IV CONTENTS. 
A. Habits and distribution of invertebrate animals—Continued. 
3. Animals of the muddy shores along the bays and sounds.-..---.---- 366 
Goneral- TEMaArkKs owes... ccc be coe ceca ce emcees esleeee CAE eee emer Oe 
Articulates : 
O@rustaceaecccccece vesee oes sie lene = Se ee eee eee eee ate 367 
JT IGS eae dado saad soos US SOE Sao SSO USaDoO saScan choses 371 
Mollusks: 
Gastropods 22222 - a6 <== = isin ee ol ele ole) eee eal eel 371 
Wamelltbranchsccs <<.. 2 =e as rele ere eine eee eine 372 
ASCICIANS cq = cece eee wee Oboe letersi ae 375 
Radiates : 
Eehinoderms..<-- Ss. 25... cence ee eee serene eee 376 
INCPUGI NMS) ce esse cean ooegor SSesSe cosedo cessor Ssoscorsssae-- 76 
WGISTLOLISPOCIOS paste ee cle sees eae a a tee ae 377 
4, Animals inhabiting the piles and timbers of wharves and bridges, 
bottoms of vessels, buoys, and other submerged wood-work.-...--- 378 
General! remarks 3225 oni 5 22) Soe ac eeh eee eee ceases Seite 318 
Articulates : 
Insets :« 220,02 wate ace ls <node toeiseee ne oo see nee ee eee eee 37 
Crustaceaes.ciccic eee ohixelend. ss oe aoe ee ees aoe eee 79 
Annelids’and Nemerteans.2< : sec eee eee cere eee eee eee 382 
Mollusks: 
Gastropods sce cieccie me. co = eo cmicla ees eee eee ante eens ete ater 382 
Lamellipranchs'.c-..2...c2 sok sccee eee eee eee ee eee 383 
INSCIGTANS 22.00 Siesta Schoen ene ee eee eee eee eae 388 
IBRVOROAe sake casinaeie ccs socmcesees gwen Ries ea weine coy scisiajeeie sins 389 
Radiates : 
BChinoderms acai .cace otccs 5 nosso eee Seno ete een eee 389 
A CalepES csees «2ncesis cess oe econ (eeoee «nace eee e So eee 389 
Polyps! 22 ceceictes ced Sle cide sees, Seeeeee ee eee eer eee 391 
IISb OF SPEClES) 5 SS. Sec < ssi cis os seen eee eee eee eee eee 392 
5. Animals inhabiting the rocky bottoms of the bays and sounds .- ---. 394 
General remarks...-... rere ars gale eT A Reasons ad baboce 394 
ATHICUIATOS S. cele SS ccc anew e cee Ree ee eee ee ee eee 395 
Mollusks 22323 cnet sche .2co ooo eee eee eee ee 399 
ACIAbEs cee coe occ cae Sole a croeene Ss Se ee eee a eee 406 
IETOUOZOA sae ccc ho cods Sade Joss ego eRe OC eee 409 
Listiof species! 2.5)....25: = 226d -eeee eee cemiee ee cee eee eee eee 409 
6. Animals inhabiting gravelly and shelly bottoms...-...----....----. ~ 412 
General remarks... 322%... cblccmes saat emer eee eee ee eee « AZ 
Articulatestrr creo. ook oemee eee EAR SAGE Lo a be ee aoc 415 
Mollusks 2. ee on Ske 5 oc See rae ee oe eee 416 
Radiates: eee 2 ee eee AmaoSagosESoC 420 
IPrOtOZOR sa.- Schsee ee ee se eae ee ee Se ar 421 
istrot ‘speciesy 22 eee Oe eee eee See oes SUN AR eons 421 
7. Animals inhabiting sandy bottoms....-.----..-2...-.2-5 -2< <n 425 
General: remarks). 20 oR ee ee 425 
VAT TIC ULATOS's n's/ chic lw cls ee eee ree een cee 426 
MoWusksiict ee csccccs cece ene ee Be). eee 426 
IROL ATES: soos tein a We wi cow iteieroate siaeeteleroie oteetale oe Gnictoice eee 427 
BLO tOZ0 aoe ae eo vine wee i Sore eee eee re ae sioe eae eee 427 
ist Of SPOCles\futsiersrein' Caw cceie ciet Suimesercletewen ceed eee esos 428 
8. Animals inhabiting muddy bottoms.......,......---..-.--- eilorels 430 
