CONTENTS 
1 Arevision of the cladoceran genus Simocephalus (Crustacea, Daphniidae) 
Marina J. Orlova-Bienkowskaja 
63 Structural niche, limb morphology and locomotion in lacertid lizards (Squamata, 
Lacertidae); a preliminary survey 
E.N. Arnold 
91 Hetereleotris georgegilli, a new species of gobiid fish, with notes on other Mauritian 
Hetereleotris species 
Anthony C. Gill 
97 Revision of Schismatorhynchos Bleeker, 1855 (Teleostei, Cyprinidae), with the description of 
two new species from Borneo 
Darrell J. Siebert and Agus H. Tjakrawidjaja 
Bulletin of The Natural History Museum 

ZOOLOGY SERIES 
Vol. 64, No. 1, June 1998 
