IV CONTENTS. 
A. Habits and distribution of invertebrate animals—Continued. 
3. Animals of the muddy shores along the bays and sounds..-.-.--.---- 366 
General remarks .. 2... -- 20 2. ee ee ne ee cece ee ce eee ee cence cece cess 366 
Articulates : 
OTUStACED cds oetiace dcieeracecSe chess teae aes s ance eeeee sees 367 
RGWG AE nccccc cu ke tate cavkupdokwckaweenund dwn seaee Maewe 371 
Mollusks: 
Gaatrop0dsinccov sare os sccjeis ceinisis ates ta caiieiarcisig Saccie waieieine serie 371 
Lamellibranchs -...--. 10-220 e222 ee eee cee n ee cee ee ene. 372 
ASCIDIANG seiecea cece secs ceive Mower cess seein ctw cece 375 
Radiates: \ 
Echinodetuis:.,.< jc. caedes veeesnceesciveciacsie asie's'es os eciais sielee 376 
Acalephs ceccwvecesciswecwes seeesvseceeawciicee covietee cts eee 376 
List of species....-. ais Uaeiae Vee wee eelalyaeee we ewes wen seeeweiew 377 
4. Animals inhabiting the piles and timbers of wharves and bridges, 
bottoms of vessels, buoys, and other submerged wood-work.......- 378 
Genéral remarks)... ....2...:0.2 s05/02 dee seseesesuesccics sep eee seve 378 
Articulates: 
TPS6CUSic cee. cisisisnc Saar Fe ae See eS @Oaeins seem chee = een eure see ee 379 
Griistacea.s:: + secu uve See eeeeseses oe eee ewes Sececencesices 379 
Annelids and Nemerteans..-...... io Saas pahies cee eeuseceK ees 382 
Mollusks: 
GaBStropOds x: siesupwisree cataeire cae eje aise. gerne ae‘ ele sidisiniee sions 382 
Camel ibranchs’ siete cok tie ce cie evdytetciale aivieie uuu latarenie-ersscyeceatewiels 383 
AGcidiaiis/2o2 sete coe od acme cas sos amecicmed same e ewcecmoaceenee 3aR 
Bryo208 cccccase.anse screwed etewsinn devesGceew iecweniouweeaee: 8 
Radiates : 
Echinoderms.....-...---- A alihone nds ties ace oh ea Rea eanees 339 
ACRIOPES sansa. aceite sccetease deeb eee Vicece decede toemeanaes 389 
POLY PS ues acicivnresaisine weiaeampa occinie beitadyaimimce mara bierdicin wh teeie wreihse 391 
List of species.......----.------ x gahsSpaieadeustctormas Sai cecrs ier aecystawsiaisens tee 392 
5. Animals inhabiting the rocky bottoms of the bays and sounds ...... 394 
General remarks: <i-.c1 2 .jc,isisS) sic Re SS erase eis SSisisiek-nejsieeinsanis weremes 394 
Articulates..j.2.64.-00 oes acceosesescaweesies sree Gjehu sit eS aie Rtas cele 395 
Mollusks...-.. ssae clay Se SEE SoS Re CS ERGRESEN He Socks cmeiesee eee’ 399 
Radiates:-.cosseecssacces ws eces sence cepemeinecenic ct sie sseeiw seca: 406 
ProtozZ0@).coxcewesjeae sees aves aves ucteeacosessiemics see excess exces 409 
Ligh Of SPOC1OS sani ox views sone cecedcviaissn dete nacie ite He eeeaes owes 409 
6. Animals inhabiting gravelly and shelly bottoms..--....-.-....-.--. 412 
General remarks 2 cose. seni esescaecme code seus gs scee eoceewseeee - 412 
Articulates ..... okie dmle Selste emer we diccteesms lees cele shee Seeees 415 
MOM SK G aioe jo 2.5 wiesciarstehielnlatete tararave joaeegee wisivte slderslod arnioth Seeeuae eens 416 
RAQIACS cone cscceeecentce as soon: Si a eg i a agg ee 420 
PHOt0Z08 cus ctawesenscwineceen come 421 
List of species... .....2-22 --20 eee ee eeee eid a SE aisicsateieinie Gisie &: cinrelp 'siniaia 421 
7. Animals inhabiting sandy bottoms........--.-..-2...----.0- eekieces 425 
General remarks 425 
ATUICUIA TES soc acroe teisinc ance Shed st eca eset eeceetae ue tied detsien chat 426 
MON GSKB oa.o5.55\Giesienie cae aetline cies We seaeciey Siicie Deics wewrenys dewe Kame 426 
FRAGIRLES a:c.c2o 256 soe raison Gaon sieme wee deewememsealsaek wee eee 427 
PLOCOZOS « cocian ves cwuiys Male aoe whee toaneen seasons deisawajseaee ae 427 
, AuISU7OE BPOCLO8 : .asio.c10 ceiniwisies mociae Lokam sls Gales ae eeteuecinse waew eet 428 
&. Animals inhabiting muddy bottoms......-.......-----2---- eoeee--- 430 
