Til. 
IV. 
ORTMANN: THE CRAWFISHES OF THE STATE OF PENNSYLVANIA 523 
Puate XLITI. 
Map of Pennsylvania, showing distributional areas of crawfishes. (See Legend on 
map, and text, p. 465-466). 
CONTENTS. 
PAGE. 
Inrropuction: Scope or Work; Mretruops; ACKNOWLEDGMENTS ............- 343 
Histortcan REVIEW OF ouR SysTEeMatTic KNOWLEDGE OF THE CRAWFISHES OF 
BENING WV TaVAAINUAG eee cine ai nen Bese cise teraiace cas URDU REE Deh ira Mnent heval ty tt Uk wat Rai 348 
MorPHoOLoGy AND CHOROLOGY OF THE PENNSYLVANIA SPECIES ............. 350 
PAR G enreralmvemlarkswt nesses scence ese eee alee aise sees BAS) ses SEGUE SUE SURE Toe Sleere ELSE MER LO 350 
Beeyatortheennsylvanianspectesuerrie is arene ei ae eine oho eiaeic 351 
C. Description and Distribution of the species ......... 0.0.00. eee ee eee eee 352 
Pa C amibarisi(Haxonins)plimosus) (vats) perrere irs ere erie ete crue an tener 352 
4; (Canmlorins (Meow) joey Cite. gaboseseohaecccsuoconnded non cod 358 
2a. Cambarus (Faxonius) propinquus sanborni (Fax.) (extralimital) ........ 365 
3) Chimlaiis (EMins) Costin BEG 5 oop ocogoecocoup bo GG occoDodCenpoS 369 
aio (Crumilogietisy (sencionyins)) logit (NS) ooonn oso odes odes b0cucdaeo6sau0sc005 377 
4a. Cambarus (Bartonius) bartoni robustus (Gir.)........... sxc Sea ts aieh pious ea 388 
H, Camloyanis (acio@mns) corals Wis covoceboodootasocpodsccvosooDenoos 394 
6. Cambarus (Bartonius) monongalensis Ortm...................-065 ewitnieGg Ao) 
7. Cambarus (Bartonius) diogenes Gir. ............+4.- ER een eas edu iaades A02 
EcoLoGy AND GEOGRAPHICAL DISTRIBUTION................-: demesne ifn 3 66 0 410 
PASE COLODayaay Sasi stale faye feet Lbeiai ays) cisions) Sts a) nl sees fenay stele aca ayes Aer eet Gi \ ios cat nner ee 410 
1. The River-Species : C. limosus, propinquus, obscurus .................... 410 
2. The Mountain-Stream Species: C. bartoni..............-...02- seeeee- 413 
3. The Burrowing Species: C. carolinus, monongalensis, diogenes............. 416 
Gem General Ealoibati anne dese ee Monks gehen auc rela ety cies SeLSLUS ES Reiieth yr ince aU ee 416 
Ge ShaperorBurrows iy als ocular ees ol elergistisroseiey cueieps aos Weekes eee et eae 418 
CHi@onstructroncole Burrowssc oeneaeeeiee ek Gone Oe ene eee 419 
BrGecoorap ical Distrib ations yoo sje si als iau+ ayers olsi 285) peo Savi ayes aeere neem Ted 425 
iP Cambarussiimosuseepieerenr ein ee TAEDA ee Huieoseecee emia eID) 
CPMOUTOTN AY Off LACUS ete ye cere ay hee castes yt nee eee ele eTe eR OR eager ea 425 
GreOrioinioteGistributlonyic%.crates-c erie wok erc tr) aces ated eae oes aereanee ne een 425 
2. Cambarus propinquus, sanborni, and obscurus ........... Rene ase eae o6 433 
Gr, SMM? OGG 5 s56cgodoccad¢ocnde SG eitelie ipuprese sca ar nets tres 433 
GomOricoimuot CishribMPtON rieececbs vs yc scissile uslivonsenehe aps geye te ce ls coy ee Mepem ats vee. 404 
Ja OAM HALUSHOALLOML Sies terete ce aa ars Ace Seetoes col ees louse Bn ere ad Re ee RO 447 
