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MICROCOPY RESOIUTION TIST CHAtT

lANSI and ISO TEST CHART No 2i

^ illPPUEDJvyGEjn

^^. '6^3 fosl Mam 3'feet

~.S !',°fr:"V' "" "'"■ '"609 USA

^S '"6) 286 -■.989 - Fo<

REPORT

OF THE

CANADIAN ARCTIC EXPEDITION

1913-18

VOLUME VIII: MOLLUSKS. ECHINODERMS,
COELENTERATES. ETC.

PART C: ECHINODERMS

By AUSTIN H. CLARK

670
1913
C2t
V . COS
pt .C

\'.t- c

OTTAWA

J. dr LABROOI ERIE TACHfe

-;1NTBR TO THE KING'S MOST EXCELLENT MAJESTY

1U20

Imiicd April F,, I92a

Reoort of the Canadian Arctic Expedition,

1913-18.

VOLUMK

Mil MOLLLSKS, ECHINODERMS. COELENTERATES.
ETC.

P.H A M0..1.1.KS, HKCINV AND 111. IMOCFNK. By ^"' ,"^ 'l^"., ;,- '"^"^'^
V.n n: CFPHAICH.DA AM) m;ROH.DA By ^ ^ B^"> ""^^^ ^ ^l^^^^^.^,^,,

V,n C. KCIIINODKKMS. By Au.t.n H. Clurk ^^^^ p^UZZI;

PartD: BRYOZOA. By R. C. Obun, ,/„ ,.,^„a/u>n).

rart K: ROTATORIA. By H. K. H.^u., ^epur«/,on).

ran l-: CHAKTOGNATHA. By A. O. Ihu.tsn.an. . .^. .^. ■ • ^^ P"

Pan H : MKDfSAE AND CTENOPHOKA. B. H. B. B«.low ^^^ J^^J^^

Part 1: IIYDKOIDS. By Mcl^oan Iraspr •

a-ORiriBA, ACTINOZOA, and Al.CYONARlA: material nmaU m amount, ami no

specialists scUutocl).

REPORT

OF TUF

CANADIAN ARCTIC EXPEDITION

1913-18

VOLUME VIII: MOLLUSKS. ECHINODERMS.
COELENTERATES. ETC.

PART C: ECHINODERMS

By AUSTIN H. CLARK

OTTAWA

J ir LABROQUERIE TACHfi

PRINTER TO THE KINGS MOST EXCELLENT MAJESTY

4,VV»-

lisufd April 6, 1<)20

^^

The ' chinoderms of the i.anadian Arctic Kx|ii>Uiiion.

I9I.MM.

1*V \l --I IS II • I.Mlk

Tilt' ( 'itnuiliaii Antic lixiMilitiuii lirniiKlit Imi-k tun iliini-ainl ami i\Miit\.
miir Kcliiiii»'''riiis, rcpri'siiititii: u tntal "t* twiufy «|>irii-. tin iiiiiii<» nl whin
fdllow :

I'.ch' iHiiiirhiniin /nil Inn

Stf(iiii>liiiir(i noiliisii

I J IIIMPlUKA.

Sti' ' :;.,itirt htl'tttllf- il' ifhtti'htt ti.Mis

liol.uliil lioll
M ItniilriHhiin iinkii

• h-llll KiilDKA.

(>lihiiifltn .111 (CI I4III

A lupliiiirliii irnUmihuiUi

A.S1KK<>11>K\.

< 7( miiliscus critipatiis
( 'roxno/itrr i>appu»us
I 'rastfruis Iinkii
Anttrin.i polyth.ld
.i.v/t ;■/((,< iici-niittt hoii litis
Asti lias nuiimiilo

Aiftt riiis iiiiitoiii ii!<i9
( ti nii.sltriiis rnhniria
^liunMi riiin t/ioiropora
I.I ptiixltriiis nrclicu
I.I pliisti riiis I '.' I ili.ipur
l.iptiidi nils ipiihli'ni
sp.

l.t ptiit^ti '■
<»f tliof the t'lil'i" iin£ tc!i wcrf iistt witli ill tlif Antic oriiui oiilv

.Myriiitrorli' i-,nl:ii
• ^'hiDzea ru(' l<
' '•> iuden xiri nm
I ttwdiscnx (riipnlu.i
( 'rossasttr iiiiiijinsus

I (iisliriiis link I i
.\stirins (iriniilii Imrntlif
< ti iiiisti rmn crihriinii
l.i ptastirias arrlirii
LiptastiriaK (?) di^imr

the f iliowiiig jfvt'ii were fuuiiil iMilv in Hthriiin mh :

t.clitmimchnius parinr AsUriiis ntunniilii

.\)iiphiiMlia craterodmita .t.s/cni/.s' nurloninsiK

.{stir ins piili/lhela Sti mister kis Viarriijinni

Li'ptusti riiis I jiirhliirii

ami the following two wvre colloctfil hotli in tin' Hihritin sc.i and ' i the Arctic
ocean : -

Strongyloi ^ntrotus drobach iinsis

Stiijnphinra nodosa

3c

4r

Cttidillini Aitlic Exiii'Utioi). l!>l.i-1S

Of tlu- K.-lm.n,l,r.n. fMun.l in tl.c r.^Kmn <.f ( •..n.uiiti.m %n\i, tli.- f-illowinj: fiv-
,.,Tur iH.th in tlir north Alliintic ;in.i in tlii' Ht'hrmtJ s.-;i :

M iliiotriiclnis rinkii
(t/ihiDZxi nilitixtn

('tcu(iili.-<ciis crispiitii"
( It iiiist( rills rrihriiriii

tl... fnll..winn tlinr M-r inhabitants .,f the north Atlantic an^l Arcli.- only

()jiliiin-li II SI rlri mil

I 'nistiriiis Until I
Asliniis iicirnilii bnnnlis

,„„, „, far a. known, inhai.il^ J.art of xU- Ami. o.-ran an,l I hr .oaM of
Kanii'halka :

I.I ptiisli liiis iirctirii
an.l ..no i.art of the Arctic ocean an.l the Ah'Utian ishm.ls : -

Lijidisti fills (■.') ilisiiiir

|,u, ih.. hist two arc vcrv imperfectly known, and the last ,s quite likely .-ven-

tiiallv to prove to l.e nothing: hut the younj; of Astmns nrirriitn.

