232 TRACHINID^. 



1. Leptoscopus macropygus. 



Uranoscopus macropygos, Richards, Voy. JEreb. ^- Terr. Ichthyul. p. 55, 



pi. 33. r. 4-6. 

 Leptoscopus macropygus, Gill, I. c. 



D. 31. A. 36. L. lat. 86 (43). 



The scales of the lateral Hne twice as large as those of the ad- 

 joining series, each corresponding to two transverse series. The 

 upper half of the head and body olive, mottled with hrown ; lateral 

 line brown. 



Port Jackson. 



a. Fine specimen, and type of the species. From the Haslar Col- 

 lection. 



Second Group. TRACHININAt. 



Eyes more or less lateral. Head not cuirassed. Lateral line con- 

 tinuous. IntermaxiDary without larger tooth on its posterior portion. 



Synopsis of the Oenera. 



* Body with scales. 



Cleft of the mouth very oblique, wide. Two dorsals; 



ventrals jugular. Palatine teeth 6. Traciiinus. 



One dorsal, more or less continuous ; ventrals a little 

 before the pectorals. Canine teeth in the jaws ; no 

 palatine teeth 7. Percis. 



Cleft of the mouth slightly oblique. Two dorsals ; ven- 

 trals jugular, with one spine and five soft rays. Vo- 

 merine teeth 8. Apiiriti.s. 



Muciferous system of the head well developed. Ventrals 



tlioracie. No palatine teeth 9. Sillago. 



Two dorsals ; ventrals jugular ; no teeth at all on the 



palate 10. Eleginus. 



Ventral with one spine and six soft rays ; teeth cardiform 11. Encorus. 



Cleft of the mouth horizontal, with the lower jaw very 

 prominent. Two dorsals ; ventrals jugi Jar. Pala- 

 tine teeth ; canines very strong 12. Percophis. 



** Body without scales. 

 Snout very large, spatuliform 13. Chaniciithys. 



Snout short ; bones of the head without externally visible 



armature 14. Boviciithys. 



Snout short. Prncorbital and prseoperculum armed 15. Trichodon. 



t Homalopomus trowbridgii, Girard, Proc. Acad. Nat. Sc. Philad., appears to 

 belong to this group. — Western coasts of the United States. 



