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Siparuni River: Levi Falls Creek.

West Africa.

Caribbean Sea.

Southport.

Shanghai.

Portland.

Orinoco.

Santa Cruz Island.

rio Amazonas, multiple sites in channels surrounding Ilha de Santana including between mouths of rio Vila Nova and Matapi [coordinates approximated].

Pen Branch Boardwalk, which crosses a portion of the delta along edge of Savannah River swamp about 0.8 km below entrance of Pen Branch into swamp.

Windward Islands; Barbados, (B.W.I.); St.James, south of Four Winds Club.

rio Xingu, channel of right major braid (Gorgulho da Rita), ca. 15 km south-southeast of Altamira.

SW of North Rock.

Potomac River; ca 2 mi below White's Ferry; Potomac River sta. 3.

Key West, Loop Lagoon.

Sonmiani Bay at and around mouth of Hab River, Arabian Sea

Siparuni River: Pakatnu Falls Creek.

Smith Island: ca 100 m E of BR81-8.

Dredged shipping channel below Key Bridge; a separate zone was defined to ensure sampling of deep water. Coordinates taken at center of narrow strip that defines this zone. Error radius is approx. 3000 m. in an east-west direction along the channel.

Morichal Zamorai (cano) between Rio Tauca and Rio Tiquire on Maripa-Ciudad Bolivar highway.

Escambia River; Escambia River Survey #1, sta. 15A [28 Oct–2 Nov 1952].

Savannah River Survey; a transect across river at Ring Jaw Point between mile 134.7 and 134.1, Savannah River sta. 6.

Siparuni River: Levi Falls.

Río Sardinata (Catatumbo Dr.), at and upstream of community of Tres Bocas [ex. field no. TTNSRS].

río Orinoco, near mouth of río Caura.

Puerto Ayacucho.

Port Castries, at Vigie Point; rocky cliffs.

Turk Reef; N side on drop-off into deep water.

Blackwater creek 5 minutes downstream from Burro Burro campsite.

Savannah River Survey; a transect across Savannah River at the dike between mile 157.6 and 157.3.

Stream into Lake Mozambique (Mozambique ranch), N of ranch house; Meta drainage.

Siparuni River: Red Hill Creek between Levi Falls and Blackwater camp (Iwokrama side).

NE of Veracruz; course 40 degrees.

Kiskiminitas River, a tributary of the Allegheny in western Pennsylvania.

Savannah River Survey; at transect across Savannah River between mi 175.1 and 174.8.

Burro Burro River: Deer Creek upriver from Water Dog Falls.

Turk Reef.

Dickerson Survey; Potomac River; ca 3/4mi above U.S. Route 15 Bridge & Point of Rocks.

Amirante Islands; Remire Reef, N and a bit E of Eagle Island; small patch corals on the flats.

Rio Yanayacu (trib R. Amazonas) at mouth of Cano Chincana & Emerald Forest Lodge, approx. 25 miles S of Iquitos.

Tennessee River, transect 4 miles south of bridge on US Rt. 70; Tennessee River sta. 1.

Cano on east side of R. Cunucunuma, ca. 63 km from confluence with R. Orinoco (from cano mouth to 1.0 km above

E.Shore NW of Gusaweta Kiriwina, Trobriand Island.

Cumberland River, ca 1 1/2 mi below Hills Island and almost at nautical mile 208; Cumberland River sta. 4.

rio Xingu (middle Volta Grande), vicinity of campsite in left major braid, ca. 55 km southeast of Altamira.

Saluda River

Rio Metica, ca 3 km SE of Hacienda Mozambique; Meta drainage.

Savannah River; a transect across river between mile 149.5 and 149.2.

igarapé Itaubinha, left bank trib rio Xingu ca. 8 km east of Vitória do Xingu.

Sandy Run, Holmesburg.