiii, pp. 71, 72 (11 Jan. 1901). 
325. -. Experimental studies on Echinoderm eggs (Parthenogenesis). 
Tagebl. d. Y. Int. Zool. Congr. No. 8, p. 6. (26 Aug.) [n, f, viii.] 
326. -. Experimental Studies in Cytology. I. A Cytological Study 
of Artificial Parthenogenesis in Sea-urchin Eggs. Arch. Entwick- 
mech. xii, pp. 529-596, pis. xi-xvii, 12 text-figg. (10 Sept.) 
[ii, F, viii.] 
Abstracts: by R. S. Bergh, Zool. Centrlbl. viii, pp. 851-854 (Oct. 
1901); by P. Mayer, Zool. Jahresber. 1901 (Aug. 1902). 
327. -. Experimental Studies in Cytology, n. Some phenomena of 
fertilization and cell-division in etherized eggs. in. The effect on 
cleavage of artificial obliteration of the first cleavage furrow. Arch. 
Entwickmech. xiii, pp. 353-395, pis. xii-xvi. (17 Dec.) 
[ii, f, iv, viii.] 
Abstract by P. Mayer, Zool. Jahresber. 1901 (Aug. 1902). 
- . See Boveri (40). 
WINKLER, H. (358) Zool. Rec. 1900. Abstract by Y. Delage, 
Annee biol. 1899-1900, p. 119 (1901); Ludwig (195). 
328. -. Ueber Merogonie und Befruchtung. Jahrb. wiss. Botanik, 
xxxvi, Heft 4, pp. 753-775. [n, f, viii.] 
Abstracts: by R. S. Bergh, Zool. Centrlbl. ix, p. 170 (25 March, 
1901); by P. Ma\ t er, Zool. Jahresber. 1901 (Aug. 1902). 