Thus the affinities of the fauna of the Coronation s;uh reji.on are 'le b
with t If na of the re^rions to the ..astwanl, an.l the material i-rouKht hack
relelnlX. ven- cl^ colle,.„ons at hand from the Hudson hay reg.on and

iH irt li\V('-it ('I'll i ilM'^'UlMud. It ill,. M ,.

Kxc.ptin. where otlu.rwise stated the ■cuncns were eoUecte.l hv M..
iM-ils .lohanseii, naturalist on the ex|)e(lif ion.

ECHINODKUMA m/lI.KOHADlAlA.
Class KCIIINOIDKA.

( Irdcr < l.Vl'KAsTKIN A.

Family SCITRLLID.E.
Echinarachnius parma ■ Lamar, k

Station If,- . Off Kuskokwim hav, Ala-ka C'.r- IV N.. lf>.V 1
f.ithoins; hiai'k -aud: .hily •^. MMH,
I'lanincnts, eml>edded in cla> .

W

I ■_>'•, i:;

( lider ( KN IKKi lll\<ill)\.
Sriixiiiiin CamauoiiiiM A

1 Huily STRONG YLOCENTROTIDF..

Strongylocentrotus drobachiensis t >. 1 Mulhr

station -(.,'. and c. ( Wantley harlu.ur. Alaska; 2 ^fathoms; -andy mud.

"''''TS;;'Smen'' Uie largest 2:i mm. m horuoulal diameter, and 11 nun.

,,i„,, '^t1^: .^!i;:u"of the „.sts^s ...rplc, that of the ., ■- la.her h.ht "■

thre.- have the hmiier spuii's dull reddish.

Kchinodernis.

.X'

Station .ill(/- I'l'i' < larciic", Alaska; 2 '.i fathom.-; -wiuW arcy mud. with
aijjiP (thread ai(£a'. Latin tt<irlii. etc.): Aujiust J, l'.ti:{.

Tlircc spccimi'iis. ranniiitJ i" -^iz*' fi"""' •'•> """■ '" I'orizontal (hamttcr and
:{1 mm. ill \w'ni\\{ to 7 mm. in liori/.ontal iliamctcr ami :i mm. m height Tlic
tfst and tube feet arc dull purplish, the spines dull olive, heneatli heeonnnn
tinned with dull i)ur))lisli in the ilistal half. .Mr. Johansen notes that of the
specimens eolleeted ;it this station only the I'Xtremes in size were kept.

Station 2(l//(. Heach at Tort Clarence. .Masku; .\uj:ust. 19IH.

One s|)cciineM. measurintt 20 mm. hy 10 mm.

Station Mp. He.ach at Bernard harliour. Northwe-t 'rerritorii-. Odol.cr.
I'.Ml.

t )ne ~j)eciineM. inea-urintj 17 mm. ti> 21 mm.

Station U. Outer harliour, Hirnard harlniur, Norlhuot Tcrniorie-; 10
metres: sandv mud with Lniiiiiiiinn ,ind Dihssirm: hottom t'iii]pcraturi- :>2' .">
Fahrenheit; .luly 20. IMI.').

( )ne specimen, mea-urinn 157 mm. iiy IS mm.

Station i;ic. West of ('uckhurn iioint, Dolphin and I iiion -trait North-
west Territorie-; 20 :{0 metres; jjrey mud with many stone- ,iiid ali;a- l.aninnt-
riii, Dtli stii rill, and t.illuitliiiiiiiiioti ): Sei)temi>er W. litl.').

Ninety-four six'cimen-, of which the largest is ."jH mm. Ii> 2n mm. I'he-e
are very dark in colour, dee]) dull i)\iri)le. linhter and hrifrhter hene.ith. the
spines above Ustially dark olive, sometime- deei) dull i)ur])le. l)elow dark pur|ile
(listally, liecominji trradually olive in the proximal half or two-thirds, aid often
with a broad suht<'riiiinal dusky hand.

Station 44c. Beach at cai)e Barrow. < 'oronatioii nulf. Northue-t Terriiorie-;
Aunust A. 101."). .J.J. O'Neill eoUector.

Five specimens, the iarcest measurini; !!• mm. by 2U mm.

Station 44< Kaiinuyuk island, Bathurst inlet, ( oronation ;;ulf. Northwest
Territories; 1 fathom; September 2, l!tl.'). I{. M. Ander-on. coih'ctor.

One s])ecimen. mea-urini: lb mm. in horizontal I'ameler. 'I'he colour i-
purple, with (rreen sjiine-.

(lass llol.olIH KolDKA ^

( Inler B\KAl I IMUMiDA.

Faimlv SYNAPTID.E.

Su1,I;,imlK myriotkoohin.*.
Myriotrochus rinkii Stem-trup

Station ;?7f . Iimer harbour at Bi'rnard h;irbour. Noith\\c-.t Territories;
about 2 fatlioins; -and.v mud with al^a-; Seiitemlier 1, I'.Ml.

< tne s])ecimell.

Station 41. Outer harbour at liernanl harbour. Ndrthwe-I rerriiorie-;
aliout ■') fathoms; sandy mud and l.iiiniiiiinn : .luly 20. I'.ll.").

Six sj)ecimens.

Station lie. Outer harliour at Bernard harbour, Northwe-t Territoiie-;
•> S fathoms; firey mud with Luininnrin ami Dtltssi-rlir. .Inly 2S, lOl.'i.

'riiirty-nine specimens.

Station i'.id. Off ( 'ockburn i)oint. Dolphin and I'nion -trait: aiiout .'lO
fatlioni-: sandy mud with [X'bbic.-, and no algu'; Si-jilcmbi-;- I'A. KM.'i.

