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. 



XV. FAMILY EMBIOTOCOIDiE. 



44. EMBIOTOCA LINEATA, Grd. 



\ 



Plate XXXI and Plate XXVI, 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 but 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 ; branchio- 

 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. 



45. EMBIOTOCA ARGYROSOMA, Grd. 



General Report upon Fishes. 



General aspect elongated ; head rather small, subcorneal, 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 branchiostegals. A brilliant 

 r ge ntine tiut over the entire body, though made a little darker along the dorsal region by a 

 greyish or purplish hue ; fins olivaceous, unicolor. 

 4BB 



