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 brown ; upper regions maculated with 

 black ; beneath unicolor and lighter. 



We know of no vernacular name for this species. 



List of specimens. 



9. LEPTOCOTTUS AKMATUS, 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 brown above, whitish beneath; 

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

 posteriorly ; ventrals and anal whitish. 



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



List of specimens. 



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. 



