Jans
canadensis.............. 35, 40, 66, 87, 88
OS ERAS ea ea 3
ON TIS ES a A a oe a 203
SORES AS ea eee 15
saxatilis.... Ree sake, BOS
Mentzelia albicaulis...................... 67, 83
jo: a aa 38, 67, 89
SETTERS ISS SOS na i
Meretrix dariena.........2....0..00......0.. 871
Merluccius bilinearis........................ 16
Mertensia alpina.........:........00...... 67, 95
NECSOPSOMISGIUB! 66. eierei tis oes ecieects: 4,13
Chetodorsci.6)0.i6.0tic les Wea
Mesomphix.................. 470, 478, 479, 484
andrewse.............. 478-480, 484, 485
Si MOUUVARRi chal 485
2 Ce NN RASA ER ts SS ABRAM 478
PONPIN OBE o's Base pete se 478
WIOTN AUS, 5.2 ies 478-480, 484, 485
levigata, 478, 478, 480, 482, 483,
526, 527, 529, 530
Ee Se EONS Se OUR, SUR ye 482
ji oe nas ABET 480, 483
Fe PRNEROW ocr ccuaeties cect es cdceajeaens 482
ONUVOLOMET Caer oo 478
Pro 2 7 1 TAR Ce ie ee
FUE ee, 478, 479, 484, 485
TORVOOCCUBA Geese Nias ic hades 484
subplana................ 478, 479, 483-485
| SSCS i td See ae 478
NWWRIRER ee roto 478
Mesopus japonicus.................00...005 555
CONT, Le PR Se SPS tea ae a 555
Fa eee PATO SEE Ran ee 555
Metepeira labyrinthea...................... 450
Metula cancellata................0.......... 351
ea eases 351
DTD RISE BOMNG isco dectasdasckcdbcacsaseessscan 442
UMN cie i cea uaagesve assess 479
Microneta cornupalpis...................... 448
Micropogon undulatus...................... 14
Micropterus dolomieu...................... 13
as 5” URES IS ie eae 13
626 PROCEEDINGS OF
Microseris.::cc2) canara 77
linearifols, oo ctincariawsn.-: 67
TOR FOE 3 ijeas coher sence betting aca seine 67
Microstoma microstoma.................... 556
Mileroatbnns gcacscchvssecces cs eneess oss 556
Mitnetihan sire eae ios ois 448
Mimetus interfector.......................... 448
Mimulus luteus.......00..0000..00000.0.006 27
Miomantis affinis.............................. 323
kilimandjarica.......................0 323
WHREAOINOR 6 ics is: cccsvl es agess 323
Misumena oblonga............00..0.000000 451
MAN ai ted ash os caaaacge eee 323
coat wtachaestancyndnebisonsevart iors pee co UN SA SSS ae geet 324
pilsbryi... ee 470, 474, 475, 483 | Oxyophthalmus................0...0...: 323, 324
rugeli oxycoccus................ 484, RN ici oii a pidiesck Sibson. 323
2 igi enasteaegaad iaicaa 470 NIN iin sctrsn tosis igen 326
| ane POS gs 5 aa an a 326
Oncorhynchus kisutch.......... " 552 note UE LTS 6 0 eRe ae en 68, 80
aah a 552 Oxystyla undata jamaicensis ....577, 579
ere eee ee eee eee eee eee ee ee eee ee eee Pachygnatha tristriata... seh ME 448
» techawytecha.......0..0.....cc.. 552
Onuphide OFA Pachystima myrsinites... cab 2, 68, 92
Onuphis a eee eee eee eee ee Cece eee ee ee ee eee eee ee ees OA Palzemonetes vulgaris PME eta Anes 3, 4
RR ea 269 PREIS ROI ei cies dosages 19
Sera Suara kes ODCUBA soos evi nein) Aa
Vexillarig 266 | SPbenOl pie 19
~ Opeas gracile... ccccccecccccccsseecn 74 |: Palpimanus...22i0.05i),ah waite. 394
mera Beater RN 574, 579 eee: saris aCsuzacd Noah nop ee RE oe e :
umi PER nest etet cet. are 574 OT AICIG disesecscnsavaeace Mixuepedyetctuzes
Rare Ride vi aoe 550 barracudina............seecreeee 571
MENU coco 5 css soscisu vu svephicass 550 . pseudocoregonoides.................. 571
Opisthonema oglinum.................. 16, 207 | Paralichthys dentatus.................. 15, 203
ee optus macrognathus es Poe 210 ‘ oat baked dear wewipab Vie coane¥e casas anya ee vo
