Very soon, more snails are found, but inch long, with a longer spire than any 
they are not like the ones in the bar- Succinea, and an oval mouth — this is 
rel. In the first place, they do not Limnaea truncatula, a kind of water- 
live in the water, and then they have snail. If we had it alive and com- 
% their mouths tmoed to the right, and pared it with Succinea, we should see 
altogether opener and with a smaller that the tentacles are broad and flaN 
spire (as the upper part of the shell is tened, whereas in Succinea (of which 
called) than our water-snails. Besides, we have found living specimens) they 
they are pale horn color, and not so are long and cilindrical, and bear eyes 
large, and notice particularly, that at their extremities-. In the refuse we 
the animal cannot retire quite into its have also found three small snails 
shell and out of sight, however that are flat, and two that are long 
much it would like to do so, on see and cylindrical, though very minute, 
ing that you are so rudely staring at and two other little things that- are 
it. Minding these characteristics, we actually shaped like clams, having two 
are able to tell its name. It is Succi- valves joined together at the hinge — 
nea pfeifferi; called Succinea because if we are fortunate enough to find 
it is semi-transparent like amber, and some in which the valves have not al- 
pfeifferi after a celebrated European ready been broken apart. These lit- 
Conchologist, Pfeiffer, who wrote a tie bivalyes lived in the creek, no 
great book on snails. doubt. They belong to the genus 
Having obtained specimens of both Pisidium, and are much alike, only 
Physa and Succinea, we walk down that one of them, Pisidium pusillum. 
Grape creek, until we come to where is round oval, while the other P. var- 
the Ula road crosses it. This does iabile, inclines to be triangular, 
not look a promising place for snails, Now we must look at the land-snails, 
but here is some refuse thrown up by Three kinds are flat, and the largest 
the creek, little bits of stick, and all is only about a quarter of an iiTch a- 
sorts of odds and ends; we will exam- cross. This larger kind is blackish 
ine it. Very soon we find some»shells, and dull, if examined with a lens it is 
empty of their inhabitants, and not in seen to be covered with fine transverse 
very good condition, but still recog- striations, quite ornamenting its dull 
nisable. Here is Succinea pfeifferi, surface. It is the little striated snail, 
that we have already found, and here Patula striatella, The next in size is 
another shell, something like it, but brown and polished, and thus : w.e know 
darker in color, and with the spire its genus, for these little polished 
larger in proportion — this is called species are called Hyalina. We ex- 
Succinea avara. Then we have an- amine it carefully, and find very many 
other dark colored shell, not half an fine rays or striations striking out from 
