238 The Taconic Question Restated. [March 
— Kern u: Zelltheilung bei Bildung d. Pollen,” etc.; “ Kerntheilung in 
Senay (Sitst. Wien., 1882) ; “ Zur Lehre von d. Continuität des Protoplasm” 
(Zéid., 1884). 
Tor6K.—* Ueber die Rolle der Dotterplatchen beim Aufbau d. Gewebe,” 1874. 
TREUB.—* Quelques recherches sur le rôle du noyau dans la division des cellules 
végétaux” (Akad. v. Wetenschap. Amsterdam, xix., 1879). 
TSCHISTIAKOFF.—‘ Beitr. z. Physiologie d. Doede (Bot. Zeitung, xxxiii., 
1875). 
Uskorr.—* Zur Bedeutung der brons (A. m. A., xxi., 1882). 
VALETTE.—“ Ueber d. Keimfleck u. die Deutung d. Eitheile”’ oi m. A., ii., 1866). 
VINES.—Article “ Repraditon” (regetebie)s in Encyc, Brit. 
WALDEYER.—“ Eierstock und 1870. 
ETY —“ Ueb. yas u. Entwickl. d. Embryos bei Gasteropoden” (Bul. Soc. 
Imp. d. Naturalistes Moscou, xxiii., 1850). 
WEIL.—“ Ueber d. ina. Entwickl. d. Kaninchen Eies ;’’ see Hoffmann and 
Schwalbe 
WitissmaNn. —“ Beitr. z. Kennt. d. ersten Entwickl. Vorgang im Insecten Ei.” Ronn, 
1882. 
WHITMANN.—* ee of Clepsine” (Q. F M. S., xviii., 1878). 
WIELOWIEJsKI.—* Das Keimblaschen Stadium d. Gesce Kern” (Anzeiger, Vii., 
188 
5)- 
ZACHARIAS.—* Ueber Eiweiss, Nuclein u. Plastin” (Bot. Zeits., 1884). 
ZALEWSKI.—“ Ueber Theilung d. Pollenmutter Zellen bei tiaa" (Kosmos, 1881). 
ZELLER.—Obs. on Opalina (Z. w. Z., xxxix., 1883). 
NoTE.—The substance of what has been published under the head of Significance 
of Sex was Goit delivered as part of a series of lectures in the spring of 1886, 
from random notes. In preparing the article for publication I have added historical 
matter and the latest literature, but the plates having been first prepared, do not con- 
tain, as they otherwise would, some of the instructive figures which accompanied this 
later literature. 
Jouns Hopxins UNIveErsity, March, 1887. 
THE TACONIC QUESTION RESTATED. 
BY T. STERRY HUNT. 
(Continued from page 125.) 
$ 15. WE have said above that Emmons, in his “ Agriculture 
of New York,” published in 1846, referred the upper portion of 
his Taconic to the horizon of the Calciferous Sand-rock. Iti is, 
however, important to note that in Chapter V., there devoted to 
-the account of the “Taconic System,” and previously printed 
‘separately in 1844, two years earlier, he still adhered to the 
