12 



ZOOLOGY. 



8. OLIGOCOTTUS GLOBICEPS, Grd. 



General Report upon Fishes. 



Head rounded anteriorly. Mouth moderately cleft ; posterior extremity of maxillary extend- 

 ing to a vertical line drawn posteriorly to the pupil. Rudimentary spines upon the preopercle. 

 Two acute nasal spines. Dorsal fins separated. Origin of anal situated a little posteriorly to 

 the anterior margin of the second dorsal fin. Reddish hrown ; upper regions maculated with 

 hlack ; heneath unicolCr and lighter. 



We know of no vernacular name for this species. 



List of specimens. 



9. LEPTOCOTTUS ARMATUS, Grd. 



Plate XV, fig. 2. — General Report upon Fishes. 



Head much depressed ; upper jaw longer than the lower ; posterior extremity of maxillary 

 extending a little beyond the vertical of the posterior rim of the orbit. A preopercular pro- 

 cess, provided with three spines, directed upwards. Blackish hrown above, whitish beneath ; 

 dorsals, caudal, and pectorals yellowish, barred with black ; anterior dorsal with a black spot 

 posteriorly ; ventrals and anal whitish. 



" Marine Bull Head" is a name applied to this and other species of the same family. 



10. LEIOCOTTUS HIRUNDO, Grd. 



Plate XVI, figs. 2 and 3. — General Report upon Fishes. 



Snout declivous and rather pointed ; posterior extremy o f maxillary provided with two or 

 three barbels, and reaching a vertical line drawn a little beyond the anterior rim of the orbit. 

 Superior regions blackish brown ; whitish under the abdomen, and yellowish under the tail. 



List of specimens. 



