74 Scientific Intelligence. 
to the bed of the deep ocean; but the ocean’s bottom is still to 4 
great extent an unknown region, and much more investigation 
will be required before the facts connected with the inland waters 
labors has given increased interest to these investigations. 
C. 
A second species of the peculiar genus of Cretaceous birds, with 
biconcave vertebre (Ichthyornis), was found by the writer during 
a recent visit to Western Kansas. e remains indicate a bird 
uP 
species Sia be called Ichthyornis celer, and the group of birds 
now represented by the two species may be named Jchthyornide. 
Yale College, Dec. 16th, 1872. 
10. Recherche de la Rapidité de Croissance des Banes de Corauxz 
dans V Ocean Pacifique; Expérience fuite a Vile de Taiti, en Novem- 
bre, 1869; par MM. F. Le Cri ieutenant de vaisseau, et 
Dunit pr Binazt, Ingenieur des constructions navales, pp. 22, 
8vo. Paris, 1872. (Adolphe Lainé, rue des Saints-Péres, 19).— 
Hence, they draw no conclusion from their results. Before leay- 
ing the region, they made the following arrangements with refer- 
ence to future measurements. They planted two blocks of coral, 
cementing them below and nearly burying them in the soil, plac- 
ing them 0°21 meters above the Wilkes stone which is between 
o new stones N. 77 s 
third stone N. 70° 55’ E.; from the bell of the new mission church 
S. 81° 40’ E. <A horizontal line passing from the mark on the new 
stone is 7-460" above the madreporic heads. This observation 
they leave for comparison with future measurements. They ° 
Maps accompany the pamphlet; one is copied from kes ; the 
other is from a chart by MM. Le Clere 5 Minier, lieutenants of 
