Mr. R. Swinhoe on a Sun-fish from Formosa. 325 



7. Mabouia chinensis, Gray. 



Found near Tamsuy. Ascends plants, and basks among their 

 leaves in the sunshine. 



8. lapalura Swinhonis, Giiuther. 



One of the comb-backed tree-lizards; procured also at 

 Tamsuy. 



Ophidia (Snakes). 



9. Coluber rufodorsatus, Cant. 



From Tamsuy. 



10. Simotes Swinhonis, Giinther, Brit. Mus. Cat. 1863. 

 From Tamsuy. 



11. Tropidonotus annularis, Hallow. 

 From Tamsuy. 



12. Tropidonotus stolatus, L. 

 From Tamsuy. 



13. Bungarus semifasciatus, Kuhl. 



A black-and-white banded snake, also common at Amoy in 

 China. Frequently resorts to cellars and under houses, where 

 it feeds on rats. Its bite is very deadly. 



14. Pelamis bicolor, Schneid. 



Common about the coral-reefs at Kelung, North Formosa. 

 Is occasionally washed into the Tamsuy River. 



15. Halys Blomhojffi, Boie. 

 From Tamsuy. 



The few fish I brought home from South-west Formosa and 

 Tamsuy Dr. Giinther has not yet had time to determine. I 

 therefore cannot now give a hst of them. I will only add a few 

 remarks on a species of that extraordinary genus Orthagoriscus, 

 which is probably the same as that described from Japan in 

 Von Siebold's 'Fauna Japonica.^ 



Orthagoriscus, sp. (Sun-fish). 



On the 21st of March 1862, some six miles up the Tamsuy 

 River, a large fish was observed close to a ship in harbour. It 

 floated near the surface of the water, moving lazily along, 

 splashing about its dorsal flapper. It must have been injured; 

 for when a boat pulled up to it, it made no resistance, but 

 allowed itself to be taken hold of by the fin, and a rope to be 



