430 Lisboa — Permian Geology of Northern Brazil. 



This explains the unsuccessful attempt to find dicotyledonous 

 fossil woods in this locality. And it proves that conifers 

 occur with Psaronius in the Permian. The occurrence of 

 these gymnOsperms with dicotyledonous woods in the north of 

 Brazil must be considered as a geological accident due to 

 recent transportation. 



Cryptogams. 



(o) At Codo in Maranhao conifers were found on fazenda 

 Uniao after my visit and in compliance with my request. 



Psaronius. Beautifully preserved specimens of Psaronius 

 were collected by me in Maranhao and Piauhy, and by Mr. 

 Baumann in Goyaz and also in Maranhao near the Tocantins. 



We collected specimens from the following places : 



(a) Chapada do Jaboti, in Maranhao, near the Parnahyba, 

 between Nova- York and Floriano. 



(o) In the " grota do Mendes " not far from the above 

 locality. They are there associated with conifers. 



(c) In the bed of the Poty river a little above its mouth, at 

 the road leading from Therezina to Campo Maior. 



(d) In the streets and public squares of Therezina. 



(e) In Livramento near Campo-Maior about 56 kilometers 

 northeast of Therezina. 



(f) In the neighborhood of the village of the Crahos 

 Indians, on the divide between the Manoel Alves Grande and 

 Manoel Alves Pequeno rivers, in Goyaz. 



(g) On the fazenda of Burytisal, west of the Tocantins, 

 seventeen kilometers from Porto Nacional in the central part 

 of Goyaz. 



(k) Near Carolina on the Tocantins in the state of Maran- 

 hao. 



Still other localities with Psaronius were noted by me, or 

 by the inhabitants of the regions visited, but in none of these 

 was it possible to determine the stratigraphic conditions under 

 which the fossils occur. 



(i) In Carnauba de Pedra, forty-eight kilometers from 

 Flores, which is on the bank of the Parnahyba opposite There- 

 zina. 



(j) Along the Cajaseiras line, not far from Flores, silicifi- 

 cations characteristic of Permian beds seem to occur together 

 with plant remains which I judge to be the central woody part 

 of a Psaronius. The occurrence of Psaronius in the region 

 explored is not only very common, as is shown by the dis- 

 coveries made, but is also generally known to the inhabitants, 

 who readily distinguish the Psaronius from the phanerogams 

 which are of common occurrence to the northeast. " Carnau- 

 beira petrijicada" (petrified palm) is the ordinary name given 



