704 TELEOSTEI CHAP. 
B. No epipleurals. 
Post-temporal forked, articulated to the skull; soft dorsal and anal much 
elongate . ; . 6 Trichoflontidae. 
Post- temporal closely adnate to the skull ; ; soft dorsal and anal short (with 
only 7 to 10 rays) . : : 7. Callionymidae. 
Post-temporal simple, articulated fo the ‘skull ; ; soft dvi and anal short ; 
a ventral sucker é : . 8. Gobiesocidae. 
II. Pectoral rays all attached to the pterygials, of which two or three 
are in contact with the scapula; ventral fins, if present, jugular or mental, 
composed of 1 to 4 rays. 
A. Ventrals jugular or absent. 
Post-temporal distinctly forked ; praecaudal vertebrae with transverse pro- 
cesses; some or all of the dorsal rays spinous or not articulated ; caudal 
fin usually distinct . ; . 9. Blenniidae. 
Post-temporal small and ankylosed to the skull ; ; praecaudal vertebrae with- 
out well-developed transverse processes; a very short spinous dorsal ; 
caudal fin distinct . : : . 10. Batrachidae. 
Post-temporal distinctly forked ; praccaudal vertebrae with haemal arches ; 
dorsal rays all spinous ; caudal fin distinct . Ll. Pholididae. 
Post-temporal distinctly forked ; praecaudal vertebrae with transverse pro- 
cesses ; dorsal rays all articulated, or a few of the posterior spinous; no 
distinct caudal fin. . 12. Zoarcidae. 
Post-temporal forked, ankylosed to nine eae praecaudal vertebrae with 
transverse processes ; no spines; no distinct candal fin 
13. Congrogadidae 
B. Ventrals mental (just behind the chin) ; no spines 
14. Ophidirdae. 
III. Pectoral rays attached to an undivided cartilaginous plate represent- 
ing the pterygials ; ventral fins jugular, reduced to a filament formed of two 
adnate rays; fins without spines . ; : . 15. Podatelidae. 
Fam. 1. Trachinidae.—Second suborbital with an internal 
lamina, supporting the globe of the eye; mouth large, protractile. 
Ribs and epipleurals nearly equally developed, sessile ; posterior 
praecaudal vertebrae with short parapophyses. Guill-membranes 
free from isthmus; 6-branchiostegal rays; gills 4, a slit behind 
the fourth; pseudobranchiae well developed. Scapula and cora- 
coid well developed, a foramen between them; pectoral rays 
attached to the scapula and to three short and broad pterygials, 
two of which are in contact with the coracoid. Ventral fins 
jugular, close together, with 1 spine and 5 soft rays. Body elon- 
gate, covered with small cycloid scales forming oblique bands. 
A short spinous dorsal and a long soft dorsal and anal. Vertebrae 
35-43 (10-11+4 25-32). No air-bladder. 
This family includes but one genus (7’rachinus), the Weevers, 
with 4 species, occurring on the coasts of Europe, the Mediter- 
