GASTROPODS: TROCHIDAE TO TURRITELLIDAE


No. USGS. used in Cenozoic Field tho No. No. report


Description of locality


 UPPER PART OF GATUN FORMATION, EASTERN AREA-continued

 177a 4895 Mount Hope, west side of Panama Railroad, Canal Zone. Ernest Howe, 1908. [Essentially same as locality 177.] Not plotted. 177b 5854 Mount Hope, west side of Panama Railroad near oil tanks, Canal Zone. D. F. MacDonald, 1911. [Essentially same as locality 177.] Not plotted.
 177e 5855 [West side of Panama Railroad] opposite Mount Hope Cemetery, Canal Zone. D. F. MacDonald, 1911. [Essentially same as locality 177.] Not plotted.
 177d 6036 Mount Hope, about 5( mile (270 meters) south of railroad station, Canal Zone. D. F. MacDonald and T. W. Vaughan, 1911 (MacDonald, 1919, p. 544, pl. 154). [Essentially same as locality 177.] Not plotted. 178 ---- Stanford University locality 2672.
 Old quarry % mile (1 kilometer) west-southwest of junction of Transisthmsian Highway and Coco Solo road, Canal Zone. Latitude 9'20' N., plus 2,000 feet (600 meters), longitude 79 53' W., plus 4,000 feet (1,200 meters). T. F. Thompson, 1943.

 UPPER PART OF GATUN FORMATION, WESTERN AREA

 179 8413 U-- Cpper edge of Chilas [Chila] village, Rio Indios [Indio], Panasd. D. D. Condit and Strohm, 1918. Plotted o figure 3.
 180 8362 Caribbean coast 8 miles (13 kilometers) west of Rio Indios [Indio], Panamd. Strohm, 1918. Plotted on figure 3. 181 8364 Caribbean coast 10 miles (16 kilometers) nest of Rio Indios [Indio], Panam. Strohm, 1918. Between locality 180 and Rio Miguel. Not plotted.
 182 8408 Caribbean coast east of San Miguel [Rio Miguel], station 25 plus 600 feet (150 meters), Panamit. E. R. Smith, 1918. [Between locality 180 and Rio Miguel.] Not plotted. 182a 8488 --- Caribbean coast east of San Miguel [Rio Miguel], station 25 plus 400 feet (120 meters), Panami. E. R. Smith, 1918. [Between locality 180 and Rio Mizuel.1 Not plotted.


No. USGS used in Ceozoic Field this No. No. report


183





184 185


186




186a 186b 187 188


188a 188b 188c


129


Description of locality


 UPPER PART OF GATUN FORMATION, WESTERN AREA--continued

 8487 -- -- Caribbean coast east of Rio San Miguel
 [Rio Miguel], station 4 plus 40 feet (12 meters), Panam,6. E. R. Smith, 1918. [Between locality 180 and Rio
 Miguel.] Not plotted.
 8363 -_---- Rio San Miguel [Rio Miguel] 4 miles
 (6.5 kilometers) above mouth, Panamsi. Strohm, 1918. Platted as
 figure 3.
 8383 ----__ Caribbean coast, west of Rio San
 Miguel [Rio Miguel], station 26 plus 100 (30 meters), Panamd. E. R.
 Smith, 1918. Location approximate.
 Plotted on figure 3.

 TORO LIMESTONE MEMBER OF CHAGRES SANDSTONE

 6037 _-_-- Coquina limestone at Toro Point, Canal Zone. D. F. MacDonald and T. W. Vaughan, 1911 (MacDonald,
 1919, p. 545).
 6675 ----- Coquina rock at Toro Point, Canal Zone. D. F. MacDonald, 1913.
 [Same as locality 186.] Not plotted. 8440 _--_-- Toro Point, Canal Zone. D. F. AacDonald and A. A. Olsson, 1918.
 [Same as locality 186.] Not plotted. .---------.-- Stanford University locality 2700. Between Limon Bay and Rio Chagres, Canal Zone. Latitude 9 18' N., plus 1,000 feet (300 meters), longitude
 79o56' W. T. F. Thompson, 1943. 16946 51 Rio Pifia road, 0.9 mile (1.4 kilometers)
 southwest of Gatun Dam spillway bridge, Canal Zone. Coquina limestone. T. F. Thompson and W. P.
 Woodring, 1947.
 5909 --- Limestone overlying Gatun formation west of Gatun Dam, Canal Zone. D.
 F. MacDonald, 1911. [Approxissately same as locality 188.] Not
 plotted.
 6034 ---- Top of ridge at west end of Gatun Dam, Canal Zone. D. F. MacDonald and T. W. Vaughan, 1911 (MacDonald, 1919, p. 543). [Approximately same
 as locality 188.] Not plotted.
 6668 -----_ Coquina limestone on crest of ridge west of Gatun Dam, Canal Zone. D.
 F. MacDonald, 1913. [Approxisately same as locality 188.] Not
 plotted.