Sd id 
of the stem features of Psaronius brasiliensis (this Journal, 
Nov. 1913) several vascular strands are represented as ri- 
sing from the plane of the lowest cross section at hand, 
into the higher lyng portions of the stem in the case of 
fig. 2. and into the air in that of fig. 3. The latter figure 
suggests the idea that when in te living plant the top of 
the stem stood at this level, allits vascular strands here pas- 
sed, in a similar manner, from the stem into the members of 
the crown, standing free in the air, that they supplied...» 
ANALES DEL Museo NaACIONAL DE Historia NATURAL DE 
Buenos Aires. — Tomo XXVIII. 
Franz Kuehn: El Arco de las Antillas Australes. — p. 
391-407. 
A. Windhausen : The Problem of the Cretaceous-tertiary 
boundary in South-America ad the stratigraphic position of 
the San Jorge-formation in Patagoria. (em: The American 
Journal of Science. vol. XLIV. January, 1918). «... Onthe 
other hand, the stratigraphy of the marine sediments covering 
the border of the Brazilian Shield over a large tract between 
the mouth of the Amazon River and Sergipe, is not yet en- 
tirely clear. The fauna of Pirabas ( Pará) is said to con- 
tain both Cretaceous and Tertiary elements; but according 
to J. C. Branner the oil-bearing shales with dioroms and 
the freshwater-deposits in the Bahia basin and more north- 
ward, may be considered as of Eocene age. » (p.2) «... The 
hiatus at the Cretaccous-Tertiary boundary corresponds to 
the first phase of the Andine orogenetic movements. These 
movements in the epirogenetic seuse caused the breaking 
down of the Brazilo-Ethiopian Continent, the formation of | 
the South Atlantis basin and the posthumous reopening of 
the grabenlike depression between the Patagonian continental 
platform, and the structural elements of Central and Nor- 
thern Argentina...» (p. 50). 
ANTHROPOLOGIA 
ANALES DEL Musso NacronaL DE Historia NATURAL 
DE Buenos Arres. — Tomo XXVII, 1915. 
Outes, Felix F.— La gruta sepulcral de Cerrito de las 
Calaveras. Con un examen anátomo-patólogico, por Angel 
H. Roffo. Com 7 laminas. 
« El naturalista viajero del Museo Nacional de Histo- 
ria Natural de Buenos Aires, professor don Martin Doello- 
Jurado, en el curso de las investigaciones zoologicas que 
acaba de llevar a cabo en el litoral maritimo proximo a 
Puerto Madryn ( gebernación del Chubut ), ha tenido la for- 
tuna de verificar. ocasionalmente, diversos hallazgos antro- 

