450 



TELEOSTEI 



closed. The air-bladder may be lost. An eye-muscle canal is present, 

 and the parietals may meet above the supraoccipital (p. 347). The dorsal 



spines are often provided with 

 poison-glands. 



Ampheristus, Koenig ; Histio- 

 cephalus, A. de Z. Eocene, 

 Europe. Scorpaena, Art. (Fig. 

 468) ; warm seas ; Miocene, 

 Europe. Sebastes, C. and V. ; 

 Setarches, Johns. ; Pterois, Cuv. ; 

 Apistus, C. and V. ; Agriopus, 

 C. and V. ; Chorismodactylus, 

 Rich. (Fig. 469) ; Pelor, Cl and 

 V. warm seas. 



Family TRIG LID AE. The head 

 is Completely covered by a cuirass, 

 formed partly by the suborbitals 

 (Fig. 470). The anal fin is spine- 

 less, the dorsal fin becomes sub- 

 divided, and the pelvic fins are 

 widely separated. Two or three 

 of the ventral (anterior) dermal 

 6 pectoral rays become specialised 



FIG. 467. as independent feelers capable of 



Skeleton of left half of pectoral girdle and fin 

 of Pterois volitnns. 1, post- temporal ; 2, supra- 

 clavicle ; 3, scapular ; 4, coracoid ; 5, radial ; 0, 

 lepidotrich ; 7, postclavicle ; 8, cleithrum. 



separate movement (Hamburger 

 [195]). The pectoral fin is 

 generally large and brilliantly 

 coloured. The post-temporal is 

 fused to the "skull, and the myodome is present. The body is covered 

 with rough scales, or sometimes with an armour of bony plates (Peristedion) 

 (Fig. 472). 



FIG. 408. 

 Scorpa.cna bynocnsis, Rich. (After Giinther.) 



Trigla, Art. (Fig. 471) ; warm and temperate seas ; Miocene, Italy. 

 Lepidotrigla, Gthr. - PrionotiLs, Lac. ; Peristedion^ Lac. warm seas. 



B. Family AGONIDAE. The cephalic cuirass is complete, and usually 



