TABLE 15. COMPARISON OF ANGLE OF SNOUT TO TOP OF HEAD
 IN THE FORMS OF Luxilus


 46' 48* 50 52 54 56 58 60 62*
Form I I I I I I I I I No. Mean
 47.5* 49.5* 51.5* 53.5* 55.50 57.5" 59.5 61.5 63.5*

N. cornutus 10 12 15 11 10 9 67 57.65"
N. albeolus (southern race) 1 4 2 11 9 3 30 57.33"
N. albeolus (northern race) 1 5 9 11 6 8 1 41 53.13"
N. chrysocephalus chrysocephalus 5 6 8 7 6 4 36 59.06
N. chrysocephalus isolepis 3 5 7 7 6 5 33 57.85*
N. cerasinus 3 8 4 8 2 2 27 57.41"
N. zonatus 5 8 9 6 8 2 38 51.210
N. pilsbryi 5 10 8 8 4 1 36 50.70*
N. coccogenis 5 11 26 15 1 58 50.50*
N. zonistius 1 2 2 6 10 7 28 57.94*


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