Three s])ecimelis.

Mr. Johansen writes that from the results of the investigation- at Stations
Ml. 41, 41r, and 4;i(/ it appears that M ijiintnirhu.^ rink-ii, the only holothurian

Oc (iniiiilian Arctic Expfdiliotu l-'l-^ If

collected, is ;i very clmracteristic and common invcrtchnitc in ;iliout ."i fatiicims
< f water on a l>.>ttoin of sandy mud in the vicinitv of Bernard harlioiir, Dulplnn
and Inion strait. Tliere is here a rich algal Hora consisting of Ldininnrin and
other Fucoidea-, Ihiisaena and other Floridea-, green-thread alga\ etc. con-
stituting a Liiiiiiiiiinn zone, and the dominating dark-lirown colour of the algiP
influences the colour of the holothurians, some of which are dorsally. or even
entirely, dark brown instead of th- normal and typical transjiarent licsh-colour.
,Maii>- of the s|)ecimeiis collected contained well-developed einlnyos.

i;(iiiN<»i)r.i{.M.\ .\sTH<>K.\i)i.\ r.\.

( la^s orilU'ROinKA.

Order t'liiLopiin iiin.s.

Family OPHIOLEPIDID.'E.

Stegophiura nodosa fLutken)

Station 2(»f/. Tort Clarence, Alaska; 2 :{ fathoms; sandy u;rey uwul with
alga' (thread alga-, iMininnria, etc.); August 4, 1913.

Twelve .specimens, of which the largest has the disc 10 mm. in diameter and
the arms _'.") nun. long, and the smallest has the disc 3 mm. in diameter and the
.arms T)") mm. long.

Mr. .lohanseii records that in life these were red dorsally.

Station 23. Northeast oi [■■y cape, Alaska (70° 24' N.. 1(11° 2.->' \\ );
010 fathoms; mud and pebbles; August 10, 1913.

I'<iur specimens, of which the largest is 10 mm. across the disc, with arms
II) mm. long.

Station 41c. Outer harbour at Bernard harbour. Northwest Territories;
:i s futhoms; grev mud with Laiiiinaria and Dtiesscria; July 28, 191.').

Ten specimens; the largest has the disc 9 mm. in diameter and the arms
JO iiitii. long, ami the smallest has the disc 1-7 mm. in tliameter and the arms
2-G mm. long.

Mr. Johansen states that in life these were rose colour, darkist dorsally,
with the dorsal surface of the disc juirplish.

Ophiorea robusta ( Ayresi

Station V.ir. West of Cockburn point, Holplun and Union strait, Xorthwi'st
Territories; 20 30 metres; grey mud, with many stones and alga> {lAuiinini-ut.
Delesucriit , and I.ilhotluiwuion); September 14, lOl.'i.

Ten specimens, of which the largest has the disc 11 mm. in diameter;
another has the disc 10 mm. in tliametc- and the arms 41 mm. long.

These varv much in colour, some l;.ing as dark, with as strongly ccintrastmg
white markings, as any from Kamchatka {macuhitit of Ludwig). wliih- others
are an almost uniform brownish grey.

Mr. .lohansen writes that in life the.se showed a faint to stn.ng contrast
of black and grey spots and bands, and that the colours are well preserved m
alcohol.

Ophiocten sericeum (Forbes)

.Stati(m 43(1. Off Cockla-rn point, dolphin and Union strait ;_ about .')0
fathcm's; sandy mud with pebbles, and no algiP; September 13, 191.').

Kc}iini)(hi>n<.

7f

Sixteen huiuireil ami three s])eciiiieiis. [\\\ <if wliieli an' small, not exiciiling
9-.") nun. in diameter of ilise.

Station V.\\>. Off Stai»ylt(>n hay. l)ol])liin and I'nion strait: 'J.") 'M\ tathonis:
sandv urev mud witli a lew" i)ehl.!es, jind no alu;r: Septeml)er 14. HU-').

One hundred and twelve si)ecimen.«. of wliich the largest has the disc 1">
nmi. in diameter. Mr. .)o!ian-en writes that the (olour in life van. d from yellow
brown to rose and dark irrey-violet, the radial shields standing out from the
surrounding portions of the disc through their more strongly red eohiuratiuii.

Station J3r. West of Coektiurn point. l)oli)hin and (nion strait, North-
west Territories; 20 'M) metres; grey mud. with many stones and alga' i l.iiiinmi-
riit. lMli.s.''iriii and I,ilhoth<i>iiiu(in)\ September 1 I. I'.tl.").

Four specimens of which the largest has the disc \2 miu. in diameter and
the arms '.\S mm. long.

( hdcr ( is AllIOiMIU Kll)\.

lanuly AMPIIURIIXE.
Amphiodia craterodmeta H. I.. ( hnk.

Station 2('j/. I'ort Clarence. Alaska; I'-o fathoms: >;in(ly •j.rcy mud, with
algcT (thread alga'. lAinnmiria, etc.): Aug\ist 4, l'.tl3.

Five si)ecimens, of which the largest has the disc ."> mm. in diiim'trr ,iud
the arms 19 mm. long, ami the smallest has the disc^ 2 mm. in di.ui\et< r.

Cla-s ASTF.HolOKA.

( >rder l'iiANi;nozi>M.\.

1 amily PORCELLANASTERID.*.

S^iil)faiiiily CTKNOUISCIN.t.

Ctenodiscus crispatus iHetziu>i

Station 43^1. OlT ( ockburn i)oint. Dohihin and Union strait: about .')li
fathoms: sandv mud with pebbles. :ind no alga-: Sei)tembor 13. 1!M.'>.

One specimen: H=3.") mm.. r=b') mm.: the rays are >lighily uanow.r
than usual. In life, according o Mr. .lohansen. the colour w:i- a uiuform
greyish yellow brown.

< irder Si'l.M i.osa.

1 amily SOLASTERID.E.

