ElkR.: Aug. 4, 1955, (49), C.U. 29098. 



Sassafras R.: Buoy #6, Sept. 15, 1955, 

 (15), C.U. 29718; Ordinary Pt., Sept. 15, 1955, 

 (48), C.U. 29690. 



Middle. R.: Piney Pt. Bar, Sept. 28, 

 1955, (15), C.U. 29697. 



BackR.: Back R. Bridge, Sept. 28, 1955, 

 (19), C.U. 29674; Witchcoat Rt . , Sept. 28, 1955, 

 (22), C.U. 29677. 



Patapsco R. System: Curtis Cr., Sept. 

 26, 1955, (4), C.U. 29722; Stoney Cr., Sept. 22, 

 1955, (8), C.U. 29686; Stoney Cr., Sept. 22, 

 1955, (2), C.U. 29701; Curtis Cr., Sept. 26, 

 1955, (1), C.U. 29684; Marley Cr., Sept. 26, 

 (3), C.U. 29688; Curtis Bay, SleddsPt., Sept. 

 26, 1955, (2), C.U^ 29700; Stoney Cr., Sept. 22, 

 (29), C.U. 29717. 



Chester R., 1955: 2-1/2 miles below 

 Chestertown, Aug. 4, (34), C.U. 28812; Hail Pt., 

 Sept. 6, (16), C.U. 29709; Near Bay #35, Sept. 

 16, (2), C.U. 29693; Wilner Pt., Sept. 16, (1), 

 C.U. 29720; Below Chestertown Yacht Club, Sept . 

 16, (2), C.U. 29706; Piney Pt., Sept. 16, (3), 

 C.U. 29708; Milton Pt., Sept. 16, (8), C.U. 

 29719. 



Severn River System, 1955: Old Hatch- 

 ery, July 17, (5), C.U. 29771; LongPt., July 28, 

 (1), C.U. 29793; Epping Forest, July 28 (3), 

 C.U. 29776; Mathews Pt., July 27, (6), C.U. 

 29784; Little Round Bay Cr., July 28, (1), C.U. 

 29765; Springer., July 20, (4), C.U. 29779; 1 

 mi. above Old Hatchery, July 27, (3), C.U. 

 29764; Saltwater Cr., July 28, (1), C. U. 29780; 

 Valentine Cr., July 27, (4), C.U. 29774; Severn - 

 side, July 29, (1), C.U. 29790; Sherwood Forest, 

 July 29, (2), C.U. 29777; Rt. 301 bridge, Aug. 9, 

 (1), C.U. 29767; PooseyCr., July 29, (1), C.U. 

 29766; Rock Cove, July 27, (2), C.U. 29768, 



Miles R., 1955: Miles R. Bridge, Aug. 

 25, (3), C.U. 29685; Mouth Royal Oak Cr., 

 Aug. 25, (3), C.U. 29682; Yacht Club, Aug. 25, 

 (5), C.U. 29704; Miles R. Bridge, Aug. 26,(7), 

 C.U. 29672; Miles R. Bridge, Aug. 26, (7), 

 C.U. 29687; Miles R. Bridge, Aug. 26, (13), 

 C.U. 29696. 



Choptank R . : 1 mi . below Ganey Wharf, 

 Aug. 3, 1955, (44), C.U. 28756. 



Patuxent R. System: Prince Frederick, 

 Aug. 27, 1953, (36), C.U. 23507; 1955: St. Leon- 

 ard Cr.. Aug. 5, (3), C.U. 29769; PX40, July22, 

 (1), C.U. 29770; Below first bend, July 13, (2), 

 C.U. 29773; PX21, Sept. 16, (2), C.U. 29772; 

 Battle Cr. at Resthaven, Aug. 10, (1), C.U. 

 29783; Kaylor's Landing, Sept. 15, (1), C. U. 

 29792; Battle Cr., Aug. 10, (8), C.U. 29778; 

 PX21, June 17, (1), C.U. 29788; PX22. June 17, 

 (1), C.U. 29786; Mill Cr., Aug. 4, (1), C.U. 

 29775; Nottinghan, Sept. 15, (1), C.U. 29791; 

 PX40, July 13, (1), C.U. 29787; Holland Pt.. 

 Sept. 16, (1), C.U. 29789; Holland Beach, Aug. 8, 

 (3), C.U. 29785; PX40, July 22, (12), C.U. 29781; 

 PX34, July 26, (17), C.U. 29782. 



NanticokeR., 1955: Sandy Hill Beach, 

 Aug. 2, (16), C.U. 28712; Lewis Wharf, Aug. 2, 

 (11), C.U. 28724; Sharptown, Aug. 3, (50), C.U. 

 28751. 



Wicomico R., 1955: Greenhill Church, 

 Aug. 2, (50), C.U. 29096. 



Potomac R. System: Fort Belvoir, Oct. 

 13, 1948, (18), C.U. 28996; Toll Bridge on Rt. 

 301, Oct. 30, 1953, (12), C.U. 25568; 1955: 

 Liverpool Pt., Oct. 18, (13), C.U. 29687; Quan- 

 tico, Oct. 18, (22), C.U. 29723; Wicomico R. 

 Oct. 18, (29), C.U. 29680; Wicomico R. at Rock 

 Pt., Oct. 18, (27), C.U. 29676; Morgan Haven, 

 Oct. 18, (31), C.U. 29679; St. Georges Cr., 

 Oct. 19, (33), C.U. 29673; Fanwick, Oct. 19, 

 (12), C.U. 29681. 



Crisfield, Md.: Aug. 10-11, 1948, (7), 

 U. Md. 2128; Aug. 10-11, 1949, (39), U. Md. 

 3055; July 12-14, 1949, (11), U. Md. 2934; Sept. 

 12, 1949, (1), U. Md. 3108; July 26, 1949, (11), 

 U. Md. 2961; 1951: Oct. 5, (1), U. Md. 3931; 

 Aug. 8 (6), U. Md. 3755; Aug. 30, (2), U. Md. 

 3794; Aug. 29, (3), U. Md. 3703; July 11, (11), 

 U. Md. 3609; July 10, (9), U. Md. 3588; July 10, 

 (2), U. Md. 3377; July 9, 1952, (23), U. Md. 

 3658. 



Rappahannock R. System, Va.: Betw. 

 Tappahannock and Fredricksburg, Aug. 23-25, 

 1951, (10), not catalogued; Saunders Wharf, 



