266 PKOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Table of iwoportional measurements. 

 Species : Ascelichthys rhodorus. 



Locality 



Extreme lensth 



Length to base of middle caudal rays . 

 Body: 



Greatest Leight 



Least heiglitof taU. ^ 



Head : 



Greatest lengtli 



Greatest -width 



\\' idth of interorbital area 



Length of snout 



Diameter of orbit 



Dorsal (spinous) : 



Distance from snout 



Length of base 



Greatest height 



Dorsal (soft) : 



Length of base 



Height at longest ray 



Anal: 



Distance from SMut 



Height at longeaw-ay 



Caudal : 



Length of middle rays 



Pectoral : 



Length 



Ventral: 



Length , 



Branchiostegals 



Dorsal 



Anal 



Pectoral 



Ventral 



Number of cajcal appendages 



Neeah Bay. 



Inches 



and 

 lOOths. 



3.90 

 3.40 



lOOths of 



length to 



base of 



caudal. 



30 



27 



5 



5 



6 



30 

 26 

 4i 



34 

 10 



56 

 9 



16 



24 





 6 

 IX, 18 

 13 

 16 

 

 6 



Scytalina, gen. nor. 



raniily Congrogadida', allied to Congrogadus Giinther. 



Body auguilliform, cylindrical anteriorly, compressed behind, covered 

 with very small, imbedded cycloid scales. Xo lateral line. Head broad, 

 with tumid cheeks, broader than body, resembling a serpent's head. 

 Lower jaw slightly projecting. Each jaw with two strong canines in 

 front, besides which is about one series of small, close-self conical teeth 

 in the lower jaw and a broad patch in the upper. A single series of 

 small teeth on vomer and i)alatines. Branchiostegals six. Gill-open- 

 ings very wide, the membranes broadly connected below and free from 

 the isthmus. Pseudobranchise small, present. A slit behind fourth gill. 

 Tongue largely free anteriorly. Intestines short, without pyloric caeca. 

 Pectoral fins very small. No ventral fins. Dorsal fin very low, without 

 spines, heginning near the middle of the body. Anal . similar, and begin- 

 ning nearly opposite it. Tail rounded behind. Caudal tin well devel- 

 oped, joined to dorsal and anal. Vent near the middle of the body. ]S^o 

 anal x)apilla. 



Etymology : diminutive of Scytale^ a genus of serpents, in allusion to 

 the form of the head and neck and the fang-like canines. 



The relations of this genus seem to be with Congrogadus Giinther,from 



