ORTMANN: monograph of the naiades of PENNSYLVANIA. 179 



SusqueJianna-drainage: ' ' 



Susquehanna River, Selinsgrove, Snyder Co. 



Muddycreek, Lancaster Co. (G. H. Clapp, donor) (drainage of Conestoga Creek). 

 Conewago Creek, Table Rock, Adams Co. 

 Conodoguinet Creek, Carlisle, Cumberland Co. 

 Frankstown Branch Juniata River, Hollidaysburg, Blair Co. 

 Raystown Branch Juniata River, Everett, Bedford Co. 

 Shobers Run, Bedford Springs, Bedford Co. (A. Koenig). 

 West Branch Mahantango Creek, Richfield, Juniata Co. (D A. Atkinson). 

 Beaver Dam Creek, Flinton, Cambria Co. (D. A. Atkinson). 

 Swartz Run, Ashville, Cambria Co. 

 Chest Creek, Patton, Cambria Co. 



North Branch Susquehajina River, Tunkhannock, Wyoming Co. 

 Chemung River, South Waverly, Bradford Co. 

 Mill-race of Crooked Creek, Tioga, Tioga Co. 



Potomac-drainage: 

 East Branch Little Antietam Creek, Waynesboro, Franklin Co. 

 Conococheague Creek, Greencastle and Scotland, Franklin Co. 

 West Branch Conococheague Creek, Mercersburg Junction, Franklin Co. 

 Great Tonoloway Creek, Thompson Township, Fulton Co. 



Pennsylvanian localities represented in the Philadelphia Academy of Natural 

 Sciences: 



Manatawny Creek, Earlville, Berks Co. (H. A. Pilsbry). 



Sacony Creek, Kutztown, Berks Co. (H. K. Deisher). 



Schuylkill River, Phoenixville, Chester Co. (C. M. Wheatley). 



"Valley Creek,'"" southwest of Coatesville, Chester Co. (C. H. Conner). 



" Big Elk Creek, Westgrove," '^^ Chester Co. (C. H. Conner). 



Lancaster, Lancaster Co. (J. B. Eshleman). ■■ 



Pequea Creek, Paradise, Lancaster Co. (W. Stone). 



Susquehanna River, York Furnace, York Co. (W. Stone). 



Other localities, represented in the Carnegie Museum: 



Aroostook River, Caribou, Aroostook Co., Maine (O. 0. Nylander). 

 Fish River, Eagle Lake, Aroostook Co., Maine (0. 0. Nylander). 

 Delaware River, Newbold, Gloucester Co., New Jersey (C. H. Conner). 

 Potomac River, Hancock, Washington Co., Maryland. 

 Wills Creek, EUerslie, Allegany Co., Maryland. 



South Branch Potomac River, Romney, Hampsliire Co., West Virginia. 

 Shenandoah River, Harpers Ferry, Jefferson Co., West Virginia. 

 North Fork Shenandoah River, Broadway, Rockingham Co., Virginia. 

 South Fork Shenandoah River, Elkton, Rockingham Co., Virginia. 



1-' Probably Sucker Run, tributary to West Branch Brandywine Creek. 



'-* Not exact. The Middle Branch of White Clay Creek is at Westgrove and Big Elk Creek is 

 about four or five miles farther West, at Lincoln University. 



