TITLES. 
Echin. 31 
Abstract by F. A. Bother 1 , Geol. Mag. (n. s.), dec. iv, vol. vii, 
pp. 132, 133 (March 1900); by E. Kayser, N. Jahrb. Min. 
1900, ii, pp. -104—107- (June, 1900). 
VERNON, H. M. (213) Zool. Rec. 1898. Abstract: Rev. Scient. 
(4), ix, pp. 730, 731 (4 June, 1898).—Zool. Rec. 1898. Abstract: 
Rev. Scient. (4), xi, pp. 86-88 (21 Jan. 1899). 
240. -. The effect of staleness of the sexual cells on the development 
of Echinoids. P. R. Soc. London, lxv, pp. 350-360, 1 fig. 
[ii, f, viii.] 
Abstracts: Rev. Scient. (4), xii, pp. 794, 795 (16 Dec. 1899); 
J. R. Micr. Soc. 1900, p. 65 (Feb. 1900). 
241. -. The death temperature of certain marine organisms. J. 
Physiol, xxv, pp. 131-136. (28 Nov.) [n, c, vii.] 
242. VERRI, A. & ANGELIS D’OSSAT, G. de. ii° Contribute alio 
studio del Miocene nell’ Umbria. Boll. Soc. geol. Ital. xix, pp. 240- 
279. (1900.) [hi, b, ii, d.] 
Parte paleontologica, di G. de Angelis d’Ossat, pp. 254-279. 
243. VERRILL, A. E. Revision of certain genera and species of Star¬ 
fishes with descriptions of new forms. Tr. Connect. Ac. x, pp. 145 
-234, pis. xxiv-xxx. (Aug.) 
[ii, b, ii, b; c ; d, 1, 2 : e, iii. hi, a, ii. iv, d.] 
Abstract in J. R, Micr. Soc. 1900, p. 66 (Feb.). 
244. -. Report on the Ophiuroidea collected by the Bahama expedi¬ 
tion in 1893. Bull. Lab. Iowa, v, No. 1, 88 pp., viii pis. (Sept.). 
[ii, b, i, e, 5 ; ii, b, c, d, 1 : d, iii; v, c : F, vii, e. hi, a, ii. iv, e.] 
Note in Nature, lxi, p. 16 (2 Nov.), [persistently refers to these 
animals as “ feather-stars,” which is popular for “ crinoids ”]. 
VINASSA DE REGNY, P. E. (335) Zool. Rec. 1897. Abstract: 
Boll. Com. geol. Ital. (3), x, p. 112 (Aug. 1899). 
245. -. I fossili della “Tabella Oryctographica ” di Ferdinando Bassi 
conservata nel R. Istituto geologico di Bologna. Boll. Soc. geol. 
Ital. xviii, pp. 491-500. [ii, E, iii.] 
Abstract by the author. Riv. ital. Pal. vi, p. 15 (31 March, 
1900). 
— . See also Airaghi (2, 4), and Bonarelli (42). 
246. WAAGEN, W. & JAHN, J. J. System e Silurien du centre de la 
Boheme par Joachim Barrande. l® re partie: Recherches Paleonto- 
logiques. Continuation editee par le Musee Boheme. Yol. vii. 
Classe des Echinodermes. [2 e partie.] Famille des Crino'ides, vi + 
216 pp., 40 pis. numbered xl-lxxix and text-figg. Prague. (Dec.) 
Review by F. A. Bather, Ann. Mag. Nat. Hist. (7), vi, pp. 102- 
121, 9 text-figg. (July, 1900). 
[ii, b, i, f, 5 ; ii, b, e. iii, b, iv, f, g, h. iv, f, k.] 
WACHSMUTH, C. & SPRINGER, F., see Bather (24, 25), and 
Jaekel (129). 
247. WALFORD, E. A. On some ironstone fossil nodules of the Lias. 
Abstract only: Proc. geol. Soc. for 21 June, 1899, p. 119; and 
Ann. Nat. Hist. (7), iv, p. 467. (Dec.) [iv, k.] 
248. WALTON, F. F. Echinoderms of the Yorkshire Chalk. Trans. 
Hull. geol. Soc. iv, pp. 22, 23. (1898 ?) 
Eight-line Abstract only, 7 Echinoid spp. mentioned. 
249. WELLER, S. A bibliographic index of North American Carboni¬ 
ferous Invertebrates. Bull. U. S. geol. Survey, No. 153, 654 pp. 
(1898 [?, received in London, July, 1900].) [ii, e, iii.] 
