1895.) Botany. 1093 
Length of diastema, . : ‘ ‘ i ; i 54 
Greatest length or ramus, . i : ‘ j : 173 
Distance from top of coronoid process to bottom of jaw, 56 
Depth of jaw below sectorial, ‘ : ‘ à 33 
Width of jaw below sectorial, i ; ` i ; 16 
Distance from bottom of flange to incisive alveolar 
border, . ; ‘ ‘ ‘ ‘ ‘ F : 89 
Depth of symphisis, . : : : ‘ : : 71 
Length of symphisis superiorly, . : i : ‘ 27 
Length of symphisis inferiorly, . ; i i i 21 
Length of symphisis medially, : i : 10 
—J. B. HATCHER. 
Princeton, Nov. 1, 1895. l 
BOTANY.: 
The Vienna Propositions.—-In the January number of the 
Oesterreichische Botanische Zeitschrift Ascherson and Engler publish 
six propositions embodying their views upon nomenclature, accompa- 
nied by an explanation of the work of the international committee 
appointed by the Genoa Congress. The propositions themselves have 
been published quite extensively, but their explanation has not re- 
ceived much notice in this country. The explanation is of some inter- 
est to American botanists because it evidently furnished a part at least 
of the inspiration and even of the language of the recent “ protest” of 
certain botanists against the Rochester Rules. It is also interesting as 
showing that the committee appointed by the Genoa Congress has prac- 
tically dwindled down to Ascherson and Engler. 
Following is a translation of the “explanation” and of the six 
propositions. 
“ Following the appearance of O. Kuntze’s Revisio Generum Plan- 
tarum in the spring of 1891, a deep movement made itself visible 
among botanical systematists of all lands. In Germany it led to the 
inquiry set on foot hy the Berlin botanists, in the course of which the 
four theses sent to over 700 colleagues were answered, for the most part 
favorably, by more than half of the addressees; by the Scandinavian 
1 Edited by Prof. C. E. Bessey, University of Nebraska, Lincoln, Nebraska. 
