PISHES OF NEW YORK 375 



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Xyse in Gravesend bay and sent to the aquarium dead, as they 

 would not endure captivity. The fish agrees in coloration and 

 in every other respect with P. octofilis Gill, and is be- 

 lieved to be the adult form of P. o c t o n e m u s Girard. This 

 is probably the first record of its occurrence in New York waters 

 for more than 30 years. 



M E A S U R EM EXTS 



Inches 



Length, including caudal i 8% 



Length to end of middle caudal rays ; . . 7% 



Length to origin of middle caudal rays 6% 



Greatest depth of body 2 



Least depth of caudal peduncle 



Length of head 1% 



Length of snout A 



Diameter of eye A 



Length of upper jaw % 



Length of mandible % 



Length of longest pectoral filament. . . . .' 2% 



Length of upper and lower caudal lobes 2*4 



Length of pectoral V/ 2 



Length of longest (third) dorsal spine l^ 



Length of second dorsal ray l^ 



Length of ventral H 



Length of longest anal ray 1 



Length of anal base l T 7 e 



Length of base of first dorsal % 



Length of base of second dorsal 1% 



The longest pectoral filament reaches to below the inter- 

 space between the two dorsals and slightly past the vent. The 

 diameter of the eye equals the length of the snout and one fifth 

 the length of the head. 



Group AMMODYTOIDEI 

 Family AXIXIODYTIDAE 



Sand Lances 



Genus AMMODYTES (Artedi) Linnaeus 



Body elongate, lanceolate, the skin with many transverse 

 folds running obliquely downward and backward, the small 

 cycloid scales mostly placed in cross series between them; lat- 

 eral line concurrent with the back; a fold of the skin along each 

 side of the belly; vomer not armed with a bicuspid tooth; color 

 silvery; vertebrae 62 or 63; one pyloric caecum. Garnivorous 



