PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Table of measurements. 



Species: Amiurus Dugisii Bean. 



305 



Cnrrent number of specimen . 

 Collector's number 



23123. 

 13. 



Milli- 

 meters. 



lOOths of 

 lenfrth 



without 

 caudal. 



Milli- 

 meters. 



lOOtbsof 

 length 



without 

 caudal. 



Extreme length 



Length to origin of middle caudal rays .... 

 Body: 



Greatest height 



Greatest width 



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 intermaxillary band of teeth 



Length of maxillary 



Length of posterior nasal barbel 



Distance from snout to orbit 



Diameter of orbit 



Dorsal (first) : 



Distance from snout 



Length of base 



Length of first spine 



Length of longest ray 



Length of last ray 



Dorsal (adipose) : 



Length of base 



Length 



Anal: 



Distance from snout 



Length of base 



Length of longest i-ay 



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 



48 



164 



37 



vm 



L6 

 22 

 •17-f- 

 L8 

 1.7 



20.5 

 17 



18.5 

 17.3 



29 



19 



21 



12.5 



10 

 9.5 

 4.5 

 6 



11 



38.5 

 8.5 

 9.5 



14.5 

 6 



9 

 7.66 



64 

 22 



n.5 



5 



10 

 20 



26 

 12 

 15 



51 

 1L6 



34 



48 



155 

 35 



vni 



1.6 

 21 

 •17-1- 

 1.8 

 1.7 



22.3 

 17.5 

 21.5 

 16.6 



20.6 



23 



12.3 



8.66 



9.6 



4 



6.66 

 11 



3 



38.5 

 9 



1L6 

 16 



7 



11 



27 



11.33i 



16 



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

 United States National Museum, 



Washington, December 20, 1879. 



Proc. Nat. Mus. 79 20 Iflarch 25, 1880. 



