1877.] Geography and Exploration. 375 
tera (ants and ichneumons) and two-winged flies, a nitidulid beetle, a 
plant-louse, and a dragon fly. 
Brain or Corypnopon. — In the last NATURALIST, page 312, is an 
abstract sent by Professor Cope, which purports to announce important 
discoveries recently made by himself in regard to the brain of Corypho- 
dı eference is made to the brain of Dinoceras (or Uintatherium), 
and a new classification is proposed based on these discoveries. It may 
interest the readers of the NATURALIST to know, first, that the brain- 
case of Coryphodon was described and figured by the writer a year ago 
(American Journal of Science, vol. xi., page 426, May, 1876), and that 
this fact was well known to Professor Cope, although he makes no refer- 
ence toit. Second, the account of the OCoryphodon brain, given by Pro- 
fessor Cope, so far as it differs from my description, is not correct, and 
shows that he has made a most serious mistake in his observations. 
Third, his statements in regard to the brain of Dinoceras are directly 
refuted by a series of well-preserved specimens. Fourth, the classifica- 
tion based on these alleged discoveries is untenable, as the known facts 
are against it. 
I deem it especially necessary to make these corrections, since Pro- 
fessor Cope has recently sent to the NATURALIST several other com- 
munications quite as incorrect as the present abstract. — O. C. Marsu. 
GEOGRAPHY AND EXPLORATION. 
GrocrapnicaLt News. — Herr Barth, the German explorer, survey- 
ing possessions in Africa for the government of Portugal, committ 
suicide in Loando while delirious with fever. Herr Mohr, another 
German explorer of the expedition, searching for the sources of the 
Congo River, is dead. 
After an absence of two years in the interior of Africa, Colonel 
Gordon reached Cairo on his way back to England on the Ist of last 
December. The task assigned him was the opening of a practicable 
commercial highway from that city to the Albert and Victoria lakes. 
Sir Samuel Baker, who preceded him, had been compelled to fight his 
way back from the extreme point reached in the interior of Gondokoro, 
and had left the newly explored country in a disturbed state. Colonel 
Gordon has succeeded in pacifying the hostile tribes, and has established 
a line of posts, fifty to one hundred miles apart, from Khartoum to 
Gondokoro, and thence to the Albert Lake. The communication was so 
far perfected that English papers were received with tolerable regularity 
m seven weeks from their date of publication, 
Four maps of the Nile from sketch surveys of General Gordon have 
been published in the third number of the Bulletin of the Egyptian 
Geographical Society. These are reproduced on a reduced scale and on 
a single sheet in Markham’s Geographical Magazine for March, Mr. 
- G. Ravenstein announces in the same magazine that he has received 
