U. S. NATIONAL MUSEUM 



BULLETIN 188 PLATE 8 



B 



Mf 



Two SPECIES OF SIAMESE GOBIES 



A, B, (Jobiodon vcrticalis AUcyne and Macleay, showing two color phases; C, Gohiodon 



rivulatus (Ruppell). Drawn b\- Luang Masya; courtesy of the Thailand Government. 