nr ah, Sarat ante apart oe nee 203 | Laraspnendale MINOT................ ce
Gpantia microseris Pe aeeetion ete ee taeda 67 Litaeovies ae eye Labs boarebt FAG SU Ne s CONUgIE IED oe oes
|” Naess Sav Ben orca eaten testi ere oe 67 CANAGEMNSIS. 00.0... eerste tresses
Prrobelix “aR os glare ies b 176, 177, 184 Inpidiowna.cs0..c).s.0bcis es 402, ie
ar ata pA aera pee abe iian Yee SF © 183 pic} E 8 035 C2 MOU ere el ar Ge alge oa Rel 5
oe ath sscsrisice 186, 190 — SG RS, aR a
strigosa EACLE Titer eno lg Wr PCE eb iid cd ecdaca ds bbb cWeass octcakkssceeses
s. depressa, 176, 177, me is, -Parnassia fimbriata.....0..00.00.00000.. 40, 68
i 1 a. Sette: ia ar 68, 93
LV ARIA c8 osc. ss<4-- 176, 177, 183, 184 | Paroxyophthalmus collaris.............. 324
y. angelica............ 176, 183, 185, 186 | Patula strigosa var. cooperi............ 186
y. extremitatus... 176, 183, 184-186 8. cooperi var. depressa............. 186
y. neomexicana................0......... 183 | Patulopsis carinata.......0...0..0.0.0000.0.... 470
y. profundorum ..176, 180, 182-186 | Pecten (Aiquipecten) effosus.......... 364
Orogenia cgacotae EOS a eae 67, 84 I gel eee ee 365
waapthe Tne Eee eae 7B ts eee “PUA el teh Fee ee 365, 365
a Oe Sa ete ee musium) gatunensis.............. 365
Orthocarpus linearifolius.......... 68, 90, 92 (Flabellipecten) gatunensis.... 365
Orthoderinz.... ARO pS eS ee aie ee 365
Orthopristis chrysopterus.. daegt ah 16 (Amusium) lyonii......00.0..0.0...... 365
Oryzopsis cuspidata........................ 68, 97 (Amusium) mortoni.................. 365
aaa Dee eee re
628 PROCEEDINGS OF THE ACADEMY OF [Dec.,
Pecten nucleus...) des oak. 365 | Phos semicostatus........0.0..000000cc00: 350
(AEquipecten) operculari- subsemicostatus...........ccccccee 350
FOREN chic Sesssras eee abe: $66 | Phragmites: .2:.005..... cee
(Plagioctenium) _operculari- Communis 5.00.04, paces 69, 88
FOrRME Orit tee ai leastesx: 365 | Phrurolithus alarius..........................
PAPYIRCORG bocce pierre ss 365 FORMICS.......;;/..4.-cnns 442
BOISE AS eerste tics secs oss 0e: 364 palustris:.....).. kc keanpeaeeee
re Seay Sioa SDS a poh -} | Mpa Emel aren rnen Tye aF 5 442
(Amusium) toulz...................... Phrynosoma cornutum...............0.... 229
Pectinide.............. piteeeeeeeeeeeeeeeeeeeeeeeeees 364 douglassii brevirostre................ 229
Pectunculus acuticostatus................ 364 frontalé...........:..). 2.00 229
Pedanostethus riparius.................... 445 hernandegi...3..00. 5.) eee 229
Pellenes borealis PURE Tys ober shsesnrvtess 455 h. ornatissimum................ bs 229
peregrinus... Rt ectay ropeerconere. I mModestttM. ...... cic so 229
Pellonia bleekeriana..........00....00000 210 regale:...63..scisl 229
castelnaana..............eec eee 210 | Phthos.........:scsy.elgua ee 334
WM ef sab ict vaushciscpczcimeicasviseeey. 208 occidentalis............-.e.ccceceecc---. 334
Pentstemon confertus...................... 68, 96 prolixa....0..cs.c.60h hee 334
1 RE MST eohce alee eebeenae 27 | Physa gyring.......<..- 454
a anette...) csinedsscetaise aan 397, 398 montana... = 454
PSNI 5... sss s cassis ieax eae 328 ; pg iets ia gee
Phenacogaster bairdii..........0000...00..... 499, | Pisauride.;.....:......:;2:.00.se ene 452
Bedi... oo oe 419, 421. 422. 424 | Pisaurina undata....... 452
megalostictus....cccccscccsc0ecseessee: 421 | Pisidium sp.................. 439d 198
microctictus.....iic...viccuunnaes 422 | Pitar centangulata...... 369
