Proceedings of The Academy of Natural Sciences (Vol. LXXXIX, 1937) |
What people are saying - Write a review
We haven't found any reviews in the usual places.
Common terms and phrases
abdomen Africa anal angles apex apical arcuate band Bangkok barbel basal base Belgian Congo blackish body branched ray broad broadly brown caudal caudal base cephalic close collection color complete Congo dark depth described differs disk distal distinct distinctly District dorsal edge elev entire equal evident extends female femora field figure fish front genus Gill gray greatest width half head hind interorbital July larger lateral line least length less lips lobes lower male margin marked material maxillary Measurements median moderately narrow nearly oblique origin pair pale paratype pectoral plate portion present pronotum proximal rays reaches region relatively River rounded Scales seen short side slender slightly snout species specimens spine sternite straight surface teeth tegmina third transverse ultimate tergite upper Variation vein ventral whitish wings