Densities ranged from 0-76 burrows per square meter, mean densities 

 being 7.88 within the brackish-water marsh and 14.35 within the salt- 

 water marsh. The crab was not obtained by sampling the freshwater 

 marsh. (A. A.) 



Keywords: fiddler crab, marsh plants, estuaries, Virginia 



V-E-3 



Wolf, P.L., S.F. Shanholtzer, and R.J. Reimold. 1975. Population estimates 



for Ilea pugnax (Smith, 1870) on the Duplin Estuary Marsh, Georgia, U.S.A. 



Crustaceana 29:79-91. 



The study demonstrates that the technique of removal sampling can 

 be modified for sampling populations other than small mammal populations 

 for which it has been chiefly used. Sampling by removal was tested 

 and applied to the Duplin Estuary Marsh to obtain an estimate of the 

 population size and biomass of Uca pugnax . The mean population of 

 the 1,975-ha. marsh was 205 crabs per square meter. Mean estimated 

 wet weight of crabs per square meter was 41.6 + 9.4 g. The mean 

 estimated dry weight of crabs per square meter was 9.9 +2.3 g. 

 An estimated caloric value of 22.2 kcal"^ was obtained. (B.W.) 



Keywords: fiddler crab, estuaries, salt marshes, Georgia 



V-E-4 



Hedgpeth, J.W. 1950. Notes on the marine invertebrate fauna of salt 

 flat areas in Aransas National Wildlife Refuge, Texas. Publications 

 of the Institute of Marine Science, University of Texas 1:103-119. 



This paper is a result of an ecological survey of the salt marsh 

 areas of the lower part of the Aransas National Wildlife Refuge, Texas. 

 The purpose of the study was to ascertain the food resources of this 

 area for large wading birds, particularly the whooping crane ( Grus 

 americana ) . 



Several species of large birds, including herons, ibises, roseate 

 spoonbills, white pelicans and numerous smaller shore and wading birds 

 frequent the area. Numerous tracks indicate a thriving population of 

 raccoons and armadillos. Snakes and turtles also occur. The pre- 

 dominant element of fish fauna of the ponds on these flats is composed 

 of cyprinodontids of various species, with occasional influxes of 

 mullet from the bay waters. 



The invertebrate fauna is not rich in species although certain forms, 

 especially the worms, grass shrimp and blue crab, are often abundant. 



264 



