134 Scientific Intelligence, 
valuable herbarium of Kunze, his predecessor at Leipzie, and has been 
intrusted with numerous collections from various idl baria, Bg 0 the 
original specimens of various authors, as Swartz, Desvau resl, dc, 
ed many of the Ferns pa Ro by Wilkes Explor: 
ing Expedition, so that he will be able to identify in his future works 
the species described by Brackenridge in the report on the Ferns xf ae 
Expedition. 
17. Filices Horti Botanici Lipsiensis ; G. Metrentvs. ss 1856, 
fol. pp. 135, tab. 30.—In this work, which preceded those above-mentioned, 
Professor Mettenius has had an opportunity of applying his principles of 
classification to the whole class of Vascular Cryptogamia. Phegopteris, 
though without an indusium, is retained as a genus among the Aspidiee 
because the stipe is cecmetie with the rhizoma, and not articulated as 
» in Polypodiew, and because the habit, which has nothing in common with 
Polypodium so closely oir mbles that. of many Aspidia, that botanists 
are popenes making interchanges petneon the two genera, as the 
tichece of course give Professor Mettenius some trouble, “and it is 
doubtful if he can a limit them to the five genera recognized i in 
_ The book is beautifully printed, and the plates are of seattial wick: 
sad distinctness. 
LoeicaL Notices 
had observed creeping among, ye re leaves in his a n, and i 
he called “ground leeches.” One ese we fortunately secured, which 
was found upon examination to the ing characters. The — 
body was linear, nearly two feet in length when a, exten and 
scarcely more than an eighth of an inch in breadth surface was 
slimy, ‘like that of a slug, and of a greyish color, oP gn va or three 
longitudinal black stripes above. The head was as lunate, transverse to the 
, With the convexity in front, and the auricles projecting Saas» to 
distance equalling about half the width of the _ Upon the ae 
sates of the head, were scattered some minute black specks, which 
——— imperfect eyes (ocelli). On the inferior surface of the 
there were two small apertures in the median line, the sem 
which, at the middle of the body, was the mouth. 
HE 
