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. 
Catalogue 
No. of 
Sex and 
Locality. 
When 
Collected by— 
Original 
Nature of speci- 
number. 
specimens. 
age. 
collected. 
number. 
mens. 
300 
4 
8 9 
S. Farallones, Cal.- 
1855 
Lieut. Trowbridge_ 
Alcoholic. 
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 brown 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. 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number 
Nature of spe¬ 
cimens. 
311 
i 
Adult. 
San Francisco, Cal._ 
1855 
Dr. Newberry.. 
Alcoholic. 
10. LEIOCOTTUS HIRUNDO, Grd. 
Plate XVI, figs. 2 and 3. — General Report upon Fishes. 
Snout declivous and rather pointed ; posterior extremity of 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. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of spe¬ 
cimens. 
313 
i 
Adult. 
Island of San Miguel, Cal. 
1855 
Lieut. Trowbridge... 
Alcoholic. 