pectinatys....csccssscssecsslesiccnie 421 Ciremata.....5.04.. sc eee 370
Phibalosomine. nc. 335 COT Bs: .sccsies oe sscasentt ie ier eae 370
Phidippus....................... 396, 403-406 floridana..........-.eeccssceecesctees 369
RAR. 2. uceee ee 454 hilli............. Serre sesegeeeeeneees 370
EDSIGPHATIUS. «......,..5:.62:0:0es see 454 | Pitaria (Lamelliconcha) circinata .. 370
itawrOeis.... ae 4 (Hyphantosoma) floridana...... 369
POGHRTOSUS. «.;....<.6¢..:0.. gastos 45 : saute
(Lamelliconcha) hillii.............. 370
DPUTPULAbUB:. ooh... dee 402 i
ONCE ine enor 455 (Hyphantosoma) —_opistho-
Philzous militaris....0.0.000000..0000.:ccc00. 455 STAMMALA.....---seseeeecrees 369, 370
Philodromus carolinus...................... 452 | Pituophis catenifer deserticola........ 232
NANA 6 es: sc Fess ds knccaee. ce ae 452 | Plagyodontide.............8.....c.apeee 571
BAIR a het tra, fos tesacicaudtea wee ae 452 | Plagyodus ferox........0.0.0.0.0..cccccceseees 571
Phlegra leopardus.................0000000000.. 455 | Planorbis deflectus cessed aoe 198
Phloeum alopecurus............0..0.00.000000.. 69 tenuis....2..0.5.-25 dul ee 198
BURT 2p Oe os, 5, snvipn tens Coes 69 | Plantago eriopoda....................0...... 69, 94
Phlox longifolia...............0......... 26, 69, 91 PNAJOR Senses yt 69
ee Ee a eto N 441 patagonics. 6.0.05... eee 69, 94
fe a cs 395, 396, 413 | Platynereis agassizi...........c 247 «|
MHAIANGOIGES:..0..05...s.5000sc0ecseec.c0: 441. | Plecoglossusi:.3..30).:../).:. 084 497
Phoradendron juniperum.................. 69 sitivelis.....i5,.....33.....;0ee 555
{og UE 349, 350 | Plecostomus verres.................0::c0000 436
GAtUNENSIS.....................6.0006- 349, 350 | Plectana stellata...........0.0000. eee 450
SPRINGS... 5... 0sscs. 0c 349, 350 ' Pleurodonte.................. 124, 128, 139, 159
1911.] NATURAL SCIENCES OF PHILADELPHIA. 629
Pleurodonte acuta acuta ................ 143
a. goniosmos, 126-128, 130, 139,
140, 143-147, 149, 150, 152-154,
157, 160-162, 580
a. patina........... ae casunaie 143
a. semperfluens.................... 578, 580
Re OUMNIOCITR. oo oci55.i).2..cc aes 578
(Dendrocochlis) aspera............ 573
bainbridgéi.......... 135-138, 156, 157
b. pretiosa.................... 135, 186, 138
acd didenade jamaicensis, 126,
127, 130, 132, 573, 578
MIN CoS ea 5
RPMANGAE 3. haces coset oes 573
PENT RR IN ee i ch or 578
BIRMONIS 5:.finscnsees 573
TT aah aeiete Banta wr Ieee bsp 580
Pleuronectia lyonil..............00........ . 865
Pleurotoma albida............................ 343
OL et ANS, ee MSS Se AG eee B45
Oa TERE RISE ODS Ce 345
(Genota) gertrudis.................... 345
Pleurotomaria abbotti... ..534, 535
crotaloides............ 534, 53h, 535, 535
STRAT Saf NEN la 534, 53
OSS EG 0 ea a a 343
OE Oa 69, 93
RI scoot es cds cxcse sc 70, 80, 85
NN oe 515.) cats caad 69, 86
Podozamites formosus...................... 17
Mp0) 656k. de ccc cv eadavartece 172
(Temnaspis) fissum.................... 171
RN er 172
NS 275-550, Corricca,accscvaviecasssvece 436
ERE SS BS ea ee ere 585
IGS CLOMNB. 6.556550) 5si. ec... ecs eons 16
Pogonomyrmex occidentalis............ 37
Polemonium czeruleum.................... 70, 81
Polinices subclausa.....0........0..0000:.0:- 360
Polygonum amphibium.................. 70, 89
Cd 1 1 SURES head Sep ea NR 70, 80
hartwrightii........................ 70, 87, 92
i et a SE Re a 70
PUMEP OPIN esse cececeecanees 70
ROP III ooops ais ves leoysritinnas 70, 94
