1879.] 305 [Hagen. 
width, leading from the southern side, and opening on the edge of 
the mound formed by covering the chamber and passage-way with 
earth. The walls of the chambered passages were about two feet, 
thick, vertical, and well made of stones which were evenly laid with- 
out clay or mortar of any kind. The top of one of the chambers had 
a covering of large flat rocks, but the others seem to have been 
closed over with wood. The chambers were filled with clay which 
had been burnt, and appeared as if it had fallen in from above. 
The inside walls of the chambers also showed signs of fire. Under 
the burnt clay, in each chamber, were found the remains of several 
human skeletons, all of which had been burnt to such an extent as 
to leave but small fragments of the bones, which were mixed with 
the ashes and charcoal. Mr. Curtiss thought that in one chamber 
he found the remains of five skeletons and in another thirteen. 
With these skeletons there were a few flint implements and minute 
fragments of vessels of clay. 
A large mound near the chambered mounds was also opened, but 
in this no chambers were found. Neither had the bodies been burnt. 
This mound proved remarkably rich in large flint implements and 
also contained well made pottery and a peculiar “ gorget” of red 
stone. The connection of the people who placed the ashes of their 
dead in the stone chambers with those who buried their dead in the 
earth mounds is of course yet to be determined. 
A letter from Dr, Harrison Allen, of Philadelphia, Pa., 
acknowledging his election as Corresponding Member was 
read, 
Section of Entomology. October 22, 1879. 
Mr. 8. H. Scudder in the chair. Hight persons present. 
The following paper was read: 
A New SPECIES OF SIMULIUM WITH A REMARKABLE NYMPHA 
Case. By H. A. HAGeEn. 
The species belonging to the dipterous genus Simulium are famous 
for their injurious habits. Some of them, the fly from Columbatz 
and the African tsetse, have been well known long ago as terrible 
cattle pests. ‘The fauna of the United States contains a small num- 
PROCEEDINGS B.S. N. H. VOL. XX. 20 JANUARY, 1880. 
