﻿GEOLOGY AKD PALEONTOLOGY OF THE CANAL ZONEl. 127 



Station 5S,S2J. — Costa Rica. Banana River; eighth fossiliferous 

 zone below the uppermost one of the section. Probably equivalent 

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

 1911. Callineetes decUvis Rathbun. 



Station 5882h. — Costa Rica. Banana River; seventh fossiliferous 

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

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

 1911. Leucosilia hananeoisis Rathbun. 



Station 5882g. — Costa Rica. Banana River; sixth fossiliferous 

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

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

 1911. Leucosilia hananensis Rathbun. 



Station 5882 f. — Costa Rica. Banana River; fifth fossiliferous 

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

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

 1911. Leucosilia hananensis Rathbun. 



Catalogue No. 32^287, U .S .N .M .—Costdi Rica. Moin Hill, near 

 Limon. Probably equivalent to Gatun formation. Miocene series. 

 Collector, H. Pittier. CalUanassa moinensis Rathbun. 



Station 588Ji.d. — Costa Rica. Moin Hill; third fossiliferous zone 

 below the uppermost; just abo^e level of the rails in railway cut. 

 Probably equivalent to Gatun formation. Miocene series. Col- 

 lector, D. F. MacDonald; 1911. (.'aUlanassa moinensis Rathbun. 



Station 5906a. — Panama Canal Zone. Chagres River, 50 to 75 feet 

 below those of (I7c) "5905" in lighter colored limestone according- 

 to incomplete evidence. Pliocene series. Collector, D. F. Mac- 

 Donald; May, 1911. Balanus glyptopoma Pilsbry. 



Station 590o. — Panama Canal Zone. From across Chagres River 

 and probably 220 to 225 feet above level of river, top of hill opposite 

 AHiajuela. Gray tufaceous limestone. Pliocene series. Collector, 

 D. F. MacDonald ; May, 1911. Balanus glyptopoma Pilsbry. 



Station 4269. — Costa Rica. City of Port Limon. Port Limon 

 formation. Pliocene series. Collector, Dr. L. A. Wailes. Pa- 

 chycheles latus Rathbun. Petrolisthes avitu^ Rathbun. Galappa 

 costaHcana Rathbun. Heteractaea lunata (Milne Edwards and 

 Lucas). Cardisoma guanhumi Latreille. 



Station 5886. — Mexico. From the Sayula District of Chiapas. 

 On the Arroyo Chapapoapam. Pliocene series. Collectors, Dr. 

 C. W. Hayes and others, 1911. Balanus glyptopoma Pilsbry. 



Station 6038. — Panama Canal Zone. From black mud from lower 

 end of Gatun Locks. Pleistocene series. Collector, D. F. MacDon- 

 ald; 1911. Balanus ebumeus Gould. 