Crossaster papposus iLinnei

Station 43f. West of Cockhtirn point. Dolphin and Fnicm ^trait. North-
west Territories; 20-3tT metres; grey mu<l with many .-tuni - ami aig;r
(Lnmi)iaria Delesserin, and I. ithnthnmnion); September 14, 191.").

One specimen: R=fiO mm.. r = 28 lum. Mr. .Fnhansen notes that in life
the colour was dorsallv brieht red.

i^.

j<(, Cnnwliiiii Arctic Exftaliliim. H'li />

OrdtT I'olK UM LATA.

I aiiiilv ASTERIID.E.

Sul)f!iimly ASTKRIIN/€.

Urasterias linkii i Mullcr amrrio-ch.'li
station m. ()ffStMpylt.mi,;.y. I)nll.l.in:nul r.nnu. tn.it, 2j^ .in f:,tl,o,n-
.an.lv ur-v n.n.l. with a f.w p.'l.l.L-. a.ul .... al^x; >,pt..,ul.... 1 • •"• V.,^

p;';,,i n"a 'l...win« thr.,u«l. la,...ally. th.. .,.in..> a,„i .-lu.t.T^ .,t ,.,.,l,.-llana.
ali.l til.' v.iitral -urfa.'.' whit.'.

Asterias polythela V. nill.
Stati.m 2(1./. lN..t Clan...-.., Alaska: 2 :< fatlnrn-; ^aiv.ly ^.-y n,u.l. uUh
..lifi. (thn-i.l al'tcu'. I niiiliiiii-ln 't.M; Autru^t I, liU.-i.
•^ Thm'iiS,.....-.. ..f wl.i-1. .1..- larp'M ."-.<-.,■.. 1{ = U0 ........ .• U> .n.u.

Asterias acervata borealis I'trritr.

Stati.... J-.'. N.Ttl. of tl..- .....utl. ..f tl... K..kp.nvnik .ivcr, Alaska ijiit'' -^-V
N |f,;r '7' W.K 11 12fatl....ns; r...k a.ul saii.l, with al^'U': A..g..st 1.. IIM.}
()„!■ siiccitii.'..; li = 100 ........ I- = -':5 1.1.11.

Asterias anomala VcLilli
Station 20!,. Port Clar......... Alaska; 2H fath.-i.ts. san.ly «.vy ...u.l.

with almr (thrca.l alp.'. Ijnninam,. vtr.): A.in.Kt 1. l.d.i.
()...■ spedmoii. ..icasurii.u: H = Ml ...i.i.. r= 12 ..ini.
Tlu. genus AlloMm.,. \u whi.h th.s spo.....s ^\;'V"'*^"V'' ■.";'. L^ 1

♦.inhl... The charart.T n'ticl up.m t.. s..pa.at,. it f"-"'" "/t u'.. .,,.•'.. ■
,'^oi the most striki.m tVatun's .,f A.^Unn. r.hcns a.i.l all «.) its .•!..>.■ flatixo.

Asterias nortonensis i V. nill >
Station 20 /> a.i.l r. (Irantl.-y harl...ur. Alaska: 2 :! f:.tl,...ns: .a.uiy imu.I

^"'''i'S;;;v-::'4;r's;";in.n.s, au ..^ app,-oxi,..a.,.iv ti,.. ..n... ... -n.

larp.'st ..K'a.-iir.'s U=!H n.in.. r = 2.< .nm.

Ctenasterias cribraria iStimpMint

Stati..u H7/-. h..uT l.arl...ur a. i^.Tnanl ha.l...ur. N-rthw-.^t ^•;;n-it|..i-:
2 :< fathom-, sa.uly ....id, with many al^a' iLmmunrn,. vXc.) . .XusiuM -.,

'"''i-iv.. .p...ii.i.'..s, ..f wl.i.'h th.- largest m.'as.in's H = :U ...n... v^Suuu

itulio'. 41. Out.T harbour at Hernar.l harho.ir. N..rt hwost 1 ..rrit...K-.,

al,„ut o fathoms: san.ly ...u.l an.l f'';;'',''-;;;,;/ J'^',r'';J; '^', = ,., „.„,
Fourtci'ii >p«•.•l..l.■u^, the larpst mt h-ur.ng i, - i.> '»"'••'
-; i . 4:i'' West of Coekh.irn point. Dolphin an.l I ni.m .strait. N.. th-

.est rS.iies: 20-30 metres: ,rey n.u.l .ith n.any stone, an.l alga.

il.nnnmina. /;</<.«./•/„ an.l Lithothannuon); Septemlx . . Htl.,.
On,' spe.iiiien: H = 13 mm.. r = 2o mm.

Eihnuiili I )>is. 0 C

Stenasteriiis macropora \( mil

Sliitioii •.'0</ Port ClMrcinc. .\l:i.-kit: - o t';it!iniii>: -:,iii|y tn y inuil,
with ;i1k;i' itlin';i(l m1k:i", Lmiviimln. rtcM: Auun-t 1. I'M:!.
One specimen, iiieii^uriiiK H -tli' miii.. r Itl imii.

Leptasterias arctica Munlorli

Station 11. Ndl'tll of ttie nidiilli nl the KukpiiW rilk lUer, \la-l\:i <)".• •*•>'

N.. lti:r 27' W.i: 11 12 iMtlicim-: rmk mimI -ihkI. with ;ilu;e; Aiiuu-i 17.
nti:5.

Two -.i)eeiiiieii>. of wiiiili the lainel' inea-'Ue- \\. - 1 '> inni.. r - •! ■> nun.

Station i:{c. \\'e.-;| of ( 'ockliiirn i)oint. Dolphin ami Inion ~lrait. North-
west ■{■(•rritories; 20 ;{ll metres; (jrey mml with many >ione~ ami alua' Lmm-
iiiiriii. hilissiiiii and l.itlmlh(innilinir. Sejiteniliei- II. I'.M.").

