1886.) ` Proceedings of Scientific Societies. 755 
a fossil plant which seemed in some respects to resemble a cala- 
mite, in others a fern. 
Mr. Holstein stated that in certain cultivated portions of North- 
ern Texas streams which once dried up now run during the year. 
This was referred to the more even absorption of the rainfall con- 
sequent on cultivation. 
Jan. 19.—Dr. Leidy named Mastodon floridanus! from certain 
peculiarities of a last inferior molar, and stated that ina collection 
recently received from Florida were numerous bones of a rhinoc- 
eros, bones apparently indicating three species of llama and an 
ankle bone of a Megatherium. 
Professor Heilprin called attention to fossil shells which indi- 
cate the existence of Claiborne beds in San Augustin county, 
Texas ; also to nummulites from Northern Florida. 
Feb, 23.—Dr. Leidy described the results of caries in the tooth 
of Mastodon floridanus, and also described a huge hog-like animal 
from a fragment of a tusk found with the mastodon teeth. 
Rominger presented for publication a paper upon Stroma- 
topora and its allies, and Mr. Chas. Morris another upon the 
“Phenomena of reversed vision.” ; 
Tur InpranA Acapemy oF SCIENCE held its field meeting at 
Brookville, May 20 and 21. ; 
Thursday evening, May 20, the Academy was welcomed by 
- McKee, President of the Brookville Society of Natural 
History. To this Professor D. S. Jordan, president of the academy, 
z 
people. 
Friday evening, May 21.—Professor D. S. Jordan gave an ad- 
dress on “ Darwin,” which was discussed by Professor D. W. 
, Dennis. Professor Jordan then spoke on “ How to catch fish.” 
Professor Branner gave an account of some methods of collecting 
Corals. Professor P, S. Baker spoke on “The progress of toxi- 
cology.” 
_ The next meeting of the Academy will be held in Indianapolis 
in December, 
‘This form has probably been already described in the NATURALIST for 1884 as a 
variety of M. angustidens —Ed. 
