Miscellaneous. 319 
_HetTrrocua@roprs, g. nov.—Maxillary teeth as in Cherops, for 
the most part amalgamated into a lamella; four free canine teeth in 
the intermaxillary and lower jaw in front of the lamella; sides of the 
head and ventral fins scaled; preeoperculum toothed ; cheeks not 
elevated ; dorsal spines 11; lateral line not interrupted. 
13. Heterocherops viridis. Sides of body green; scaleless por- 
tion of fins dark greenish blue; fourth dorsal spine higher than any 
of the rest. 
D; 1/11; A. 3/11; Ts lat. 42, 
14. Odax Hyrtlii—Preoperculum toothed on the hinder margin; 
a very large indigo-blue spot between the last dorsal spine and the 
sixth soft ray of the same fin; caudal yellowish, with a violet mar- 
gin; muzzle and cheeks with azure longitudinal streaks ; first dorsal 
spine not elongated. 
D, 18/12; A. 3/10; E. lat. 58; 
15. Lotella Schuettei.—Length of muzzle equal to that of the 
eye; first dorsal rather higher than second; vertical fins with black 
borders ; points of the rays in the same fins white. 
D. 5/60-62; A. 55-56; V.7; P. 25. 
RicHARDSONIA, g. nov.—Upper margin of mouth formed by the 
intermaxillary and maxillary bones; all the bones of the jaws, the 
tongue, vomer, palatal and pharyngeal bones armed with teeth. 
Ventrals of half the length of the body ; dorsal at the commencement 
of the last third of the length; anal placed in front of the small 
adipose fin ; eye of moderate size ; supplementary branchiee distinctly 
developed. Sp. Richardsonia retropinna, Rich. sp. 
16. Hemiramphus trilineatus.—Intermaxillaries twice as long as 
broad ; dorsal and anal of equal depth and length; ventrals short, 
without any elongated ray, situated nearer to the caudal than to the 
branchial aperture; three dark-blue longitudinal lines between the 
occiput and the dorsal. 
2/12 A52/1 05 21/10; 
17. Atopomycterus Bocagei.—Form of body roundish; head 
quadrangular; spines of various lengths, longest on the anterior 
frontal band, with two roots; head with small, belly with larger 
black spots. 
D: 23; AlT2: Pi 225°C: 1/7/l. 
18. Trygonoptera Miilleri—Disk elongate rotundate ; snout 
blunt; breadth of disk equal to length of body ; tail somewhat longer 
than body ; dorsal at some distance in front of the caudal spine. 
19. Trygonoptera Henlei.—Snout blunt ; disk considerably broader 
than long; lengths of tail and body equal ; dorsal fin placed imme- 
diately in front of caudal spine. 
20. Trygonoptera australis.—Disk broader than long ; tail rather 
longer than body. Posterior angle of disk obtusely rounded off ; 
ventrals considerably smaller than in 7’. ¢estacea ; anterior margin 
of disk convex. 
