1870.] SURGEON F. DAY ON ANDAMAN-ISLAND FISHES. 681 
24. AMBASSIS UROTANIA, Blkr. 
L. 1. 26. LL. tr. 4/10. 
Found at the Andamans and Nicobars. 
25. AMBASSIS DUSSUMIERI, CO. & V. 
Taken in salt water. 
26. AMBASSIS MACRACANTHUS, Blkr. 
Dees Vyas, Aa Re 
Length of head 2, of caudal 2, height of body + of the total length. 
Eyes. Diameter 4 of length of head, 4 of a diameter from end of 
snout. Anterior margin of orbit serrated, two spines at its posterior 
superior angle; preorbital serrated. A double serrature at the pre- 
opercle. Subopercle with four teeth at its angle. The maxilla 
extends to below the anterior third of the orbit. 
Teeth villiform. 
Fins. Second dorsal spine one-half the length of the body ; third 
anal spine the longest in that fin. 
Lateral line ceases after a few scales. 
Colours. Silvery, without any lateral stripe, except in preserved 
specimens. Second dorsal spine of a brilliant orange, the interspace 
between it and the third black. 
Hat. Andamans, in the estuaries. 
27. APOGON MULTIT&NIATUS, Blkr. 
le Pilon Vile. A os, Oat. L128, W. tr, 2k. 
Length of head 3, of caudal 3, height of body above 3 of the total 
length. 
Eyes. Diameter ? of length of head, 1 diameter from end of snout, 
? of a diameter apart. 
Lower limb of preopercle crenulated. 
Teeth large and widely set ; also villiform on vomer and palate. 
Fins. Second dorsal spine not 4 of height of body below it. 
Caudal forked. : 
Colours. Greyish, with nine dark brown longitudinal bands, three 
times as wide as the ground-colour, extending from the head nearly 
to the tail, which has a dark spot at its base. First dorsal black. 
Ventral nearly black, other fins red. Dorsal, caudal, and anal with 
dark margins. 
28. Apocon HYALOSoMA, Blkr. 
D.6|5. P.15.. V.1/5. A. 9/8. .C.17.. 1. 1. 24.1. te 2/82. 
Very common. Specimens captured up to 6 inches in length. 
29. Apocon orsicuLaris, Kuhl & V. Hasselt. 
Di6 Fe Pol2. Ved SSP Ae 2/9. C.F. LA 25, Ls te. 7 
Colours. Olive; a dark zone round the body in front of the first 
