220 Flat Fishes of Natal 
9. PARAPLAGUSIA ROBINSONI. 
~Plagusia robinsoni, Regan, Ann. Durban Mus. vol. ii, 1919; p. 203, 
fig. 6. 
Closely related to P. marmorata, but snout pointed, as long as head 
behind upper eye, and rostral hook shorter, its inner edge much less 
than length of snout. Dorsal 109-110. Anal 82-83. 
Durban. 
Total length 240 mm. A second specimen of 165 mm. is essentially 
similar to the type. 
2. CYNOGLOSSUS. 
Cynoglossus (Ham. Buch.), Giinth. Cat. Fish. IV, p. 492 (1862). 
Form elongate, ovate. Snout hooked; lips not fringed. Scales 
small: 2 or 3 lateral lines on left side. 
West Africa; Indo-Pacific. 
Synopsis of the Species. 
I. Two lateral lines on both sides ; scales ctenoid on left side, cycloid 
on right. Angle of mouth nearer to gill-opening than to end of 
snout; eyes separated by an interspace. D. 118. A. 92. 
Scales 84-88, 12 between lateral lines............. l. attenuatus. 
II. Two lateral lines on left side only ; scales ctenoid on both sides. 
A. Angle of mouth nearer to gill-opening than to end of 
snout; eyes separated by an interspace. D. 102-110. 
A. 82-86. Scales 85-90, 13 or 14 between lateral lines. 
2. lida. 
B. Angle of mouth nearer to end of snout than to gill- 
opening ; eyes contiguous. 
Depth 4 to 45 in length. D. 105-107. A. 82-84. 
14 scales between lateral lines...... 3. gichristi, 
Depth 3 in length. D. 102. A. 85. 10 scales 
between lateral lines................ 4. ecaudatus, 
