‘ 
532 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 
Table of proportionate measurements. ’ 
Locality....-. One een ene comet een ee een ene nen wenn neem e ne wane ne cen new nen en enn n cane Point Reyes, Cal, 
Inches | 00g 
and 
100ths. ei 
lobbies) WG Noe Sob eednan seated soci aa cose sya SoS coped anroSso acuece seoSstospacessae soc Vela). Etaatinee 
Length to base of middle caudal rays BEE one n cannes ca eeemaseciaraeece sec erentormcaceieed 6. 35 100 
Body: 
Greabestihel ch tess. eee eect aene= Her Creare era er es aa= seein sane eeiee eee ace nae Mere eee 26 
Meastiheiehp of tail cess. 2-2 secee cs a2 ns osissen sees ec eece sceneecse see eeceee as teeemeee 7 
Length of oe ieed tals overt hone Gye 8 eo aes coos oad’ corinne seeceososeanootnstapeabocdo-sellorcranioc 15 
Leen Ne KOMEN E Sy NEO eo oe So sod od Sea bbob sae 35 Ses OodSsEEsbanescdhbadonssossase5 acanaded| beddaess 4 
Head: 
Greatest length to tip of opercular spine 41 
Distance from snout to nape .---.---.------ 3 i 28 
Greatest depth at occiput -.--.-.- : 22 
Width of interorbital area ...-..... i 
IOS OAD OLE SRY. SScophnossonb assoc nese sbosonss coed scaeSsedreic ood sonaknosscesebsesel|Sssouncci 154 
Lensth ofoperculum) torendlofispine 24 s522)5. [22s eee sae ee hee cease eaten ee endoee|eeceeeer ‘143 
iheneth of maxillary = occas <gacg soe cer/-woeto eq a- success coee re ne cane ma wacp tenemos beereees 16 
Length OLIMANOIDMNOr sec oe decease -e kn tememeisct Halitso dee ce cata cle oclbeetenecicm eee materials 20 
Occipitalpnocess-ess seca eee mee eee anne eas oer ee ne meee ecme seer tae = sian eaters 7z 
Diameter OL OLvit ..sscs once cestlicess cconsecederccdsemcke cece sabi cee pcs cas scons sesalaenee see 8} 
Dorsal: 
Distance fromisnout «2+ cuncccn. Seas ct tee cct tte. eae eeesatpmiaes sene cece ccastece See lbeces cme 36 
MenciW Ot bisiecrescicce sche ce ae eice bisa a erences nape aeiace ain ee eee eon eteetets | oe aes 254 
Height at third spine e2----.---6+- sees —-== eb nas toeheM ec eaeeee noone ceete eee eee eee 17 
(Soft) lenothot base.s- ~ 22 senccem--snceecisc obese tse ebelce tappamnescaeen ose Serer etree tee 28 
TSE nei eRe Ee Sears aD Semnec O+- COGS SOSU Ie Ia SAS onCocade So aesbooadeascasasarllesadsied 15 
lelerraloi pam ES eh 8 oo acesee Core Ao cona eS OOnos GOnODaScOnnssosaduenosderdosocncceedo|Socencas 7 
Anal: 
Distance fromisnowt \scse sc « sem dlersnic Gag gee gees Gor oe ewneanotaceulta Ramdas mmioe eniebeeat ae sectors 62 
Length of base .......... See eras Lo See co cies 2 relic oe Ree eee oe nee ae eee one | ne 26 
Meightiat longest Layiite teats jan 's oad eene tele ose bls eeeneectenaae st eeaae cence tamaaates 114 
Caudal: 
mene thot middlewaysi.-¢-qsasccce ee an kee eon cee as tola serene eet iemcee eae ts | eee cine ae 21 
Leneth of external TEN Sot Baan bos DOCS SOE Con RE ROS OS Hes On DucEo ES SUbOSaaasnEasaaods|looodecas 25 
Pectoral: 
Upper appendage 25 
Second appendage 21 
Third appendare c+ csece ee cisee eee gleiewee emer rece mne 173 
Deng th prea ase seen nk oe acacia one e cuncloe teac ant ates Caeees meen ee saceesies 474 
Ventral: 
Distance from snout 32 
Geneth) sce cas case woes ace ted malagceep ach ean ace mass amnioeebase-caseoseeesinge meme 25 
BrancMigster alse cus soot eee cee meee soe oes othe comet cae eet em meee samo aeecstjer cies eect VIL 
ADIs) ape eas Seen ye eae Oe Se ee ee ee het ee Oe eee SERRE Em aac 26 X-12 
Wry calles Nee ee RA NEA Da REE 2 RR ERP DE PARE REG Cs AAG Oe ee ee ee nae eee | eer I-10 
PeCtOTal Hes ee Sysco aoe ee OS eee eter cha are ee ioe Boisaletos Ge cleleee Siete s clnmaleeemne emis | aeieteets 13-IIL 
Numberiof scales im lateral line od. acc cee wesenoe cc acee «coe eec eas spent amin seca cieeae onl eerste 54 
SAN FRANCISCO, CAL., November 15, 1880. 
THE FRIGATE MACKEREL, AUXIS ROCHEL, ON THE NEW ENGLAND 
COAST. 
By G BROWN GOODE. 
The United States Fish Commission has obtained numerous speci- 
mens of a fish before entirely unknown in the Western Atlantic. This 
is the frigate mackerel, Auris Rochei, twenty-eight barrels of which 
were taken in a mackerel-seine ten miles east of Block Island, on the 
3d of August, by the schooner “American Eagle”, Capt. Josiah Chase, of 
Provincetown, Mass. 
The frigate mackerel resembles, in some particulars, the common 
mackerel; in others, the bonito—the genus Au«is being intermediate in 
