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M EXPEDITION TO BRAZIL 
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Doris M* Cochran 
On January 5, 1935, I sailed 
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h-W- 
.K-T^r 
Still at the invitation of Dr 
Adolpho Lutz, to study the frogs of Southeastern Brazil in field and 
and to collaborate with Dr, Lutz in a paper on the Ifylidae. 
The first several weeks of my stay in Rio de Janeiro were spent mostly 
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at the Institute Oswaldo Cruz, gi which Dr, Lutz, has long been* an important con- 
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nection, studydjig. the preserved frogs and taking notes of Dr, Lutz’ long observe- 
tions on their life histories^^Many short field trips were made into the mountains 
surrounding the city of Rio de Janeiro, as well as some longer ones to Petropolis, 
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the summer capital of the emperors, in the Organ Mountains, f important 
«as obtained. 
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materiel w.as 
For thr e e weeks in March collections were made in the state ""of Min<Ci^ Ssxk 
Geraes with the assistance of Dr* Lutz* trained laboratory servant, Joaquim 
Venancio, who islespecially adept at locating frogs in neWmUnexplored places and 
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in catching them. Dr* and Mrs. Emmanuel Dias added much to the 
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success of th^ expedition ^ tlieir -heipfiul knowledge of the country* Much collect’ 
ing was done in and near Bello Horizonte, the city in which the naturalist Lund 
lived and wrote of Brazilian fauna*^ i^^^excursion to Ouro Preto of-^two days yield- 
ed a good series of frogs# 
A 
er leaving Bello Horizonte, the party proceeded to 
Lassanoe,^a little railroad town 600 miles north of Rio de Janeiro, at which place 
the Institute Oswaldo Cruz has a branch. An attempt was made to visit the type 
localities from which Dr* Lutz had formerly described new species* The last lap 
of the Minas trip extended north to Pirapora, on the Rio Sao Francisco, where the 
collecting of frogs and fishes proved to be better than anjrwhere else* New genera 
and species of fish were taken from the river here, as this watershed had not 
