GILBERT AND STAKK8 — FISHES OF PANAMA lUV 

 AftiisuremeHls in Hundredths of length without Caudal. 



63 



Length in mm., from tij) of snout to l)asc of 

 caudal 



I lead from tip of snout 



l)r|ith 



Orbit 



Insertion \entral spine from tip of snout. 



S|)inoiis diirsal from snout 



Soft dorsal friim snout 



Leni^th of jiectoral 



Lonj;est dorsal ray 



Longest anal ray 



Numlier of dorsal rays and spines 



Number of anal rays and spines 



Number of scales 



290 



31 



n\ 



53 



41 

 44 

 70J 

 13 



M\ 

 IGJ 



v-i,9 

 11,8 

 no 



Family POLYNEMID.Ti:. 

 121. Polydactylus approximans {Lnj d- BcnncU). 



Common hut much Ics-s abundant than /*. opercularis, and intitdi less valuable 

 than the latter as a food-fish. 



Measurements in Himdrcdths of Length "without Caudal. 



Length in nun 



Head 



Depth 



Ma.xillary 



Spinous dorsal from snout 



Distance from front of spinous dorsal to soft dors;il.. 



Length of pectoral 



Longest detached ray 



Longest dorsal spine 



Longest dorsal fy 



Dorsal 



Anal ; 



Scales 



191 

 32 

 30 

 14 



39 

 30 

 29 

 45 

 Broken 

 21 

 vin-i,i2 



'".13 

 60 



206 



32 



28 



14.V 



39 

 27 



31 

 45 

 24 

 22 

 viii-1,12 



HI. 13 

 61 



205 

 32 

 29 

 '4 

 39 

 27 

 28 



39 

 22 

 20 

 viii-1,12 

 III, 14 

 62 



