370 General Notes. [April 
the Lebanon Limestone and other Lower Cretaceous beds are 
nearly vertical and in contact with horizontal Upper Cretaceous 
beds. Dr. Diener throws some doubt on the former existence 
of glaciers in the district because he cannot find glacial stria- 
tions. 
Professor Owen recently read before the Geological Society of 
London a paper upon Galesaurus planiceps Owen. The characters 
of the skull and teeth have been brought to light. The reptilian 
nature of the fossil is indicated by the single occipital condyle 
and other features. The angle of the jaw is not produced beyond 
the articular element. In general shape and bony strength the 
mandible of Galesaurus resembles that of amammal. The crowns 
of four upper molars are triangular, the base is flanked by a short 
cusp before and behind, and the corresponding margins are finely 
crenulate. The incisors are eight in each jaw and partially inter- 
lock. The canines resemble those of a mammal. No trace of 
successional teeth was found. The teeth are implanted firmly in 
sockets. The author remarked on the earlier reptilian character 
exhibited by the oolitic mammal Amphitherium and by the ex- 
isting Myrmecobius. The specimens are from the Triassic of 
South Africa. 
The Triassic age of the Hawkesbury sandstone formation, 
New South Wales, has been proved by the discovery of a Mas- 
todonsaurus. i 
CæÆxozoic..—Among some fossils from Wadi Halfa, Nubia, is 
an upper right-cheek tooth of an Equus of Pliocene type, allied 
to the group containing Æ. sivalensis. 
P OcENE.—The Naulette jaw found in a cavern near Di- 
nant (Belgium) is remarkable for its excessive prognathism. The 
study of it has led M. Topinard to conclude that in the age of 
the mammoth and tichorhine rhinoceros there were numerous 
paee human races, to one of the lowest of which this jaw be- 
sand shells belonging to one hundred and seventy-one species, 