Polygyra albolabris.. ........................ 531
Oo ie hak el ieepatoae eaten, tee 526
appressa perigrapta.................... 531
UGA. ooo. cc scadeacccenis 526, 531
COLTS G2 eI ASE a ee 526-530
ee 526-528, 531°
monodon friersoni...................... 531
obstricta carolinensis................ 527
ee el a 526-531
a ae eae re 168
ES eas a 321
pe a, a 321
ES oe 321
Sj I ee ea 321
BO RMN tec cela feiss sesecce-vee-sec 63
juniperinum.......0.00.0.......... 88, 89, 93
Pomatomus saltatrix.................... 12, 203
Pomolobus estivallis..............0000... 6, 206
chrysochloris........5.).0h.:46.000 206
WIOGIOCNIS,. 650.580. eae 6, 206
melanostomus............00.0..00:00000-5 208
pseudoharengus........0.0......... 3, 6, 206
Populus angustifolia.....0000000000000..... 70, 91
a LL LEN Te Fe ea ae 70, 91
Poronotus triacanthus...................... 12
Potentilla amserina..........00.00.0000000..... 70
DEO SE Se ea Se 70, 97,98
MENINOMINS. 22.5 .22.05055)0 0085: 70, 89
pennsylvanica.................... 71, 83, 84
ESS SS RAE aOa ecaraeee 71
ee 5 Uae a 71, 90, 94
Prionotus carolinus........................ 15, 203
Pristigaster flavipinnis...................... 210
PPUstde OCUINALUS:..)....0.0.sesssescsecsess 16
ee 495
Prochilodus amazonensis.................. 497
cephalotes. 497
EOE Sa a 497
RSE SS Sie eae 497
stemadachneri...i........660.6......... 497
MUNIN 50228208 ads en 495
Jipcsits | 609) 218 ba SR a 497
Proserpina nitida................0..6.00.0. 576
PrOpGED Ie ts ciisiln esting 576
Proserpinula infortunatia.................. 573
Prunus demissa......... 27, 34, 39, 71, 95, 96
Pseudauchenipterus guppyi......433, 436
nigrolineatus................:cccc00e 434
Fre een di pee Noah a ge Ca 434
Pseudopleuronectes americanus..15, 203
Pseudotsuga douglasii.....-.35, 71, 80, 97
Pterengraulis atherinoides.............. 220:
Ptihehnus.3.35555. eee 544, 545
anomalies. 2... as. ees 545, 546
hydrodromus...............0:000000055 545
pectinatus!] ae ee 545
Pane hebiae soo sn esse re 197
BYREER ES ee ease 193
Pupilig...:......:.: 184, 194
Lie ed ERPS NE) A ee a 194
eer RES Ah i CC 197
Wo -Raibabetinies:. foci 00.5... 197
SVUMONGS cise ee isle 193-195
8. avus... rea £0; 199, 196
8. dextroversa.....cce cece 194-196
ae a re 193
Pupoides hordacea..........................-. 193
WUC RON M i oicssscecsecxies.sscs-- 193
Purshia tridentata... 26, 71, 81
Pygocentrus stigmaterythrzus........ 494
WON iia laseciaeesie cscs 432
ast ae eS Ae 432
Pyramidula alternata.................. 526-532
(Gonyodiscus) eronkhitei........ 191
Pyrula near papyratia...................... 356
Pyrus sambucifolia..w....0....000cc0ce 7
Quercus undulata................ 27, 34, 71, 83
UT See 5
Ng ee 16.
630 PROCEEDINGS OF THE ACADEMY OF [Dec.,
Raja levis......... ree n 1S Rey 16 , Salix longifolia................0.::cccees 35, 73
Oop ata. «0.5.55.
;
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XIII.
20
24
PILSBRY AND FERRISS: MOLLUSCA OF GRAND CANYON AND
NORTHERN ARIZONA.
PROC. ACAD. NAT. SCI. PHILA. 19144. PLATE XIV.
22
PILSBRY AND FERRISS: MOLLUSCA OF GRAND CANYON AND
NORTHERN ARIZONA.
a ie 2 A ae =. LJ
ale he ee
*
PROC. ACAD. NAT. SCI. PHILA. 1914. © PLATE XV.
Aye it
ayate
J. P. MOORE: POLYCHASTOUS ANNELIDS.
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XVI
J, P, MOORE: POLYCHZTOUS ANNELIDS,
i
a
Shae
mete |
PLATE XVII.
PROC. ACAD. NAT. SCI. PHILA. 19114.
J. P. MOORE: POLYCHAZTOUS ANNELIDS.
PLATE XVIII.
PROC. ACAD. NAT. SCI. PHILA. 19114.
