﻿126 BULLETIN 103, UNITED STAl-ES NATIONAL MUSEUM. 



Station 6019g. — Panama Canal Zone. Las Cascadas section, Gail- 

 lard Cut. Fifth or topmost limestone. Emperador limestone. Oli- 

 gocene series. Collectors, D. F. MacDonald and T. W. Vaughan; 

 1911. MaGrobraclimm^ species. C allianassa tenuis Rathbun. Mur- 

 sia macdonaldi Rathbim. Parthenope panamensis Rathbun. 



Station 6003. — Panama Canal Zone. Gatun section A, bed A (bot- 

 tom of section). Gatun formation (lower part). Miocene series. 

 Collector, D. F. MacDonald. Callianassn crassa Rathbun. 



Station 6029a. — Panama Canal Zone. One-fourth to one-half mile 

 beyond Camp Cotton toward Monte Lirio. From lowest horizon in 

 big cut. Gatun formation (lower part). Miocene series. Col- 

 lectors, D. F. MacDonald and T. W. Vaughan; 1911. C allianassa 

 'vav.gho,ni Rathbun. 



Station 00331). — Panama Canal Zone. Gatun section. Upper part 

 of lowest bed. Gatun formation. Miocene series. Collectors, D. F. 

 MacDonald and T. W. Vaughan; 1911. Lepas injudicata Pilsbry. 

 f Gatunia proavita Rathbun. 



Station 6030. — Panama Canal Zone. One and one-half to 2 miles 

 beyond Camp Cotton toward Monte Lirio. From 85-foot cut on 

 north side of big swamp on relocated line, P. R. R. Gatun formation. 

 Miocene series. Collectors, D. F. MacDonald and T. W. Vauglian: 

 1911. Balanus concavus rai^iseptatus Pilsbry. CaUianasm oaughani 

 Rathbun Gatunia proamta Rathbun. 



Station 5900. — Panama Canal Zone. Gatun Locks. Gatun forma- 

 tion. Miocene series. Collector, D. F. MacDonald; May, 1911. 

 Gatunia proavita Rathbun. 



Catalogue No. 1]3706^ U.S.N.M. — Panama Canal Zone. Near Ga- 

 tun. Gatun format ion(?). Miocene series. Labeled "Miocene." 

 Collector, Rev. J. Rowell. Gatunia proavita Rathbun. 



Station 5659. — Panama Canal Zone. Near Gatun Dam. Gatun 

 formation. Miocene series. Collector, one of the workmen ; shipped 

 by D. F. MacDonald; 1911. Gatunia proavita Rathbun. 



Catalogue No. 135218, ?7./S.iV.ill/.— Panama Canal Zone. Gatun 

 beds. Gatun formation. Miocene series. Collector, R. T. Hill. 

 C allianassa Mlli Rathbun. 



Catalogue No. 135219, Z/./S'.yV.ill/.— Panama Canal Zone. Gatun 

 beds. Gatun formation. Miocene series. Collector, R. T. Hill. 

 Mursilia ecHstata Rathbun. 



Station 5S82k. — Costa Rica. IJanana River; tenth fossiliferous 

 zone below the uppermost one of the section. Probably equivalent 

 to Gatun formation. Miocene series. Collector, D. F. MacDonald; 

 1911. Euphylax fortis Rathbun. 



Station 5882 j. — Costa Rica. Banana River; ninth fossiliferous 

 zone below the uppermost one of the section. Probably equivalent to 

 Gatun formation. Miocene series. Collector, D. F. MacDonald; 

 1911. Euphylax callinectias Rathbun. 



