Bacon Scholarship - Continued 
Sta. #4. Pedra da Itapuca, Bay of Rio, Nictheroy, Brazil. Aug. 24, 1925* 
About 1.30 p.m., tide l/k in; clear, sunny; in little embayment of shore 
lapped by approaching tide, 25?° C 77*9° F. Depth O-l/k fm. Rocky bottom. 
Ph. 8 on 5, 9 on 6 , both end colors, so n.g. 
Unfortunately got over on Pedra da Itapuca after tide had started rising, 
and so was unable to get much other than small stuff. 
Saw a large brown mottled Portunid, but failed to get him. Current strong 
lots of seaweed, but short. Petrolisthes I got, after being scared out from 
rock let himself drift in strong current all huddled up. 
Sta. #5* Aug. 25, 1925* Sao Francisco, 9*05 a.m. 
Salinity with Nat. Research Council salinometer 1026. 3 , Temp. 71*19° F. 
Second reading 1026, temp. 72° F. With Bur. Fish, salinometer 1024 to top of 
meniscus, temp. 22-2/3 C. O.K. 2nd reading. Tide falling? Start at Colonia 
side, 9.26, 23^° C. At surface on rock by seine haul, 11.00, 23-l/3° C. 
g L 
Hydrogen Ion #3- *g*g • Over hy oyster beds 23-2/3° 0. 11 o'clock. Color of 
shade or tint? 8.3 only darker, too much dye. 2 nd test 8.4 done next day. 
Callinectes bocourti, "Cirij" puapa. (Cunha) spawn all year. In morning 
atd at night 4.30. No tide all night. 
Out in canoe, trunk of tree, 2 paddlers - 1 fore and 1 aft. Yesterday 
15,000 (lbs.?) fish with 1 seine. "Tainhas" mullet. 50 meters long, 1 meter 
at end, 8 in middle, 2kxx 24 min. Fair sample of things at this place. 10.4o 
a.m. haul complete. 
Caprella must have been on attached gulf weed literally by the hundreds. 
Pieces of weed saved with algae. Were stuck to algae by ant. 
New canoe worth 1 conto ( 1,000 reis). 