Two s|)ieimens; one measures H =- 12 mm., r ^ ^i nnn.. I he ot her l{ II mm..
r = ;i mm.

l.eptasterias epichhira liiandti

Station 2(1;/. i'ort Clareiire. Al.a-ka: 2:', fathom-: -.anilv tirey nni.l.
with ai^a' (thread alca-, LiuniiKiriii. etc. : .\uirn~t t. I'.tU!.

Twenty-four sjieciniens. all with live ra\-; the large-t measine- H - IH mm..
r =5 mm.

Leptasterias? dispar \ errill

Station 48c. West of Cockhurn point. Dolphin and Tiiion -tr.iit, Ni.riti-
west 'I'erritorif's: 20 W metres; jjri'y mud with man\ -tones and ali:a' l.n'H'-
tiiiriii. Ihlifix(riii and Lilhiilhaiiiindu i; Septemlier II, MH.i.

One specimen: H = 20 mm., r = •') mm.

PLeptasterias, -ji.

Station 2:5. Northeast of i<y I'.ape. .Ma-ka 711 21' N.. Kil' 2.')' W. ;
;• 10 fatiioms: mu<l and iiehlih's; .\u!in^t 10. lOliV -^*»

( )ne s|)ecimen.

TliK .\ssu( I \ lloN 111' Si'i:i|l.-.

Station IC.c. Off Kuskokwim hay, Ala>ka ",'.'' 21' N.. It'>'- 11' W . ' ;
12' 2 lofathoms; hlacksand; .luly .■>. lOlU.

Echiiiiiriiijiiii IIS iHiiDiii dead oidyi

Station 20 /' and c. Crantley harhiiur. .\h' 2:1 fathom-; -andy mud,

with alfia- .luly :50. 101 :5.

SIriiiKiiiliin iilnitiis iliohnlm iisis

A sit nils iinrUifit ii>

Station 20;/. Tort ( larenia'. .\la-ka; 2 -i fatlmia-: -andy
with alga' 'thread algx. L(imiiiiir!i'. rtr.-; \ut;u-t I. lOlM.

Slrongijloci lilniln^^ ilriihltchn n.-<i.<: .1 -'* .•■■•'!-■ i'i-'<:i''" •'•'

Strfioitbixrii nodiimi Aytiriiis anutnulo

Aiiiphinilni crdtiro/hiirlii .<liu(istfri(i-! Diarniponi

Li lllil.yti I'iiis I llivhliirn

an > muii,

10 <; Cnniiilliin Arctic Expedition, l!>li IS

StMtioii '_'()»/. Hi'Mch !it Port Clarfiicc, Alaskti; Aiiuti-t, l".U:i.
Stri>ii<i!)liict iilrolKs (Iriilinchieri.sis

Station 22. Nortli of tlic iiututh of the Kukpownik river, Aia>k:f ii'.» ;i."' N.
It'.:?' 27' \V.) ; U 12 fathoms; rock aiul .siiul, wi'' alt'a^; Aufiii-t 17, l'»i;i.

AfsUridS (iC( iLiilii Immilif:

/.' jitiistf ridf (ircticii

Station 2:5. Northeast of ley c:.i>v. Alaska (70' 21' N., ItiT 2:>' W.j;
;t m fathoms; niiul ami jielililes; Aujuist !!•, HUI^

Sl( tjiijihi 111(1 iiii(l<if<(i

C.'l l.< ])tlll<li ! Ids, ,■-]).

Station 'Mil. Inner iiarliour at Hernari' haritoiir, Nortiiwest Territories;
2 o fathoms; sanily mud, with many alfiu' \ l.diniiKirid, ete.i; Auj£ii>t 2.'), l",tll.

( 'tcndsUriim cnlirorid

Station :i7(. Inner iiarhoiir at Bernard luirhoiir, Northwe.-t Territories;
atioiit 2 fathoms; sandy mud, with lAgiv; Sep'emher 1, 1014.

Myriotroch ns r'm kit
Siatinii 37;). Heaeh at Bernard harhour. Northwest Territories; (»elni,, r.

I'M I.

Stroiiyiilocoitriitus ihohachit nsis

-I-.,. Station 41. (hiter harbour, Bernard harl)o\ir. Northwest Ti'rritorie:
10 metres; sandy mud, with Lamiitnrid :iiid lhUt-.:criu: .Inly 20, I'Ji.'i.

Slroiigijlocintrotiis (Iruhdcliioisis M i/riiitnicliiif niil.ii

('ter)dsti rid." crilinina

Station 11c, Outer liarliour at Bernard harhour. Northwest Territories
3 ^ fatlmms; (irey mud, wi l.diniiiiiri'i and I)clff,<>'rid: July 2S. Idl.".

.1 / II riotruch us riii /.■ ( i

Sti ijaphiiira iiodn^n

Station V■^d. Off (deklnirn jioiiit, l)ol])hin and Union strait: alu.ut ."0
fathoms: sandy mud, with ])elihles, and no aina': Septenilior 13, I'.tl.').

M ijridtrorhns riiikii

Ophioctt)! ,v( riciiiw
< 'tcrioiliscus crisi>dtiis

Station 4;{/i. Off Stapylton hay, l)oli)liin and I niou strait: 2.V-30 f.atliom.-
iandy grey mud, with a few pchhlcs, and no alg;r. Septemher 14, 101.").

Ophioctcn sericevm

I'rd.itcrids linki

Kchtniidt'rm^

II

Stafiim IMr. West d." ( 'ocklnirii point , Dnlplnii ;iiiil riiioii striiit. Nintiiui-it
Tt'rritorii's; 2(t ;i(l nu'trcs; urey iiimi, witli iumuv fitmirs Mini l(j:f > Lumnu,. m,
IhltsKi lin ami l.ithoth(iiti)iion); Scpfcniliir II, I'.tl.'t.

Slriiiififiliii-t nli-tiliis ilrohachii imi!' • 'rnssash r /((i/)/(i>.vi(,v

Ophiozm mluislii < ti iiii.st> ndf: rnhnirni

Djihinctiii !<i i-ici tiiii I.I iiliiiitniiis iirrlini

1,1 /l^r,<^-;■/'/.< I ? I ilis/itii'

SiMtidii I \i . I'.i mil at (■•■ipr Harrow. < '(.ron.iiinn null', N'nrtliw. -t i'lriilui-ii's;
Aiinu-t :;. I'.U."). .1. .(. o'Ncill cnilrctur.

