W. B. Dwight —Wappinger Valley Limestone. 
SOUTHERN CATSKILLS. 
451 
Feet, | 2 kere 7 South End... . 3601 
Mae. SUSNDONNE foo yo. can 3098 | B. North End_... 3571 
B. Peak 0’ Mouse So eee 3875 |B Belle nok Mi max os 3394 
E: Table Mountain .-....-._- 3865 | B Graham Mt.—Dry Brook ._ 3886 
B. pve staaiencatte House 1945 |B Doubletop 2 Seer Sree 3875 
B. e Mt 3670 |B Segar’s house—Dry Brook. sak 
B, il Mt 3681|B. Molyneux House Porch -.. 13 
B. ‘seem Mt Cee 3778|B. | Guigou’s Boarding House - ae 
B, oodland, N.W. Beach’s H. 1140] B Pine Hill Village-.._..--- 1512 
B. Pate —. Lie B88 | Bs!) Undereliff . 0c 2. seis 2200 
B. 4206 | Bo) Rose Noteh 2220025520 2743 
B. ekg Noteh a: gcc0-4 2677|B Birch Kill Noteh 2.02. 22. 2334 
B.  Sprue 3567 | B Monkey Hill (Mucky) ----- 2489 
B. Regle 4 3560 |B t 3504 
Elevations above sapere Bh Rondout, by sett olin a Ulster & Delaware Railroad ; 
nicated a Geo. 2, Supt. 
Rondout _- halt ken 1069 
ingston “ Big Indian 1209 
West Hurley 540 | Summit 1886 
Olive-Branch 511 | Griffins’ Corners 1516 
Brooks Crossing 525 | Dean’s Pane 1344 
Brodhead’s Bridge _.... . ....-- 500 | Halcottville ---. 1399 
kan - - 533 | Str prattorie ad 1456 
Boiceville 598 | Roxbury 1497 
Mount Pleasant 690 | Grand Gorge 1570 
Phoenicia -_- 790 | Stamford - 1767 
Fox Hollow 996 
Arr. LVIIT.— Recent Explorations % in the Madde he io 
stone of Dutchess County, ; by Professor W. B. D 
Vassar College, Poughkeepsie, Bak. With plate XXL 
No. 3. Bgiaplonio ie! OF A NEW Dis oe BRACHIOPOD FROM 
NTON AT NEWBUR 
In ‘e recent BS on a locality of : ae limestone at New- 
burgh, ..* the writer mentioned his discovery of a new 
“Discina” at. this spot, reserving its description till a more 
thorough study could be made of it. I am happy to acknow]- 
edge my indebtedness in this’ a ea to the cordial and 
very valuable assistance o . P. Whitfield, especially in 
resolving the internal aniodersiene 
It has become girs that its features remove it from the 
genus Discina, to w had at first referred it, the chief 
points of Uninason! ‘Being the position of the peduncular 
groove in the more conical valve, while in Discina it occurs in 
* This Journal, January, 1880. 
