RORQUALS OR FIN WHALES 



229 



Fig. 63. — Firmer Whale or Common Rorqual {Balanoptera physalus). To 80 feet. 



Fig. 64. — Sei Whale or Rudolphi's Rorqual (Balanoptera borealis). To 60 feet. 

 (After Andrews.) 



Fig. 65. — Piked Whale or Lesser Rorqual {Balanoptera acutorostrata). 

 To 30 feet. 



