94 THE NAUTILUS. 
having examined some of them, and their development, the writer 
is not prepared, as yet, to speak in a general way about them. 
New Philadelphia, Ohio, Nov., 1895. 
NOTES AND NEWS. 
New Recorps or ReveERsED AMERICAN Heticrs.—I have my- 
self found three reversed Helices. First, reversed thyroides. This 
specimen I sent to the late John G. Anthony for the Cambridge 
Collection. Second, reversed multilineata. This also I sent to 
Anthony. I now have another reversed thyroides in my collection. 
I also know of a third one, collected near Cincinnati, by the late 
Mr. Stannage, and also of a reversed mitchelliana collected by Prof, 
F. W. Bryant near Cincianati. 
This makes a list of six reversed specimens of Mesodon, which I 
have seen. Dr. Lewis had a reversed albolabris in his collection. 
This does not indicate that Patu/a has much the start. 
—A.G. WerHersy, Magnetic City, N. C. 
VITRINA LIMPIDA IN WESTERN PENNSYLVANIA.—The last time 
I saw you I promised to send you some living Vitrina limpida Gld. 
if my “colony” had not died out, so I send you a dozen and trust 
they will reach you in good shape. 
Last year I only found 12 alive, so feared the “ colony ” had died 
out, and, up to to-day, had not found a single specimen this year. 
It has been exceedingly dry this season, the deficit in rain-fall being 
nearly 11 inches up to November 1, but yesterday we had a steady, 
soaking rain; so to-day I started out for Vitrina and collected 95 
in two hours, so you see, the “ colony ” is still flourishing in spite of 
the drought, and burning off the “drift” under which they lived. 
I think I told you that this “ colony” came down the river in the 
flood of February, 1891, as that was the time the drift lodged in the 
hollow where they are found, and the Signal Service records show 
that the ’91 flood came from the headwaters of the Allegheny. This 
is a good example of “ dispersal by water,” and one that has prac- 
tically been proved. 
To-day was cold and raw, with slight snow-spits (Signal Service 
record for November 10 show maximum temperature 39° F., mini- 
mum 86° F.),so V. limpida has the same habits as its European 
