1275 
Analysis of genera 
• hotacanthlnae . Dorsal spines 6 to 12; uooer 
-— rn—aim i n n m ■ ■■> ■ M n - , - r - rW rii-i> -»• 
teeth compressed and obliquely triangular; 
ventrals confluent. Notacanthus . 
p 
a • Polyacanthonotlnae . Dorsal spines 27 to 38; 
teeth in jaws fine, erect; ventrals sepa¬ 
rate. 
b . Snout proboscis like; lateral line strong¬ 
ly arched; dorsal and anal spines long, 
flexible, latter not over 30. 
Polyacanthonotus . 
p 
b". Snout not very elongate; lateral line 
straight; dorsal and anal spines low, 
strong, latter 50 or more. Macdonaldia. 
Tb- 