J. P. MOORE: POLYCHAZTOUS ANNELIDS.
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XIX.
J. P. MOORE: POLYCHASTOUS ANNELIDS.
J. P. MOORE: POLYCHA=TOUS ANNELIDS.
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XxXI.
J.P, MOORE: POLYCHA&STOUS ANNELIDS,
PLATE XXII.
PROC. ACAD. NAT. SCI. PHILA. 1911.
r
aa
os
ae a
oo. eke
GATUN FOSSILS.
BROWN AND PILSBRY:
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XXIII.
10
BROWN AND PILSBRY; GATUN FOSSILS,
PROC. ACAD. NAT. SCI. PHILA. 191414. PLATE XXIV.
12 13
BROWN AND PILSBRY: GATUN FOSSILS.
PLATE XXV.
SCI. PHILA. 19141.
PROC. ACAD. NAT.
BROWN AND PILSBRY: GATUN FOSSILS.
——
PROC. ACAD. NAT. SCI. PHILA. 1911
PLATE XXVI.
BROWN AND PILSBRY:
GATUN FOSSILS.
PROC. ACAD. NAT. SCI. PHILA. 19144. PLATE xxvii.
BROWN AND PILSBRY: GATUN FOSSILS.
PLATE’ XXVIII.
PROC. ACAD. NAT. SCI. PHILA. 1914.
BROWN AND PILSBRY: GATUN FOSSILS.
ee
re exo *
PROG. ACAD. NAT. SCI. PHILA. 1911. PLATE XXIX.
BROWN AND PILSBRY: GATUN FOSSILS.
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XXX.
y neu.n.
neu.w. 1
N. E. McIndoo del,
McINDOO: LYRIFORM ORGANS AND TACTILE HAIRS OF ARANEADS.
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XXxXI.
ne be 'sian.
N. E. McIndoo del.
McINDOO: LYRIFORM ORGANS AND TACTILE HAIRS OF ARANEADS.
6 ei “ iii ils tll
nao mime
PROC. ACAD. NAT. SCI. PHILA. 1911. PLATE XXXII.
N. E. McIndoo del.
McINDOO: LYRIFORM ORGANS AND TACTILE HAIRS OF ARANEADS.
Ve (ye . ae
— =F aren seep orien anna career ———————
ee See = ree
aaa eeenntennent eptet petepnptepnerpatesetagepeey Saas aseses Sabedocasepecoenieesase = ee a =
sicacewrporenenan tannin sarevetetetate eine ete terete eee eee Reprtstrp cit == sore
ener Sees gn es serene seme are sreeetar == == =
Se eetiet ate epeeetsetern Seas arena
Smee Sep terete Sasesaces
a eases eta tatacatetemense seeese eee sate =
Sectesrrmtoprerstecteregeereentee erent = : coco :
eee newe cata newe ne cemee, soe. bietorn mr mabe np pupanenanennpad teomanrmampapumpeoomenipeameeniee een econ serar area
1 OO NN ee aE A A TA TE OR Cm Sm ty hee we Aedibethedtedtenarneentenashekeeke kee
abeemerareetoeeesesece tose ecesecees, = seers ae arorreee enn anaes aemopapeeenasepen ere
pe ee ; nama care San imsnrs enerekameneate aierenreeeneetoo
eevgmeare rin soenaeteeeeneeierneeres : : = SS
eoonresener insane sere ere aree eres! sates ; ms ; on SES sreretete mae
ageeerrnnns qoreeeeean en eters eran eee ——- = ara = aim = =
See “<== Sorsescatane Solara tochyeasrarereeeree ee = Se = ree —-
SESS = pts = SS semeeneceren en atattenerneens
Seater ete SS soe = =. sposeaneen eaten = eteceanwmeneers
Sereneaeeseaeee SSeS Se SS
seomanssesemteuntmarertassieiatsieteseeanie iets paepearne tone SiS ec
sacenasesenemcetmtesasasacosnenteseeneseseseeeee ee eeee ree resscapereteceee rete rens Sree saroccraioes
aes eee iee ca me ee ererees nen ee ow vee eran te eevee dppstpheteboteneeaetine
Se eee Ss creeenteerae {ata ay nes eeceneneee repereceraeaes
5 Senaaeeamiin senses seeserweiees = = meresteterpeceterere achaeeronearoas
Srob se eeteseceravacesavnsernrngucndourgranqeon se tanssn teense teenies ane tice porecens Lisaacossturarenisomeren Retepoteeensan
Ristetinesote tetera rere cpesecereiete ree Ssasesonsmesceses
ELLE EL CORE OEE te OOO Oh Oe Oe te