. The Deseado formation of Patagonia . Fig, iju. Proximalphalanx of Physornissp?—naturul Fig. i5i. Loxurnisclivus, lower end oftibio-tarsus, after Ame-gliino natural size. Loxornis Ameghino Loxorrris Amegh., 1895, Bol. Inst. Ck-og. Argen., t. 15, p. 595. Another group of bones, which we found with consider-able frequency, have the same features as Pelecyoniis ofthe Santa Cruz. Ameghino has described but the lowerend of a tibio-tarsus which can be associated with thesebones and to it gave the name Loxornis. 1 can not find 229 much variation from Pelecyornis except that the corac
. The Deseado formation of Patagonia . Fig, iju. Proximalphalanx of Physornissp?—naturul Fig. i5i. Loxurnisclivus, lower end oftibio-tarsus, after Ame-gliino natural size. Loxornis Ameghino Loxorrris Amegh., 1895, Bol. Inst. Ck-og. Argen., t. 15, p. 595. Another group of bones, which we found with consider-able frequency, have the same features as Pelecyoniis ofthe Santa Cruz. Ameghino has described but the lowerend of a tibio-tarsus which can be associated with thesebones and to it gave the name Loxornis. 1 can not find 229 much variation from Pelecyornis except that the coracoidis considerably shorter and wider, and there is a sHghtvariation in the lower end of the tibio-tarsus. These thenare the bases of the generic name. Loxornis clivus Ameghino L. cllviis Amegh., 1895, Bol. Inst. Geog. Argen., t. 15, p. 595. Under this name Ameghino has described the lower endof a tibio-tarsus, a figure of which I reproduce here. Thisis of a size to complete the tibio-tarsus which we found,lacking the lower end, and agrees in size with the other
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