664 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
PLANKTONIC STUDIES—Continued. 
Page. ‘ Page. 
Summary of the Planktonic organisms— Composition of the Plankton........----- 607-628 
Continued. Polymixic and Monotoni¢ Plankton ... 608-612 
Protophytes of the Plankton-—Cont’d. Monotonic Protophytic-Plankton - --. 609 
Wintomeeeec)) obs oceans sole am 587 Monotonic Metaphytic-Plankton .... 609 
Kanthellew.< <.0sc<<¢-pcaseccccsetencs 587-588 Monotonic Protozoic-Plankton...-.-.-- 610 
WietyocheD:.- <.2.+-s-s2-sseeceeeces-= 588-589 Polycyttaria-Plankton-...-.......- 610 
PP STIdIHOD 2 case oe os OS eee 589 Acantharia-Plankton .............- 610 
Metaphytes of the Plankton. ........... 589-591 Pheodaria-Plankton........-.-...- 610 
Paloapheopew =. 2.2 2025esskei02esoce 500 Monotonic Cnidaria-Plankton.-....... 610-611 
acillatonis eee eee ie 590 Monotonic Sagittide-Plankton ...... 611 
Senansere sc. .0 focarsg swe oe 590-591 Monotonic Pteropoda-Plankton...... 611 
Pra otodordhe Pianitaen oe ee 591-594 Monotonic Crustacea-Plankton....-. 612 
aE Ea ge Meet 2 ates 591-592 Monotonic Tunicata-Plankton -...... 612 
Thalamophora (Foraminifera)........ 592 Monotonic Fish-Plankton...........- 6129 
[aT oe ig aot Le NP er ee he go 593-594 Temporal Planktonic Differences ....-. 613-616 
Celenterates of the Plankton .......... 594-597 Aint: Genes a Sn a Re 4 
Bde ooo cs 2 cuaeene tY athy Ontos ee Se 615 
Siphonophores .........------------- 596-597 Hourly Oscillations...-...-.--..----- 616 i 
@ienophorestena2= 2250 Gases eee 597 pean? par Dh es eciey eae cae 4 
q Jurrentic Planktonic Differences ..... 628 
JEDI UES ae Russie Halicurrents or Ocean Streams...-.-- 622-623 } 
al SSS a aera 1 et aa = Bathycurrents or Deep Streams..--. 624-625 
Mollusks of the Plankton ........-..-.. 598-599 Nerocurrents or Coast Streams...... 625-626 4 
Pteropods and Heteropods -....-....- 598-599 Zoécurrents or Planktonic Streams.. 626-628 — 
Cephalopods -..-...--------+--------- 599 | Methods of Planktology .....------+-+-+-- 628-639 
Echinoderms of the Plankton .........- 599-600 Distribution of the Plankton. .......-. 629-630 
Articulates of the Plankton ...-........ 600-604 Oceanic Population—Statistics........ ‘631 
PASE LIAS oo oe ene eres an sm 600 Counting of Individuals............... 632 
Crustacea --.---.--..--.-22----------- 600 What is an Organic Individual. ....... 632-633 5 
Copepoda .......-..--.--.------...... 601-602 Economic Yield of the Ocean.......--- 633-634 
Oninacod disease saeeeee eee eee 602-603 Volume and Weight of the Plankton. 634 
SCHIZOD0GR S22 Soe od aee oa cenh eesas ae 603 Cycle of Matter in the Ocean (Stof- : 
IMBCChas ses Be sce seco kone ees emer 603-604 avechael des: Meeres) |... ee ose aee eee 635-636 — 
Tunicates of the Plankton ..-.......... 604-605 Comparative and Exact Methods...--. 636-638 
Vertebrates of the Plankton ........... 605-606 Planktological Problems........-.....- 638-639 
MISMUMSBSs ses Sc a. oe Ju Saeedcea ye oaeee 606 | Literature ........ eleln ee rersiatolaieiclels ataiaa meine 640-641 
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