624 PROCEEDINGS OF THE ACADEMY OF [DeC, 



Carnaubinha, near head of Natal estuary. 



Jaeoeo, 7 kilometers from Ceara-Mirim. 



Limoeira, near western line of State of Rio Grande do Norte. 



Mossoro, near eastern line of State of Ceara. 



Ceara, Lat. 3° S., Long. 38° 30' W. 



Maranguape Mountain, about 20 kilometers southwest of Ceara. 



Mongiiba, Ceavd & Baturite R. R., 27 kilometers from Ceara. 



Baturite, Ceara & Baturite R. R., 100 kilometers from Ceara. 



Quixada, Ceara & Baturite R. R., 187 kilometers from Ceara. Pres- 

 ent terminus of railroad. 



Serra de Ibiapaba, State of Ceara. 



Serra de Baturite, near Baturite. 



Camocim, on coast west of Ceara. 



Para, Lat. 1° 35' S., Long. 48° 25' W. 



Island of Mexiana, on Equator, Long. 49° 30' W. 



Maranhao, Lat. 2° 30' S., Long. 44° W. 



Rio Jary, flows into Amazon from the North at a point in Lat. 1° 5' 

 S., Long. 51° 40' W. 



Parana de Almeirim, north bank of Amazon above Rio Jar^'. 



Arumanduba, Campos country in the same district. 



Baiao, Rio Tocantins, Lat. 2° 40' S., Long. 49° 30' W. 



Serra do Erere, Igarape Pucu, near Monte Alegre and the Igarape 

 Paituna are in the same general district at Lat. 2° S., Long. 

 54° W. 



Rio Jamauchim. Lat. 5° 30' S., Long. 54° 15' W. 



Tucunare, Rio Jamauchim, Lat. 4° 30' S., Long. 55° 50' W. 



Rio Iriri, Lat. 4° 5' S., Long. 54° W. 



Rio Curuc4, left side Rio Iriri, Lat. 6° 40' S., Long. 54° 20' W. 



Rio Tapajoz, Lat. 4° 30' S., Long. 55° 50' W. 



Boim e Pinhel, Lat. 2° 55' S., Long. 55° 10' W. 



Ilha de Govana, Lat. 4° 30' S., Long. 55° 50' W. 



Rio Maccuru, Lat. 1° 30' S., Long. 54° W. 



Rio Nhamunda, Fazenda Paraiso, near Faro, Lat. 2° 20' S., Long. 

 56° 45' AV. 



Itacoatiara, Lat. 3° 30' S., Long. 59° 30' W. 



Porto Velho, the lowest point on the Madeira-Mamore R. R., about 

 600 miles above the mouth of the Madeira River and 6 kilo- 

 meters below the lowest falls of the Madeira. 



Camp 33, M. & M. R. R., also called Abuna, Brazil, 219 kilometers 

 above Porto Velho. 



Camp 35, M. & M. R. R., 238 kilometers above Porto Velho. 



Camp 39, M. & M. R. R., 284 kilometers above Porto Velho. 



Camp 40, M. & M. R. R., 292 kilometers above Porto Velho. 



Camp 43, M. & M. R. R., 325 kilometers above Porto Velho. 



Camp 46, M. & M. R. R., 359 kilometers above Porto Velho. 

 Guajara-Assu Falls, 364 kilometers above Porto Velho. 

 Abuna, Bolivia, about 5 kilometers below Camp 33, on the opposite 

 side of the Madeira River. 



