312 The American Naturalist. [March, 
whole number of Species collected, 16. He then noticed the general 
characteristics to be: rigid stems, thick leaves, deeply-seated veins, 
fronds either very hairy, chappy, granulated, or with very thick epi- 
dermis. All of which characteristics were taken as being simply differ-. 
ent vaat of protecting themselves from the intense dryness of the 
aris 3) “ Notes on the Mound Builders,” by Professor J. P. Owen, 
was a paper concerning what is known of that ancient race. The pro- 
fessor showed, in several different ways, the difference between this race 
and the North American Indian found in possession of this continent 
at its discovery. He told of the migrations of this pre-historic race 
from the south and west to the central:and northern states, and their 
probable return to the sections from whence they came. He led us to 
believe that these ancient peoples might have been connected with our 
Pueblo Indians, and were connected with the Aztec tribes of Mexico. ' 
International Congress of Zoology.—The second meeting was 
held at Moscow, August, 1892. The fellowing papers were read :— 
General Questions Concerning Biology: Reply to questions proposed 
by Professor L. Cosmovici: 1. On a definite division of the animal 
kingdom into “ phyla.” 2. Natural basis of a system of the type of 
worms. 3. Uniformity in the terminology of the secretory organs of ' 
worms, J. von Kennel.—Observations on some points in Zoological 
Nomenclature, Ch. Girard.—On the importation and hybridization of : 
reptiles and amphibians, J. de Bedriaga. 
Special questions Concerning Biology :—Note on Parapaguris pilo- 
simanus, a Pagurid from the abyss of the Atlantic Ocean, A. Milne 
Edwards and E. L. Bouvier—Note on the fauna of the Black Sea, P. 
N. Bontchinsky.—On a fresh-water Thuricola, F. Vejdovsk y.—Essay 
on the Classification of Animal variations according to their causes, A. 
Brandt.—The fauna of the eastern part of the Baltic Sea, and the 
problems for the next investigations in that fauna, Gr. Kojevnikov.— 
Geographical Distribution of the carnivora, Ch. Grévée.—The 
European and Circum-Mediterranean vipers, J. de Bedriaga.— Chal- 
cides symonyi Steind., and Molge luschiani Steind., J. de Bedriaga.— 
Notes on the nests of insects made of clay, H. von Ihéring—The 
Cetaceans of the Black Sea, living and fossil, J. van Beneden.—On 
the geographical distribution of the Cladocera, T. Richard—On the 
Monodontophrya, a new species of the Opalinide, Fr. Vejdovsky. 
Histology and Embryology :—Contributions to the theory of the 
pgs 
mesoderm and of metamerism, N. Cholodovski—Note on the forma- . — 
