DISCUSSION OF SPECIES AND THEIR DISTRIBUTION. 



471 



Young specimens of this species were secured by the Blake from station cccxxvii, in 

 340 00' 30" N. lat., IGo 10' 30" W. Ion., at a depth fif 178 fathoms ; and from station cccxiv, 

 in 32° 24' N. lat., 78° 44' W. Ion., at a depth of 142 fathoms. 



The Fish Haick ohiaiuad specimens as follows : No. 29055, U. S. N. M., from station 

 1040, ill 38° 33' N. hit., 73° 18' W. Ion., at a depth of 104 fathoms; No. 29038, F. S. N. M., 

 from station 1047, in 38° 31' N. lat., 73° 21' W. long., at a depth of 156 fathoms; No. 28789, 

 IT. S. N. M., from station 940, in 39° 54' N. lat., 69° 51' 30" W. Ion., ..t a depth of 93 

 fathoms; No. 26023, U. S. N. M., from station 869, in 40° 02' 18" N. lat., .0° ^3' 06" W. Ion., 

 at a depth of 192 fathoms; No. 26030, from station 871, in 40° 02' 54" N. .at., 70° 23' 40 W. 

 Ion., at a depth of 115 tathoms. 



The Albatross obtained specimens from station 2264, in 37° 07' 50" N. lat., 74° 34' 20" 

 W. Ion., at a depth of 167 fathoms; station 2425, in :HJO 20' 24 N. lat., 74° 46' 30" W. Ion., 

 at a depth of 119 fathoms; and station 2426, in 36° 01' 30" N. lat., 74° 47' 30" W. Ion., at a 

 depth of 93 fathoms. 



TABLE OF MEASUREMENTS. 



Currt'Tit nomber of specimen , 

 Locality 



Extreme length 



Length to end of middle caudal rays 



Body : 



Greatest height at origin of dorsal 



Greatest width under pectorals 



Heiglit at ventrals 



Least height of tail 



Head : 



Greatest length 



Distance from snout to nape 



Greatest width 



Width of interorbital area 



Length of snout 



Length of operculum 



Length of maxillary 



Length of mandible 



Distance from snout to orl)it 



Diameter of orbit, longitudinal 



Width of mouth opening 



End of frontal spine to sympbysiH of maxillaries . 



Length of barbels ' 



Dorsal (spinous) : 



Distance from snout 



Length of base 



Greatest height, second spine 



Height at first spine 



Height at last spine 



Width of up]»er surface of occijiital phite 



Length of nppi r surface of nciipital phito . . .. 



Width of upper surface of nuchal j)late 



Length of upper surface of nuchal plate 



Anal ; 



Distance from snout 



Length of base 



Height at first spine 



Height at second spine 



Height at third spine 



Height at last spine 



Caudal : 



Lengt h of midde rays 



Length of external "rays : 



Pectoral; 



Distance from snout 



Length 



Teutral : 



Distance from snout 



Distance from symphysis of mandibles 



Length 



Isthmus 



Dorsal 



Anal . 



raiidal 



Pectoral 



Ventral 



Number of plates in lateral line 



From anterior edge of frontal plate to end of frontal spine . 



26,023. 

 869. 



Milli- 

 meters. 



300 

 272 



lOOths of 

 length. 



26,030, 

 871 (young). 



Milli. lOOths of 

 meters, length. 



100 



19.50 

 20 



19.50 

 2.75 



40.50 

 32. 75 

 29 



6.75 

 22. 50 : 

 10 



12. 50 I 

 21 I 



6.50 

 12 



7 

 29 



38.25 

 53.50 

 10.75 

 10 



3 



7 



4.75 



6. .50 



5 



53. 50 



36 

 3.50 

 6.50 



9.50 

 5 



33 

 18.25 



31 



37.25 

 17.50 

 15.50 

 VII, 18 

 18 

 16 

 2-f-lO 



6 

 28 



9.50 



100 



19 

 15 

 18 

 3 



39 

 36 

 30 

 12 

 18 



7 



14.50 

 13 

 19 

 10 

 13 



6 

 10 



40 



53.50 

 10.75 

 10 



6 

 12.50 



8 



6.25 



3 



51 

 40 



3 



7 



8 



4 



34 

 14 



30 

 40 

 20 

 15 

 VII, 18 

 18 



