310 J. E. Teschemacher on the 
with the interior edge, black, two last joints of second pair 
black, penult and antepenult joints of the leg of the fourth 
pair dusky, 4. 2. 3. 1. 
bservations. "This is a very distinct species, found hiber- 
nating in silk tubes under bark, making such tubes when con- 
fined. "The male, with cheliceres not enlarged, was found 
agreeing with the above description in the minutest particular. 
This shows beyond any doubt that the species is‘distinct from 
S. formica. 
Habitat. Alabama. December. 
4. SYNEMOSYNA PICATA. 
Plate XXII. Fig. 21. 
Description. Black; legs varied with rufous and black, si 
cond pair black beneath, fourth black except the knee which is 
pale beneath ; palpi pale, basal joint piceous ; feet, 4. 3. 2. 1. 
bservations. This is evidently distinct from the other 
species, particularly by its form. I once enclosed a male and 
a female of this species in a glass tube. They very soon 
formed separate habitations of silk ; but on the third or fourth 
day, the male was dead near the tent of the female, and she 
had made a lenticular white cocoon, containing four eggs 95 
large as those of large Araneides. That female had a white 
streak on each side of the abdomen. 
Habitat. North Carolina, Alabama. 
Arr. XXVIIL. —ON THE FOSSIL VEGETATION OF AMERICA. By 
J 
. E. TESCHEMACHER. 
From the labors recently bestowed on fossil vegetation, and 
the renewed attention it has attracted from men of science, 
it seems highly probable that this department is about to share 
