414 TELEOSTEI 



Amphisile, Guv. (Fig. 412) ; Indo-Pacific Ocean ; and Eocene and 

 Oligocene, Europe. 



Amphisile scutate, L. (After Day, Fishes of Iiulict.) 



TRIBE 3. LOPHOBRANCHII. 



Toothless elongate fish, with scutes, very small pectoral radials, no 

 air-bladder, and gill-laniellae in the form of rounded lobes. 



SUB-TRIBE A. The anterior division of the dorsal fin is spiny. The 

 pelvic fins of the female coalesce to form an egg-pouch. 



Family SOLENOSTOMIDAE. Solenostomus, Lac. ; Indian and Pacific 

 Oceans. 



SOB-TRIBE B. With spineless fins and scaleless body, enclosed in seg- 

 mental rings of armour formed by overlapping scutes attached to the vertebral 



Fio. 413 



Syngnathus acus, L. A, left-side view of the anterior region ; B, the left branchial chamber 

 exposed by the removal of its outer wall ; C, enlarged view of a portion of a branchial arch ; D, 

 skeleton of the right half of the pectoral girdle and fin, inner view ; E, portion of the tail a 

 caudal vertebra is shown behind, and a portion of the notochord is exposed. 6;-, branchial 

 lamella ; c, coraco-scapular cartilage ; d, cleithrum ; c.o, cut opercular wall ; d.c, distal 

 cartilage supporting lepidotrich ; e, eye; g, gill; g.b, gill-bar; g.r, gill-raker; m, mouth; n, 

 nostril ; nt, persistent constricted notochord ; op, operculum ; p.f, pectoral iin ; pi, bony 

 dermal plate ; r, 5th radial ; sp, opening of branchial chamber ; v, vertebra. 



