TIN Dak. 
[Figures in heavy-faced type indicate the page on which the description is given.] 
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ACERVULARIA pentagona .....-.---.------ wees nies 105 
ACMEA testudinalis ............--------- spremaaacesic 260 
JNOTO YES Bits 3c Sancomm DODDS DRO Soa TID SOS LOC D ODOC OIC A 14, 69 
WOIGHOLOMIB. 2 -s acca s\scavmricancwevecsece sien ene 14 
IACROTRETAS snancie sa seuamcsssauaeseasen= sin speagasso5 16,69 
PRE ED 5 se CaS COSC nCoCE Scr Oo SMeSSeISES S555 17 
gemma .....- ------3, 16, 17,18, 20, 71 
TSR OAR ASA Seis S86 SSB RSE aC PECANS eC rns 17 
RRNA OTs uacapmccaoanccas SonboosncuOdocae Cee aco 17 
INOMINOPUR RA: sacncnercitercecesaerenson sensor csens 166 
VA GTINOP TERT ACs etae cinielaisinin'a slain cielsialna'vialsinivisin sie isi> sin 166 
(ROA seeeceee eae eee aaeaea sa ceceiceeemnes 164, 166 
ACTINOZOA 100 
AGNOSTUS -- 2 24 
IU GN Eee as coeasecebpoonsc 20 ASO CeCcOOSas4 3,17, 26,27 
COMMUMNIGS. -- 2-225 0-5 ccacs ceases cecace Rena roees 3,27 
INGOT Aeee fe aaleee en eeecenee nee esem aman comanetee 3,27 
DRINCE DS eee ele wincdeinaise eee eels es ovis 25 
Tend Wye aS 55555 4550S Se a SROs OaS EM SoSSane= Beso 28 
Richmondensis ---- 7. ~- 5... 2 5 .c05 5. oo ween ee 24 
seclusus 25 
tumidosus 271 
IA GHAULOB Me aise cacteeetisisine acre cease mae ennle aleinlete eitia 55, 61 
PE LODOSUS meeteresieaiats sino ts ee sn lste owns) atelsiensiciate 61 
(OMG scone Sasa Ace aoSocS SADOOCHDS DOS ence Cee one 55 
SUP UN soy saad seas co ROS eee on See 55 
ALLORISMA Hannibalensis ...................-..---- 244 
SUIPOUTIGH be Vale oe melee ae cite ee a oe renin ce ial ac 225 
terminalis 225 
ALVEOLITES multilamellata 274 
Rockfordensis 102 
AMBOCCELIA umbonata 5, 276 
AMP HION, reciente Sosa sient one eos eae aus acces 94 
Nevadensis 94 
eu Ukssoontescos els sonatas 272 
AMPULLARIA......... Scdrnengsacsad AnscHassccosseensc 261 
1 Powelli ....... GooeHeSo50c Honscc soot acess 8, 261,263 
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AN QDONTOPSIB pee sean asa eeeieans nn paamavicees emcepe 180 
amygdaleeformis ......2ccccencecccccencccscnsee- 180 
ANOMITES cuspidatus .....-..- 219 
ANOMOCARE .........--cce0e coescenncne 59 
Scuminatom <2... 56 .c cee neenne eeneecee =n Sere 50 
PF PALVUM cer owas san ane ecsesatcnns soccnewenssenmer 59 
ANTHRACO-PUPA Ohioensis 
(Crepicephalus) Oweni .-...-....-.---..--.----- 55 
= Ptychoparia Owenl.............-....-.-...00- 55 
PVE LY lot. Bap oc co pOSeRS0 = oansaanoaeeoopconn aoa 98 
Caribouensigessecss see cese salem aaa ae aes seem 3,98 
WOUTIOSALCe eee nfeseeecnten aoe seaenenccsee sera. 98 
platycephalug) <2... 2)... ccc cewsecsnacennenna c= 272 
(BUS eee eee fe alee te ee etermielewimin as mie oieleepmim 272 
ASTYLOSPONGIA 99 
RW seqsasenenccosacAaod 99 
Nayarit) 535560 nos aebOHOee bsis SED EDOSHOCECROnODOSno Sos 148, 222 
SAT pel Oa psa eee tesa nteere seco tenanantene toe 148,169 
(CT Loses ae Saas Se SecA SSAA Saee ene aoa 149 
(Oa aans cee eng e cn sheian FOSScOnH os seisnabSone ono 148 
Tinh a tay Sa.a5 Sree on SnD OOOO SS OOO SDC ESO DOOCOO PPP] 
Mai geen ener te eens osiaset Unvitwsonciadecheancasaee 141 
MGSN GA asee ee ee cesar cele cece cham incnn ee <nln/s cals 149 
ULES 3 Sei goenseencad abo sesa D-H SoS CoS eS saaae 224 
TEGO cee poe aeocp nc SERCO AROS ROSE EH ODH coca 222, 280 
BI DIANE OB Bessa ce eee cia ome cin we sate lewis wminiain 5, 222 
{Os = cea soon 50, ado asees sees noseoco cman 280 
ETINU CLEA een esis antec einleisiemi= sine wnlc/-mminiateinsle' Se 224 
Ri httesec a Se naesgre Svosece An dene omnonesoecnscs 148,276 
287 
