704 General Notes. [ November, 
most northern locality first discovered. Neither larve nor adults 
differed in any way from those found earlier in the year.— Fohn 
A. Ryder. 
A PROBABLE NEW SPECIES OF PHYTOPTUS oR GALL-MITE.— Prof. 
Wm. Barbeck recently handed me a slide containing specimens 
of a very small mite found by him on the leaves of a maple. 
Upon examining the slide carefully with a power of 550 diameters, 
I was enabled to make a pretty fair camera sketch, which I have 
compared with all of the figures of the other species to which I 
had access, and I am led to infer therefrom that it is a new spe- 
cies, but shall not name it on account of the fact that those 
hitherto known and described, have, for the 
most part, been very poorly characterized. 
The accompanying figure of this creature 
will give a good idea of its appearance. It 
measures not quite the ;}, of an inch in 
length, and is almost perfectly transparent. 
It is found in vast numbers on the leaves 
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belonging to a very singular family known 
since the time of Dujardin as Phytoptide. 
nce of — 
~ the homoplasy spoken of by E. Ray Lankester. That 1s, peel ot 
become similar in structure through the prolonged influence cd : 
