586 W. M. DAVIS — DATES OF TOPOGRAPHIC FOKMS. 



Pages. 



LI. Long island, New York, 1, 2 564, 577, 581 



Md. Middletown, Connecticut, 1 550, 569 



MK. McKean county, Pennsylvania, 3 567 



Mk. Mount Monadnock, New Hampshire, 1 551 



Mn. Meriden, Connecticut, 1. 



Mr. Miller's river, Massachusetts, 1 568 



Ms. Morristown, New Jersey, 2 553 



NB. North branch of the Susquehanna river, Pennsylvania, 3_ 572 



NBk. New Brunswick, New Jersey, 2 556 



Ng. Newburgh, New York, 1, 2 570, 573 



NH. New Haven, Connecticut, 1. 



NY. New York city, 1, 2 571 



Ny. Neshaminy creek, Pennsylvania, 3 562, 564, 574 



Pc. Potomac river, Maryland, Virginia, 3, 4__ 574, 575, 576, 581 



Pd. Palisades ridge. New Jersey, 2 553,556 



Ph. Philadelphia, Pennsylvania, 2, 3 562, 564, 566, 574 



Pk. Peekskill, New York, 2 571 



Pn. Princeton, New Jersey, 2 556 



Pt. Piedmont plateau. North Carolina, 4 566 



Q. Quaboag river, Massachusetts, 1 568 



Rg. Heading, Pennsylvania, 3 562 



Rk. Roanoke river, Virginia, 4. 



Sc. Schuylkill river, Pennsylvania, 3 562, 573, 574, 580 



SD. Siluro-Devonian lowlands, 2, 3 572 



Sd. Springfield, Massachusetts, 1 550 



Sh. Shenandoah river, Virginia, 4 576 



Sk. Saybrook, Connecticut, 1 569 



SM. South mountain, Pennsylvania, 3 562, 566 



Sn. Staunton river, Virginia, 4 574,575,576 



Sq. Susquehanna river, Pennsylvania, 3 562, 572, 574, 581 



Sy. Schooley mountain. New Jersey, 2 . 552 



Tb. Mount Toby, Massachusetts, 1 568 



Tc. Triassic lowlands, 1, 2, 3, 4 __^ 568, 569, 574, 580 



Tr. Trenton, New Jersey, 2, 3 562 



Ty. Tertiary area, 2, 3, 4, 



W. Wilkes-Barre, Pennsylvania, 3 572 



WB. West branch of the Susquehanna river, Pennsylvania, 3_ 572 



Wd. "Westfield river, Massachusetts, 1 568 



WG. Delaware wind gap, Pennsylvania, 2 559, 573 



Wg. Watchung mountains. New Jersey, 2 553 



Wn. Wissahickon creek, Pennsylvania, 3 562, 564, 574 



Ws. Washington, D. C, 4. 



