408 The American Naturalist. [April, 
fore fertilization, in an animal or a plant. (2) New researches on the 
Quaternary flora, especially on peat-mosses. (3) Is there a nucleus 
in Schizophytes? If so, what is its structure and the mode of its divi- 
sion? The author must give a critical résumé of all work hitherto 
published on this subject. Treatises should be written in French or 
Flemish, and sent with motto and sealed name to Chev. Edm. Mar- 
chal, Secretary of the Academy, before August 1, 1895. ' 
Erratum to be made in “ An Abnormal Pes of Columbia livia,” 
by S. D. Judd, “ American NATURALIST” Jan.’95. Plate VI. The 
left of the two upper drawiugs was published by mistake, the right of 
these two drawings should have been labeled “ Fig. 2,” The remain- 
ing skeleton drawing should have been labeled “ Fig. 1.” Ofthe two 
drawings representing feet in toto, the one to the left of the page should 
have been labeled “Fig. 4,” the other “ Fig. 3.” Explanation of 
Figures. For Plate I read Plate VI. For XI read times 1—natural 
size. 
List of Errata in Article, Insanity in Royal Families, 
American Naturalist, February, 1895.—P. 119, lines 14-15, for 
more direct read direr; P. 119, line 25, for jealously read jealousy ; 
P. 119, line 33, for May read Mary; P. 120, line 2, for and read in ; 
P. 120, line 34, for the-read his ; P. 120, line 34, for to, read of ; P. 122, 
line 6, for brother read father; P. 124, line 23, for goes, read exists ; 
P. 129, line 17, leave out comma after at. 
Erratum.—In No. 329, May, 1894, on p. 439, first line, read Otto 
Maasin place of Otto Wass. 