Slr(iH(Jilliicinli cids ilrohdi-liinisis

SiMlidU 111. i\;umiiyuk isliiiul, M:itiiui-l inlet ,( 'oroiuitiuii null', Noitiiui-t
'I'.rrilorif-; I iritlmrn; Scptenihcr '_'. H»l.'). 11. M. Anderson, collector.

Stroriijijlin'i iitr(>fii.< ilrnUiuhn xxis

ai)1)i:m)\.

The folluwinii Kchinuderms were collected by the Northern l':irly of the
Canadiiin Arctic Expedition and received in Ottawa after the above report
had lieen written;

Strongylocentrotus drbbachiensis \y). V. .Mailer .

Stations ti3f, </. Walker bay. I'rince of Wales strait. Xiitoria i-land. J.
Hadley, ( li'tober 2. lOlti. 15 specimens. Meiititii'd by Au>tin H. C'ark.

Psolus phantapus i^tru--enfeldt i J;iuer.

Station ti:^ri. Walker bay. I'rin.'c of Waie^ >trait. Victoria islunil. .].
H.adley. .Inly 'W. HUT. 1 specimen. Mentilied by lluliert l.yman Clark.

Additional data for the Report on Echinoderms of the
Canadian Arctic Expedition, b sed upon specimens from the
" Neptune " and other Eastei \rctic Expeditions.

By A. 11. (L.vHK

i;( IIINOIDKA.
Strongylocentrotus drobachiensis <» 1 Mullen.

Tort Leopold. North Somerset, Northwest Territories: Xipliini Kxpedition.
August 17. 1904. :5 specimens.

Hichmond pilf. east side of Hudson bay i,ca. oG' lat. N.}; b') :'>0 latlioms.
A. 1'. Low, June, IsOfl. 2 specimens.

Near mouth of Povungnituk river, east side of Hudson bay (ea.tid" lat. N.i;
5-0 fathoms. A. P. Low, August, 1898. 2 specimens.

12 <

I'liniiiliiiii Aiilir H.rpiililiiiu, I'.H-i IS

Ni)rlli\vi'>i «i(lc 111' Ilui|«iiii Imy. Niiriliwr>t 'l'iTritiirif.«: luiirli, (i. < ',,iiii r,
1!MI7-(M>. '1 riii''liiiMi->i/iil ■•|H•(■i||l<■ll^.

Willtrr liarliuur. Melville i>l!ltlil, NorlliWe.sl 'l'erril(itie>: lieach. .l/(7/c
ilxiieilitiuii. .Iili.\. VMW). I small »|)eriiiieii.

Iloi.oTIIl |{nll)i:\.

I.ophothuria fabricii DIiIm n mikI Ki>ieiii.

I'ipit Hniwell, lii(iava; Siiitmn I'.xpediiidii. .Inly 2s, I'.MII. n -|miiiiiiii-.
Near iiimitli ul' I'oviiinjni' nk river, ea»l >i(le nf lliiiUou lia\ ; •") tl lailiom».

A. 1'. i.ilW, AllHU-t. |H<tH. I >j)eeimeli.

Kiiiu (ieiiriie xiiind, HiiiImhi -trait, I tin,a\a; W latlupin-. Diinm lApedi-
tiiili, l.iiw and \\ akehaiii. Seiiteliilier ft, Is'.t". I -|ieiimeli,

Cucumaria frondosa ( liimic ni-i

Nollll Somerset, NiirtllWe-t 'rerritnrie-; Xiiihnii 1 AlMiJlticin, \UL'U-I.
liMII, 10 .-.peeimelis.

\e;ir mouth of I'oviiiiKiiit uk river. ea>t le <i| liiii'-ou \ki\: '> ti lailiom-.
A. 1'. I.ow, Aiiuust. IMtS. :i speeimeiis.

(^ucuniaria caldj^era Stimpxuii Selcuka.

Uiitiiiioiid null', east -ide of HiuImui lia.\ : l")-:{>t failioin-. A. I', I,<i\v,
June. I.SUlt. I -peiimeii. Idei:litieil iiy 11. I,, (lark,

ASTKHolDKA,
Crossaster papposus i l,iimaii-i.

Port Leopold, North Somer>et, Northwest Ti'rritoiie- ; Sijiliiin V.\\>v
(litioii. .\iitiiist 17. Iltot. •_' specimens.

Kori Churchill, Huil-on liay. "after a uale thrown up on the lieadi; not
seen liefore hy native-. ' .1. M. Macoun; Se[itenilier. P.Mtl. I -peiinien.

Solaster endeca l.inuau-i

I'ort Leopold, North Somerset, Northwe-I Terrilorie-; Xiplinn I'.xpe-
dition; .Vudust 17. I'.KtL I -pecimeii.

Hudson -trait. ,lul\ or .\unu-t. IStl7. IIkiiki L\|)edition. 1 -pecinien.

Urasterias linckii M'iiler ami 'rro-ihrh,

Rii'hmniMl sulf, east -ide of Hudson liay; l."> od fathom-. .\. V. l.ow.
.lune, iN'.t'.t, 1 specimen.

Asterias acervata borealis il'enier.

I'ort Burwell. l'iis£a\a. I )i'. lioWert Hell. 1 s]),.ciniiii.

.\sterias sp. (youniii.

Nottintth.am i-land. Hud-on -tr.ait. .1. McKen/.ie. Issti. 1 -|)eeimeii.

Sluphanasterias aibula Stimpson.

XrpttuK- Kx])edition. 4 specimens.

Port Burwell, I'nfiaxa. Xriilnnr Kxpedition, July JN. I'.HII. Dicdsiecl,
1 s])ecimen.

<»i'iiiri!i>ii)i:.\.

