THE OOLOGIST. 



189 



and Canada and first vice-president of 

 the museum. The expedition to the 

 Washakie Basin, in Southern Wyo- 

 ming, was in charge of Professor Wal- 

 ter Granger; to the Laramie forma- 

 tion in Eastern Central Montana, in 

 charge of Professor Barnum Brown; 

 to the Black Hills, in charge of Pro- 

 fessor Albert Thompson. 



Professor Brown said: "We got a 

 skeleton of the claosaur, or spoonbill 

 dinosaur, except the limbs, and 

 enough parts of other skeletons to re- 

 store the animal complete as in life. 

 Heretofore, the femur was lacking 

 and scientists can now have their first 

 complete view of it. We also found a 

 very complete skull of a crocodile new 

 to science. We obtained parts of skel- 

 etons of ornithominus, a small, bird- 

 like dinosaur." 



LARGEST OF MAMMALS. 



Professor Walter Granger said: 

 "We found the skeleton of the largest 

 mammal living at the time, and for 

 which we made careful search. This 

 huge mammal was known as loxolo- 

 phodon, a mixture of elephant and rhi- 

 noceros. It had six horns — two enor- 

 mous ones in the back of the skull, 

 two smaller ones over the eyes and 

 two rudimentary horns on the tip of 

 the nose. We obtained an interesting 

 lot of the skeletons of the titanother- 

 es, a smaller animal than the last; nu- 

 merous specimens of carnivores, in- 

 cluding the largest of the times, the 

 mesonyx; many rodents, or squirrel- 

 like mammals; some of the earlier 

 camel-like, even-toed, hoofed mam- 

 mals; an achendon, one of the very 

 large, even-toed animals, with pig-like 

 teeth and feet, and an early primate 

 like the lemurs, notharctus. In all 

 we obtained 100 species in the Washa- 

 kie Basin, 100 in the Bridges Basin 

 and 40 in the Wasatch Basin." 



Professor W. K. Gregory summar- 

 ized the results of the Thompson ex- 

 pedition as follows: "We operated on 

 the great rim of the Miocene expos- 

 ures in the Black Hills, obtaining sev- 

 en big cases of bones of more than 

 150 species. We found the two-pair 

 toed animals dominant. The most 

 dominant was the merycochoerus, 

 with ruminating teeth, like the ante- 

 lope, and feet like a pig, animals 

 about the size of sheep. We got 

 skeletons of ancestral primitive hor- 

 ses, camels, of all sizes, harmless rhi- 

 noceroses, several carnivorous ani- 



mals, dogs, saber-toothed tigers, wea- 

 sel-like rodents and very many tur- 

 tles. The evidence all showed that 

 the two-toed animals, in a way a mod- 

 ern fauna, had crowded out the three- 

 toed animals of the older orders in the 

 struggle for existence and the survi- 

 val of the fittest." 



EDITORIAL. 



While collecting birds' eggs last 

 summer, I found a nest about one- 

 half of a foot from the ground in a 

 small shrub — a small nest and looked 

 much like that of an Oriole, but much 

 smaller. The bird was about the size 

 of a House Wren and the same color 

 on the back, but a light cream color 

 on the breast. The egg is about the 

 size of a Phoebe, five in number. It 

 is white with small specks of brown 

 around the large end. Could you tell 

 me what the name of this bird is? 

 Yours truly, 



CLARENCE HOARD. 



Ans. Probably a low nest of white- 

 eyed vireo. — Ed. 



Is the Loggerhead Shrike found as 

 far west as Hennepin county, Minn., 

 or does the sub-species, White-rump, 

 occur? Please let me know. Thanking 

 you in advance. R. F. M. 



Ans. This matter of a dividing line 

 between these two species is 

 somewhat arbitrary, as the 



forms mix to some extent along their 

 border line. For our convenience we 

 draw a line from Southern Connec- 

 ticut westerly through Southern New 

 York, Northwestern Pennsylvania, 

 Northern Ohio, straight across to the 

 Rockies. 



Hennepin County, Minn., would be 

 White-rumped without question. The 

 forms unquestionably intergrade in 

 Southern New York, Northern Penn- 

 sylvania, Ohio, Indiana, Illinois, Iowa 

 and Nebraska. — Ed. 



"Condor," Vol. VIII, No. 6, at hand. 

 Good as usual. Brother Grinnell re- 

 plies to Prof. Montgomery on "Egg 

 Collecting" in a spirited manner. 



He has echoed many of our 

 thoughts and presented some new 

 ideas in happy form. 



The Finley-Bohlman article (illus- 

 trated), on California Condor is "out- 

 of-sight." 



