Mineralogy and Geology. 393 
3. Ornithopsis, a gigantic animal of the Pterodactyle kind from 
the Wealden ; by H. G. Seevey (Ann. Mag. N.H., IV, v, 279),.— 
part of the neck, and the other from the back; and when perfect 
the former, from the back to the front of the centrum, could 
“scarcely have meastired less than ten inches.” “Seven such ver- 
tebre would have made the neck 4 to 5 feet long, and the animal 
two or three times as ig e vertebre are constructed after 
“the lightest and airiest plan” peculiar to Pterodactyls and birds; 
they have pneum foramina as 1 and these 
foot-prints of the Wealden, described by Mr. Beccles and Mr. 
Tyler, may have been its tracks. The author closes his paper 
with naming the species Ornithopsis Hulkei, after Dr. Hulke. 
4. Voleanie action on it; 
Trrus Coan to Prof. Chester S. Lyman, dated Jan. 24, 1870,— 
“Our voleanie craters have not made great demonstrations of 
late, and yet are not quiet. Slight shocks of earthqua 
or in a ring the 
first two weeks of the present month a good deal of steam and 
smoke arose from Mokuaweoweo, the summit crater of Mauna 
Loa. In Kilauea the action is fitful. Occasionally the fires rage 
Savan, have made two visits there within the They 
Iso rode on mules, in company with Judge Hitchcock of Hilo, to 
the terminal crater of Mauna Loa, and looked into Mokuaweoweo, 
ere was no fire seen, but much steam. These gentlemen took a 
own. A cattle ranch has been established at Kapapala, and a 
milk and butter station is situa mile higher up the f 
the mountain. From this upper station the cattle have found 
their way nearly to the summit, and the herdsmen in search of 
them have found that mules could reach Wilkes’s camp without 
ificulty. Starting from Kapapala as a ‘base of supplies, Las 
ean go nearly to the summit the first day. On the second day you 
