I'M SI IKS. 

 I\ible of Comjxiratire Measurements. 



133 



Body : 



•Greatest liciiil't 



Greatest width 



Height at vcutrals 



Least height of tail 



Length of caudal pedunfle. 

 Head: 



Greatest length 



Greatest wi(Uh 



Width of intcroibital area . 



Length of snout 



Lengtli of operculum 



Length of upper. jaw 



Lengtli of mandible 



Long diameter of eye , 



Dorsal (s])inous) : 



I)ist;iiice from snout 



Length of base 



Lrngtli of tirst spino 



Lengt h of second spine 



LengI h of last spine 



Dorsal (soft) : 



Length of base 



Length of antecedent spine . 



Lengtli of lirst ray 



Length of longest ray 



Length of last ray . .'. 



Anal : 



Distance from snoat 



Lcngf h of base 



Lengt li of first spine 



Lengt h of lirst ray 



Length of longest ray 



Caudal :" 



Length of middle rays 



Length of external rays 



Pectoral : 



Distance from snout 



Length 



Vential : 



Distance from snout 



Length 



Gasterosteus 

 vungitius* 

 Linn, (aver- 

 ages of 7 ex- 

 amples). 



G. pungitius 

 var. brachy- 

 poda Bean 

 (averages of 

 8 examples). 



lOOOths of 

 length. 



.170 

 .100 

 .170 

 .036 

 .150 



.265 

 .110 

 .062 

 .062 

 .084 

 .070 

 .080 

 .082 



.286 

 .276 

 .006 

 .066 

 .050 



.245 

 .080 

 .140 

 .140 



.570 

 .220 

 .086 

 .130 

 .130 



.110 

 .137 



.300 

 .100 



.370 

 .121 



lOOOths of 

 length. 



.187 

 .107 

 .177 

 .032 

 .140 



. 265 

 .113 

 .060 

 .060 

 .080 

 .066 

 .076 

 .073 



.276 

 .310 

 .057 

 .058 

 .050 



.2,50 

 .060 

 .120 

 .120 

 .040 



.600 

 .235 

 .064 

 .120 

 .120 



.117 

 .134 



.800 

 .160 



.357 

 .083 



= Fygoateus oceidentalis (G. & Y.) Brovoort, from which the averages wore taken. 



Table of Measnrcmenis. 

 Genus, Gasterosteus. 



Current number of specimen . 



Locality. 



'Pungitius 

 L., 22,015 a. 



Pungitius 

 L., 22,015 6. 



Christiania, Norway, K. Col- 

 lett. 



Blanchardi Sauvago 

 (type) (30) 21,139. 



Boston, IT. S. 



Millimetres 

 and lOOths 

 of length. 



Extreme length to origin of middle caudal rays 



Length to end of external caudal rays 



Body : 



Greatest height 



Greatest width 



Height at ventrals 



Least height of tail 



Length of caudal peduncle 



.18 

 .10 

 .18 

 .04 

 .13 



Millimetres 

 and lOOths 

 of length. 



Millimetres and lOOths 

 of length. 



.18 

 .10 

 .18 

 .04 

 .13 



.16 

 .09 

 .16 

 .04 

 .135 



