614 DESCRIPTIVE CATALOGIJE OF AUSTRALIAN FISHES, 



Tiniforin pale yellowisli-red, tlie fins sometimes very slightly 

 darker ; a broad purplish spot at the root of the pectorals. 

 Endeavour Eiver. Cape Sidmouth. 



Genus Periophthalmijs, B1. 



Body subcylindrical, covered with ctenoid scales of moderate 

 size ; head oblong with the cleft of the mouth nearly horizontal 

 and with the upper jaw somewhat longer. Eyes very close 

 together, very prominent, with the outer eyelid very well 

 developed. Teeth conical, in both jaws vertical. Two dorsal 

 fins ; caudal with the lower margin obKquely truncated. Base 

 of pectoral fin large, muscular and scaly. Ventrals more or less 

 united. Grill- openings rather narrow ; branchiostegals five ; air- 

 bladder absent ; pseudobranchise rudimentary ; a slit behind the 

 fourth gill. 



Low coasts and river mouths of tropical seas. 



510. Periophthalmus Koelreuteri, B1. 

 Gunth., Cat. Fishes III., p. 97. 



B. 5. D. 10-16/12, A. II. L. lat. 90-100. Vert.il/15. 



The second dorsal fin with a black, generally white-edged, 

 longitudinal band on its upper half. The first dorsal not, or 

 sometimes in young individuals, only slightly produced. About 

 twenty teeth in each jaw. Ventrals separated from each other 

 in adult and immature specimens. 



Port Darwin. Katow. Torres Straits. 



511. Periophthalmus australis, Casteln. 



Eesearches on the Fishes of Australia, p. 22. — Proc. Linn. Soc. 

 N. S. Wales, Vol. III., p. 48. 



'' The Climhing Fish " of the Northern Queensland Settlers. 



D. 3/12. A. 12. L, lat. about 50. 



