302 Annals of the Carnegie Museum. 



No numbers. From the river, from a grass-grown lagoon, and 

 from along the margin of the river seven miles below Formosa. 



Feb. 15, 1908. 



31. Barra, on Rio Sao Francisco. 



Coll. Nos. 484-485. Rio Sao Francisco. Feb. 23, 1908. 



Coll. Nos. 487-488. Rio Sao Francisco. Feb. 24, 1908. 



32. Queimadas, Rio Itapicuru. 



Coll. Nos. 489-494. In rai)ids of Rio Itapicuru. 



March 2, 1908. 

 Coll. Nos. 495-532. Under railroad bridge. March 2, 1908. 



33. Alagoinhas, Rio Catu. 



Coll. Nos. 538-550. Small, narrow stream, sticks, stones, 

 grass-grown. March 4, 1908. 



34. Rio Itapicuru. 



Coll. Nos. 532-537. Twelve miles from Timbo. 



March 5, 1908. 



35. Bahia. 



Coll. Nos. 557-640. Various places about Bahia. 



March 11, 1908. 

 Coll. Nos. 866-929. Bay of San Salvador. April 13, 1908. 



36. Penedo, mouth of Rio Sao Francisco. 



Coll. Nos. 700-793. In and along Rio Sao Francisco. Both 

 sides of river. March 22, 1908. 



Coll. Nos. 794-809. Clear pond one mile from river but con- 

 nected with it at high water. March 22, 1908. 



Coll. Nos 810-815. April 2, 1908. 



37. Propria, Rio Sao Francisco. 



Coll. Nos 816-824. Muddy places. March 30, 1908. 



38. Maceio, on coast. 



Coll. Nos. 825-864. Various places in sea and fresh water. 



April 6, 1908. 



39. Barra de Penedo, mouth of Rio Sao Francisco. 



Coll. Nos. 931-936. Mostly from clear pools used for drinking 



water. 

 Coll. Nos. 937-938. Mouth of Rio Sao Francisco. 



April 7, 1908. 



40. Aracaju, sea and brackish water. 



No Coll. Nos. April 10 190S. 



