PROGRESS IN BIOLOGICAL INQUIRIES, 1926! 
INCLUDING THE PROCEEDINGS OF THE DIVISIONAL CONFERENCE, JANUARY 4 TO 7, 
1927 
By Exmer Hiaeins 
Assistant in Charge of Scientific Inquiry 
CONTENTS 
Page 
2 oe VR Eg ES SIR oa a a PE oa eg ee eR 517 
Part I—INVESTIGATIONS CONDUCTED DURING 1926 
ame ipsa caniee tee Sh hE cs a ce oes Ly the! Wie pel eg ee Pe 519 
Risheriesof theyAtlantic,and Gulficoastss 2s s22 222 Sa 522 
Life histories and migrations of cod, pollock, and haddock_____-_-~- ~~ 522 
IVI re | eee cet me ye es eel ny eRe PR ry ee SONNE a a 526 
Bre lus Ob INGWeiMnpland.\t/as baa) obe Tobe oe ek Pe ts fn 0 528 
IMU LOUIE eS Sa ae a es Siar ee Sac esa dei ne Cie Lege ae Ua ey Eom See eae 528 
ShoresfishesiofsNorth. Carolinas = 2-6 2 ose hee AN ee as 529 
Wegasmarmeaisheres-- 8 =. hen ds en SP 8 ee oe ee a 529: 
Hoodeha piissotesnarkishs: ss Ee va he eee ere 530 
Rishenieszofatneghacitic Coast: 2s. = 522 bee e a WS ee eels es 530 
PACS) US EAN ToC Ci tage Boy © Ceemeasee gd ie Oy eed se Ca Ns 531 
SAlIMOOROfepaene oui Dia ARV eT eet ep aoc cer A eae OD ag Set 532 
| WD atte 70) RN det a rg + ae 3 aA Sie cali ear ee ee ys 533 
RIBTETICS EO lsIniteTIOR WaALCTS = Se oe se Sie een RE ey ee 534 
Goreroninesiof theiGreat) Lakes-9:s5- 2.12225 4s nts a ek 534 
NuURVeyAO! pandisky Bay In) Wake-Hrie- 22-2522 202 ese ee 535 
Biological survey of the upper Mississippi River__.__._-___-_-_----_- 535 
Keokuk Dam and the fisheries of the upper Mississippi River __-_---- 536 
WV esterit routs nc OLMer Collections=.082 oh. 0 a2 5k ee 536 
Investigations pertaining to fish-cultural operations._________.________- 538 
PPrOWGLCUIbUTeS Se Ae Oe tee sede Ss ee ee 538 
| ASTD MECC FU es Sassi RM cao Wn A co: ACUI glee eae oh Sasa Se Wr YO NC rene 540 
EaneaOROSeys OL TIGNES — os Ley. i ee eee SS oe ee nk SP eee eran Te ae 541 
Taye aons: io Wisconsin lakes. 22 oss “Sin aa Sa Pi a ee re 544 
“S| VELUIEIS, fy ECT ey a of 0) be rr a 5 SORE Age ae See Sein i eee Bes 546 
Spa ORAM oe ep ae a eee ee et pee I De 546 
itor: PACINC CORSE. 2.2225 oe eee eee ee ee ee 554 
3) 2 L1G) nt a el a ES ci TUS UE ar i Sapa a  h) a 555 
Premeaber MiNisselss 2. 3 Swe ares epee Sah des Pye 555 
errs ponvciwibbross= 59-2 2 Ht ee Se ss os 556 
Pisnoricsiueiogicaldaboratories 2 ees ote soe oo et 557 
Part IL—PROCEEDINGS OF THE DIVISIONAL CONFERENCE, JANUARY 4 TO 7, 1927 
Symposium on fisheries and fishery investigations. ___________________- 561 
Our opportunities: Our responsibilities. Henry O’Malley, Commis- 
SIGHEEF ls bNnE Tien. «. 2! 1 aE Dee ge es 561 
Dhe state ef America’s fisheries. Oy. Sette. ..2.....-.---.-.-.2 563 
Outstanding problems of the fishing industry. F. W. Wallace__-__-_- 571 
Problems of the fishery administrator. N. B. Scofield_____________ 575 
Scientific investigation of marine fisheries. W. F. Thompson_-__-_-_- 581 
The policy of the Bureau of Fisheries with regard to biological in- 
MespiPaiuons- “Muner ig ging wes Poe oe 2 he 588 

1 Appendix VII to the Report of the United States Commissioner of Fisheries for 1927- 
B. F. Doc. 1029. 
517 
