PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 305 

 Taile of measurements. 

 Species: Amiurus Dugcsii Bean. 



Current nnmber of specimen ■. 

 Collector's number 



23123. 

 13. 



23122. 

 13. 



Milli- 

 meters. 



Extreme len^h. 



Length to origin of middle caudal rays — 

 Body: 



Greatest height 



Greatest widt h 



Height at ventrals 



Length of caudal peduncle* 



Head: 



Greatest length 



Length of maxillary barbel 



Greatest width 



"Width of interorbital area 



Length of snout 



Extent of iutermaxUlary band of teeth 



Length of maxillary . . '. 



Length of posterior nasal barbel 



Distance from snout to orbit 



Diameter of orbit 



Dorsal (first) : 



Distance fi'om snout 



Length of base 



Length of first spine 



Lenirth of longest ray 



Length of last ray 



Dorsal (adipose) : 



Length of base 



Length 



Anal: 



Distance from snout 



Length of base 



Lengih of longest ray 



Length of last ray 



Caudal : " 



Length of middle rays 



Length of external rays 



Pectoral : 



Distance from snout 



Length of pectoral spine 



Length of pectoral 



Ventral : 



Distance from snout 



Length 



Branchiostegals 



Dorsal 



Anal •. 



Caudal 



Pectoral 



Ventral 



385 

 324 



55 

 60 

 56 



94 

 61 

 69 

 40 

 32 

 30 

 14 

 20 

 37 

 10 



124 

 27 

 31 

 47 

 20 



29 

 25 



206 

 71 

 37 

 16 



32 

 64 



84 

 38 

 48 



164 



37 



vni 



1,6 



22 



+ 17-1- 



L8 



1,7 



lOOths of 



length Milli- 

 without I meters. 



caudal. 



20.5 

 17 



18.5 

 17.3 



29 



19 



21 



12.5 



10 



9.5 



4.5 



6 

 11 



3.25 



38.5 

 8.5 

 9.5 



14.5 

 6 



9 

 7.66 



64 

 22 

 11.5 

 5 



10 

 20 



26 

 12 

 15 



51 



1L6 



356 

 300 



67 

 63 

 €4 

 47 



61 

 68 

 37 

 26 

 28 

 13 

 20 

 33 

 9 



116 

 27 

 34 

 47 

 21 



32 



24 



195 

 68 

 39 

 15 



30 

 65 



80 

 34 

 48 



155 

 35 



vni 



1,6 



21 



+ 17 + 



1,8 



1,7 



lOOths of 

 length 



without 

 caudal. 



22.3 

 17.5 

 21.5 

 15.5 



29 

 20.5 

 23 

 12.3 



8.66 



9.6 



4 



6.66 

 11 



3 



38.6 



9 

 11.5 

 16 



7 



11 



8 



65 



23 



13 



6 



10 



22 



27 



11. 33} 

 16 



52 

 12 



* From end of anal to origin of middle caudal rays. 

 United States Kational MusEim, 



Washington, December 20, 1879. 



Proc. Nat. Mus. 79 20 march 23, 1 880. 



