434 MR.J.¥. JOHNSON ON A NEW TRICHIUROID FISH. [May 9, 
black. Posterior wing transparent, with a broad black band along 
the outer margin; a row of fourteen brown spots within the band, 
between the nervules and close to the outer margin, the second to 
sixth and the eighth to fourteenth enclosing minute white spots; a 
row of ten brown spots between the marginal row and the inner edge 
of the black band, the second to fourth, sixth, ninth, and tenth en- 
closing white spots ; nervures black. Body—thorax black, spotted 
with white; abdomen black. 
Underside the same as above, except that white spots take the 
place of all the brown ones, and the abdomen is white. 
Hab. Philippine Islands. 
5. Descriprion or A New Genus or TricutvuroipD FisHEs os- 
TAINED AT MApErIRA, wiTad REMARKS ON THE GENUs D1- 
crorus, GUNTHER, AND ON SOME ALLIED GENERA OF TRI- 
cuiurip&. By James Yate Jounson, Corr. Mem. Z. 8. 
Order ACANTHOPTERYGII. 
Fam. TRICHIURID®. 
NEALOTUS, gen. nov. 
Body elongate, compressed, incompletely clothed with delicate 
scales. Cleft of the mouth deep. Small teeth in the jaws and on 
the palatine bones; none on the vomer. First dorsal fin continuous, 
extending to the second; finlets behind the second dorsal and anal 
fins. Each ventral fin represented by a single small spine. A 
dagger-shaped spine behind the vent. No keel on the tail. Caudal 
fin well developed. Seven branchiostegal rays. 
This genus may be entered in the synopsis of Trichiuroid genera 
in the ‘Catalogue of the Collection of Fishes in the British Museum’ 
thus :— 
Each ventral represented by a single spine ; a dagger-shaped spine 
behind the vent. 
NEALOTUS TRIPES, sp. n. 
First D. 21. Second D. 19. P.13. A.18. C. 16. 
The compressed body is very elongate, and has a few large deci- 
duous simple scales of delicate structure scattered here and there on 
the skin, which is faintly reticulated with oblique grooves or wrinkles, 
and has a steel-grey colour with a silvery lustre. The height of the 
body, compared with the total length, is as 1 to 93 ; whilst the length 
of the head, compared with the total length, is as 1 to44. he 
black compressed head is flattened above, and is concave between 
the eyes, where there are four low ridges, the inner pair of which 
enclose an elongated diamond-shaped space. The lower jaw is longer 
than the upper, and each is armed with a single series of small del- 
toid distant teeth. Those of the upper jaw are inserted in the pre- 