Steftophiura n'Hlimu l.iitk>tii.

I'lPl-l Miirwrll. riiiiMV.i; Siiiliin, |A|i.'.|itinn; .lulv 'JS, PMII Dr.ilu.il I
s|«'iiiinn«.

Ophinzeu r<»bust;» \\r..i.

I'.iil HiHu. II. (imaVM: SipliiiK lAiMilitiMii. .Iiil\ 'JS, I'.MM I)t.>lu..| l.'i

NiiltiiiKliMiM i-l,ilMl. Hilil-cii -ll:iil .1. \I.l\,ii/i.-, ivsii, I in> .|iiiiii-H/.'(|
spciillirll.

Ophiiira sarsii l.iiiki ii
I'lHl Uutu.'ll. I'iiu.ivm; \iiitiiii, r;\|i. .lilii.ii. .Iiilv _N. \'»)\ Drvilunl.

Niiir I'oil CliuiTliill. lliii|>ciM li.iy. Jll iiiili- '41 nv.r in :i(i latlium-: lpnii..iii
cLiv uilli niavfl; hnimi lAprdit imi, Sipl.iiiloi .'. IWtT. lh~r _'! iiiin. in
(liiirnctiT. I -|ii'iiiin'n.

I'lirl Hiirwcll. rMj:a\,i; !." I'.itlii.Mi-, I ); . l;..l.,i-i Itrll. Aunu-i. l^M. II
.>lH(iirnn-.

l{ir|inii>ni| null'. cM-t r-i'lidt llmlMin liay; l.'> :i(l fathom-. .\ I*. l..>\\ . .Iiin.\
lH!"i. I -iMciinc II.

OphioctiTi sericeum luil.c- .

Winter h.'iri'Mtir. Milvilli- i-lami. Nuithwc-t 'ri'iiitoiic- ; AhIh I A|n diilun ;
M.i.\. P.HIll. ••.\.tai'licil to -hip- anchor, in 7 talhoin-." s -pciini. n-

llirhninllcl milf. .'.■I-I -idr <<\ Illlil-nU K.lV; l."i :;il f.alhoni-. \ I'. l.dW.

,liinc. isd'.t. s -pi'cmirn-.

Ophiopholis aculi-ata l.innaii- .

>(.iilhainpl(in i-lathi. Ilud-on lia\ ; -..ulli -hi.iv h'lrl.nur; ('a|itain < iiorpc
( 'dint r. I'.MtT -()".•, '■> -piTiincn-.

Ilirlllllnnil L'Uif. <a-t -i.lr n\ lli|.|-.ii lia\; 1 -'i ".d t:i I h. .|n,-. .\, ]\ \.i,\\.
June. !>!•'.•. 1 -pi'ciiiirn.

Kiiiii ' irciriir xiiiiiil. IIiiil-<in -irait . Inuava: HI I'athnin-. hnn,,! lApciJi-
ti<in. I.nw ami Waki ii.am. SrptiinlMr '.i. |s!i7. I -in.ili -prciini'ii.

t
['A

Report of the Cunailian Arctic Kipetllt:oa, 1913-18.

rONTKNTrl of V.VUTS IN I'ltf.rAHATION.

VahliN* li Utaml InlriMturllon, XarrXltr, Ma.

I'i»r1 V Snttl.'rn I'»rty, I'M 1 I'

l'r»rt II •'.lutlitrii I'ariv. I'lll I'l Itv II. I ■ii'ii M »r'ri \ i (•• . . , / n ,.»»|.«-j<niir

\i>liimr 11: ManiinaU anil Hint*.

I'lUl \ ^li«nniii»l« Uy l(ii.|i.l|i(i Muriin \iil.,<.iti /i;' ,irui>i
l'«»t II |lir.l« Uy II. M \i. I.T4 1I ,n I I' V I'ltit (i ;.'. iiki' ii

Voliimrlll: iii«wtH,

r»ll V 1 ..ll..|.,l..,l» llv ,Iii,Hi-lVV |..U.rii /•:...<

Vftrt h \.nili.|.l.-rniil IlKiTll lis Nlllliun iW:ik< /....■(

I'urt liliii.rii Hv'lik" " Mm.iiiI.t. Il;ir'i.ii ' 1 I). »r, iiil H M »» i««i l''i'l'

I'nrll' Mii!l..|.lu«Hiir>'l \"'t'l'K:» l«y A, W. 11 «k..'r. i i. I' I .Tru, ,tri I ' i UK N" illi»ll J"t4ii.

I'urt I ( ,.l,...|,i..r« llv .1 M >« lin... H i' I ill.i" W I,, nu «i.l I I) .-ili.'rtiini, Jr /)«.*('.

i'»rt i 111 .t.iptcrii llv I r ^ iin Uitf- / <.'i^

l'«rl<. Hv.ipi.-n.'p^iT'mi'M'liiit (.iilli liy Al.'i I) \t:v i .ilnvr »v. < "liHrli"" T. Ilnii", I W I. -Ulan.

un^l I . I''.iiri I fit. ;,<',./!.
I'urt II 'pi'liTi". Mili'^. iiri.l .Mvii.i|>...|< llv .1 II. 1 ;iif r' ■ \ iilu'i U.i'iks, »ci I Unl|ili \ i ■|i:«riitHirlin.

/ ,.,/..

V»rt 1 I ■•|.i.l.)pi(Ta. I'.v \r»liiir i;il.«.n /.,/■.

I'nrt I iirt|u.i)'.-i;i. ttyl, M.\^i!i>iT
I'.iri h iiiii.r.'il t 'lii!ir\ulii)ti.- •■n Inx'i t I iN' III '111' Vr ',.■ iiv I ni- .I.iIiiui«mi Uh ^■■ti'U-ulv^n).

Vulumr IV: llutati).

I'urt \ I i.'liwi'.T Mi;*' i«n! rn-liwii'.T l)i:ii..iii'. llv' iiii!.-<\V l..iw.'. ,/i ;i'-';nf id .n ■.

i'uft II M;inm' Mi/iw, llv I ''.li.iiK. ./'i /i". /M'.ifi <'ii.

