532 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 

 Table of liroportionate measurements. 



Locality. 



Point Reyes, Cal. 



Inches lOOtks 



and of 



lOOths. lenath. 



Extreme length 



Length to base of middle caudal ravs 



Body: 



Greatest height 



Least height of tail 



Length of caudal xiedunolo 



Preopercular spine 



Head : 



Greatest length to tip of opercular spine. 



Distance from snout to nape , 



Great'jst depth at occiput 



"Width of interorbital area 



Length of snout 



Length uf operculum to end of spine 



Lengt li of maxillary 



Length of mandible 



Occipital process 



Diameter of orbit 



Dorsal : 



Distance from snout 



Leui:th of base 



Hc'iuht at third spine 



(Soft) leu'.;th of base 



Height at longest ray 



Height at last ray 



Anal: 



Distance from snout 



Length of base 



Heiglit at longest ray 



Caudal : 



Length of middle raya 



Length of external rays 



Pectoral: 



Upper appendage 



Second appendage 



Tliird appendage ^ , 



Lenuth , 



Ventral : 



Distance from snout , 



Length 



Branchiostegals , 



Dorsal 



Anal 



Pectoral 



Xumber of scales in lateral line 



7.60 

 6.35 



26 



7 

 15 



4 



41 



28 



22 



7 



15^ 



10 



20 

 ''i 

 8J 



36i 

 25i 

 17 

 28 

 15 

 7 



C2 



26 

 llj 



21 



25 



21 

 17i 



47i 



32 



25 



VII 



X-12 



I-IO 



13-III 



54 



San Francisco, Cal., Novcmher 15, 1880. 



THE FRSOATE: 7IA€KE:RE:1L, ArXBSROCJSEI, OIV THE NEW EJNGIiAND 



COAST. 



By G. BROWi^ G<>01>E. 



The United States Fisli Commission bas obtained numerous speci- 

 mens of a fish before entirely unknown in the Western Atlantic. Tbis 

 is the frig:ate mackerel, Auxis Rochei, twenty-eigbt barrels of wbiek 

 were taken in a mackerel seine ten miles east of Block Island, on the 

 3d of August, by the schooner "American Eagle", Capt. Josiab Chase, of 

 Provincetown, Mass. 



The frigate mackerel resembles, in some particulars, the common 

 mackerel ; in others, the bouito — the genus Auxis being intermediate in 



