ZOOLOGY. 
25 
extending to a vertical line intersecting the pupil. Anterior rays of dorsal fin gradually 
increasing in height; dorsal and anal fins nearly even posteriorly ; origin of anal situated on 
a line passing immediately behind the base of the pectorals, and preceded by a very small 
spine. Scales moderate in size ; lateral line almost straight from head to tail. Ground color of 
a soiled yellow, the scales being margined with black. 
List of specimens. 
Catalogue 
No. of 
Sex and 
Locality. 
When 
Collected by— 
Original 
Nature of spe- 
number. 
specimens. 
age. 
collected. 
number. 
ciinens. 
611 
4 
Adult. 
Coast of California_ 
1853 
Lieut. Trowbridge_ 
Alcoholic. 
XV. FAMILY EMBIOTOCOIDJL 
44. EMBIOTOCA LINEATA, Grd. 
Plate XXXI and Plate XXYI, figs. 5 and 6.— General Report upon Fishes. 
Body subelliptically elongated ; anal fin elongated, with its external margin nearly straight, 
diminishing gradually in depth posteriorly, its origin being situated opposite the sixth articu¬ 
lated ray of the dorsal; tip of pectorals reaching a vertical line intersecting the base of the 
last hut one dorsal spine. Eye of medium size ; posterior extremity of maxillary even with the 
vertical of anterior rim of orbit; frontal region slightly depressed above the eyes ; brancliio- 
stegals five in number. Sixty two scales in the lateral line. Ground color of upper region dark 
olive or reddish brown ; reddish yellow beneath ; sides of abdomen with light longitudinal 
stripes intersecting the point of union of the rows of scales ; anal deep purple, with a yellowish 
vitta along its base. 
This and the following four species belong to the tribe of “viviparous fishes.” 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of spe¬ 
cimens. 
536 
i 
Young. 
San Francisco, Cal... 
...1855... 
Dr. Newberry. 
Alcoholic. 
45. EMBIOTOCA ARGYROSOMA, Grd. 
General Report upon Fishes. 
General aspect elongated ; head rather small, subconical, anteriorly rounded ; eye circular 
and well developed ; posterior extremity of maxillary reaching a vertical line drawn in advance 
of the anterior rim of the orbit. Tip of pectoral fin not extending as far as the anterior articu¬ 
lated rays of the dorsal. About sixty scales in the lateral line. Six hranchiostegals. A brilliant 
r gentine tint over the entire body, though made a little darker along the dorsal region by a 
greyish or purplish hue ; fins olivaceous, unicolor. 
4 BB 
