292 



ONTOGENY AND SYSTEMATICS OF FISHES-AHLSTROM SYMPOSIUM 



^e- Hy 4-6 



Fig. 148. (A) Caudal fin oi Phyas blennoides. 82.3 mm SL (British Mus. Nat. Hist. 1976. 7.30.110-119); Hyl = Hypural bone 1; Hy2-3 = 

 Hypural bones 2 and 3; Hy4-6 = Hypural bones 4, 5, and 6; EP, = Epural bone 1, EP, = Epural bone 2; X = x bone, Y = y bone; U, = Ural 

 centrum 1; LI, = Ural centrum 2; PU, = Preural centrum 1; PU^ = Preural centrum 6; (B) Caudal fin oi Raniceps raninus. 44.4 mm SL (British 

 Mus. Nat. Hist. 1971.2-16.640); symbols as m (A). 



Fig. 149. (A) Flexion larva of Trisopterus luscus. 7.5 mm SL (Inst. Sci. Tech. Peches Marit., Nantes, stored at NWAFC); (B) Preflexion larva 

 of Merlangius merlangus. 5.0 mm SL (Inst. Sci. Tech. Peches Mant., Nantes, stored at NWAFC); (C) Preflexion larva of Pollachius virens. 5.9 

 mm SL (Huntsman Mar. Lab., H-8057, stored at NWAFC); (D) Preflexion larva of Melanogrammus acglefinus. 6.1 mm SL (Huntsman Mar. 

 Lab., H-9473, stored at NWAFC); (E) Preflexion larva of Gadus macrocephalus, 4.4 mm SL (from Dunn and Vinter, 1984); and (F) Preflexion 

 larva of Gadiculus argenteus. 3.7 mm SL (Zool. Mus. Copenhagen, stored at NWAFC). 



