I.—Wachsmuth and Springer's Monograph on Crinoids.

^{page 318 note 1} The North American Crinoidea Camerata. By C. Wachsmuth and F. Springer. Hem. Mus. Comp. Zool. Harvard, vols. xx and xxi, containing 80S pp. and 83 plates. (Cambridge, U.S.A., May, 1897.) For First Notice, see June Number, p. 276.

^{page 319 note 1} “The term ‘syzygy,’ etc.” : Zool. Anzeiger, xix, pp. 57–61, Feb. 3, 1896.

^{page 319 note 2} See Carpenter, P. H., “‘Challenger’ Report on Stalked Crinoids,” p. 4, 1884.

^{page 319 note 3} “On Uintacrinus” : Proc. Zool. Sue. London, vol. for 1895, p. 997; 1896.

^{page 320 note 1} First proposedinBather, F. A., “Wachsmuth and Springer's Classification, etc.”: Natural Science, xii, p. 341, 05, 1898.

^{page 320 note 2} Carpenter, P. H., “‘Challenger’ Sep. Stalked Crinoids,” p. 76, 1884.

^{page 321 note 1} Proc. Acad. Nat. Sci. Philadelphia, vol. for 1890, pp. 345–392, pls. ix, x. ReviewedinGeol. Mag., Dec. III, Vol. VIII, pp. 219–224, May, 1891.

^{page 321 note 2} “The text-book writer among the echinoderma”: Natural Science, vi, pp. 415–423, June, 1895.

^{page 322 note 1} “Researches on the Structure … of Antcdon rosaceus” : Phil. Tram., 1866, p. 742.

^{page 322 note 2} They have “antero-lateral” (p. 37), but it must be a misprint.

^{page 325 note 1} By E. Billings.

^{page 325 note 2} By F. A. Bather.

^{page 325 note 3} By W. R. Billings.

^{page 325 note 4} See “Royal Natural History,” vol. vi, pp. 296–7; Wame & Co., 1896.

^{page 327 note 1} “The text-book writer among the Echinoderms,” op. cit. antea.

^{page 328 note 1} “N.T. State Cab. Nat. Hist.; Fifteenth Rep., Pl i. Figs. 17 and 18.”

^{page 328 note 2} “N.Y. State Mus. Nat. Hist.; Twenty-eighth Rep., Pl. xvii, Fig. 5.”

^{page 329 note 1} Mémoires … . des Crinoïdes vivants”: Progr. Uniy. Norvège ; Christiania, 1868. See pl. v, figs. 9, 12, 13, 15.