Tatle of Contents 



A= General •«:... «*»« = 9 r.....-.«*..«o*..«»e*««9»**.»«»»* 2 



a: Bx'tema.l To no. 9ooc^»« .• = s»««eD**«33s.»secs*9»9« 2 



t>c ^lTterila.1 IIK)]*ph.OlOgy ::.: :**0»99««e99«««e9«3e«9VS»9*a 3 



X : W jC6 — GuOQ ^9e=3;x»e=*99:7;::;:»»ea«9e»9999993e973 O 



C r ■rf?0 XO^TV* ?a«*»79C = ***«9C9«0- :9«99S9*9A933e*S79; XX 



i : Oatline of habits = = c = = : = c . , , ^ >., 11 



iic Food habits : . = ^ r = : . ^ ^ = = . . . . = , ^ = . ^ ^ , = . ^ , . z 12 



iiio Spa-sming and groirth -. = , = = = ,.,,.-:.,. = ,. = .... = . = = = 13 



iv: Distribution and migration . ^ , ^ ., = ,,... = ,..,,, ., 16 



G-eCUS Thunimg :}«c:>;»*3a93930C^:; -z^^^of-aosez-ss^o 26 



-rSi-iZ S '-'©A l^O ^:3Cf: = ::;c909«09«*9~ >:99e099eofe939'33 wO 



^eiU. 5 X^5.^9. ' .i,wLIiZH>. ^ ?939eo0O9Ooe«e99eaao9ece = =393S9r Ow 



'JS HU 3 A 6 „ nU n^ ^l S - Sjs»;; :o0OS9eeOSO9O9999S9339330T 52 



^ ^ • O D 6 &»> ^XS>.^6w i*<ar:s«TC«:x~- :-3- = = = 3-T--»;sire*0O9ecn w^ 



ac Sxternal form r-«. . r = T.73ca- = -??: = r;r = s::j5c-. :93C99os 34 



l)c l3.oeniaj. njorphology c ;; = ^^-^ir; :-3e«9eee399999»9?9Pe 35 



i= OsteCiOgy -.— «.: -9e99S9999;^OS^9Cr3 35 



Xiz •Xi'^0 ra C3C'S9CC= T z - r: : :;£r ; r :3;o9»9»999e90r933C9 vO 



C e iSCOXO^y s« = «a»*e3se9* = e99e«ee9eeo99o£93339=3eQs59ssc O" 



ir Outline of habits = = = = .-, = . = .,...,...,-..- 33 



Ho "00\* naOXuS ;«*r3^;-5e«*»»e5«93«*S53«««3: = C = *9;= %V» 



iii. Spavming and growth ;;,;. = ; = = = ,, = jo..3 = c. = »335.= 41 



iv- Distribution and mgrations rr:- = ,,,,,=.« = ,,,, = ., 45 



Hz w'!^@w^3S ''.:r:-?:::r = r-:?3*39;9»99C«e«3 = C99e«sa*99SO*99a OO 



<XQ TTli 5 X ©X 2* &.^ WU lU d r t-3 - - reaoaoosws-^r*— 3T9999e»o»9»eoe»aa OO 



-Oaoaar > rrrrsrssssc^isrc O' 



r arrr ?9ae9aor-rrr -: ?- ro = cacw93o;e909ca Oi? 



• z T 7 z reeeooaor; 3 i s fassasaeaaa^^aaaaaoa wb 



~:9090a-~ :3C3SeCC5933»33300r O* 



XXX c " XSQ.©ry --:::::-:-.s;=: = crrea900C33r3: = -C99»999aa999»«9399C vO 



a© v fi a r aC UGrXS vXGS ai^rsoasacaasaeeeaacoaaoaaaasaaaeeaea OO 



be The problem of fishing gear ,, = ,,, c coc = = = .. , = = 78 



Cc The probl em of bait =.- = = r _-. c = .- = = = ,. = ,», o »»» o » o »,, c . , 84 



dc Fishing grounds «tv^ fishing seasons r = = = -,.-:» = = . = = ^^ 85 

 ir Fishing grounds of the low latitudes ssz± 



of the high latitudes .-......-...,..-,--.. = .. = 30 = 87 



iir Ocean currents and fishing grounds .-..,occe»e = 3=, 96 



iii. Topography and f is hing grounds .-...- . = .-.,, = ,,.., = 103 



±•7, Helationship to other isarine life ...- = . = .=,. = „ ,104 



inDortant literature -.s = .;^c = c. = 7... = j = .-jc*»oc5 = c = ». = = oic.dco = t(js 108 