I'art t : I uru'i, I'.\' l-ihii I )t.iir-n':*4 /'i ;"■• /''K'Jd '•> '

I'urt I) I i ■tii'h.i lly K. I . M'-rrill. /n ;.r.(i,ir.if n .

I'Hri I \l.i»'i'i !'.y It. .-i. William-" J'l j"^' /until '

Vuliinir V : ili)(in> .

Viitl \ I l..MTinir riiint.' .inl I Mrn< lU I;imii'. M M i.-,.,i'i. i-il ,,'1i,th tn itr-pinl' ■■! .
I'lirt II (..'iutaI V.it.'» nil .\r M- \.v;,-t iMi.i lU Iri" l.'.,i'i.:i li (>■ uri/i-ii

Vuliinir VI: Hiilirs, TiinlratM, t'Ac.

rnrt .A: I i^hc" !'.y I .Lilmnwii, In r" l"""t'''"'-

r»rf III .\ii-li|lliii« 'li'. lly .V. ( ;. Ilui.l.timiii. /n ;i'</'iri!. 'p.

Volumr Vli: Criixtace*.

I'urt \ Ilc'iii">'l ( nintiiiiMin". lly Miiry I K.iiliimii l-^ufl'
I'arl H, >.lii<i.|i.i.| rru,4liiM-iiiiii. fu \\ iiM-. I. S. hmitt. /.,iM-ii
l'»rt (' Cuiiiuftt. lly W. T. ''ttlinttn. (/>i ;■ ijw r uni
I'lirt I) l»"|u iLi, lly Ml" I'. I. 'ii"'!!!-. 'Ih ... /iiriM ■«'.

r»rl l:. \ln| hllm.ln. Ilyl'lttri'l. . H. Sh'M'Iulik..T. 'Ini>r::

)'art 1': i'!iii''.ii'i.lii. '.i-on .1. < 'nl' ; /n ;)r.-;Mr;(i.<n '.
rortll. I- iipl.v !i.,iioilii. lly I', .l.|i|ii •». -/■! .."'/uri!! '1'
I'lirt II < 111 l'i.vi:». llv I hii:i'"i'y .1' /i /)-•■-'

I'art I 1 iKtrii ■...I;i, lly U. W. S'rii, . , /ti ;■-. ,m/.i,'! .•' .
I'arl . I I rrxliiMi'iT Coia'piiii^. Ity ( '. Diviiilit Miir.-<li. '/i;>r.^M)
I'art K: Miiiin.- I oiH-p-i'Ia. llv .\. \\ ill.'V. /i/ir.-.v
Parti.; I'lmixni. ('■■iii'pnclii. lly ( 'Ikw. 11, VNiU.ii. l-ip '■<<!.
Part M. I 'irrii.i'fim. lly II.. ^ t'llshry. /i /..cfM' w»i..'i i.

Vulumr VIII: MoHiDiri, Ki'tiinmlrrms. CiwIrutrrsteR, Kti-.

Part \. MuUu^k.*. HiM-rnt ami l'li>ut,i.'i-iii-. lly Win. II. i>:ill l^wl.)

Part II (',.;. I, iil..pn,la(- 1.1 l't<'r(.p..aii lly S. S. Ilcrrv an I W I" I 'liipii Utt ineinril'ii)

Part ( i!i'KihiM|<.'riii«. llv .\ii«'in H. < 'l^irk. i/n ;>r.-«<,.

I'art I). ltr\oi.,n. lly It. ( '. i Nluirii. ,lii jir,-iiar,itf"it

i'art I., li.itai.jriii. lly U. K. Iliirniii;. In pr'iuwtii'n- .

I'art 1': •■imi'tnirnatlia. Ty \. ( .. Iluntniimn. /« ;.r.-;).iric m'.

I'arl II: Mi'ilii-iu' aii^l < 'icii'irilinrn. By I!. It. Ilu!"l'iw lnpre.i<i.

Paitl. I'vclroi.ls, liy Mi'I.i'an IrimT. i/>i /i'7iri.'' ■a).

U'i>ri(era. .Vi'tinoioa. an.l ,\l.voi::iriii iii;it.-rial nmall in :iiii I'lnt. an.l :ii> ipi'i:i:iU«tii ■wlec-toiW .

VolumrlX: .VnnrlMs, raraslllr Wiirm.4, I'rotoioans, Ktc.

Part A. I ilitiH l.aota. By I'rank Sniith iir.l I'uui S. WiUli. ./.:iuf.ii.

Part II. I'..iyiliai'ttt. lly Halph \ . I liiiinbiTli!i. •lip,;.iHi.

J'artC. lliruiliiiea. By . I. P. Moor.'. :In prrin-.ilvmi.

Part I): ' .i-plnrua. Hy Uiilpli \ . < hainlicrlin. In ;if>jii

Parti.. AiiintlwuTplialii. By II. J. Van I 'It-avc /ipre.'ni.

Parti'; Ni'iimloila. lly N. A. ( '..lih. 'Zi ;</-<'/'.:r.iri"rii.

Part *' ': : ':'rc:::;irn i;l. Hy .\. K. C-y;yt '•: ;'■ . ;. ■f*-..-t '

Fart II I'l'iiio'la. lly .\. K. <'o.)pi>r. 7'i /"-.'(HM'Mai.

Part I: 'rurlidlaria. By A. Ilasscll. (In /■rc/iurid"'!}.

Part J; ( lordiiii-ea.

Part K. Spun lion. By J. \V. Mavor. (/a prepan'MT.

PartM: I ■>raiiiini[era. By J. A. C'i.sluii:in. f/ni'ii.

Volume X: PUnkton, llydroKTiphr. T«de«, Rte.

Part .\; Plankton. Marine niatom-i.

Part H Ti'lal Oljscrvatijns. lly W, B.'ll n;iwii')n. ilnprei.i).
Hydrography.

m

^1