88 TKIGLID.7C. 



B, The spinous portion of the dorsitl less 

 developed than the soft or than the 

 anal c. Cottina. 



II. Body completely cuii-assed by bony, keeled 



plates or scales d. Cataphracti. 



Si/noiysis of the Genera. 



First ffroup: Heterolepidina. TrigUdce with the body covered 

 with ordinary scales, and with many j^yloric appendages. The two 

 portions of the dorsal fin and the anal elongate and equally developed. 



Several lateral lines 1. Chirus. 



One lateral line ; scales cycloid ; prseoperculiun slightly 



armed 2. Ophiodon. 



One lateral line ; scales small, ctenoid ; praeoperculum 



not armed 3. Agrammus. 



One lateral line ; scales miniite, with the posterior 



margin comb-like 4. Zaxiolepis. 



Secoml group : Scorpseniua. Triglid(v with the spinous jx)rtion 

 of the dorsal fin equally or more developed than the soft and than the 

 anal, which is not elongate, with the body naked or covered with 

 ordinary scales, and with the pyloric appendages in small niunber. 



a. Body ivith very distinct scales. 



Occiput without groove ; fins not elongate ; dorsal 



notched, with twelve or thirteen spines 5. Sebastes. 



Occiput with a groove. D. 1 1 — — . A. — (?. Scorpjina. 



Occiput with a gi'oove ; dorsal with seventeen spines ; 



pectoral appendage none 7. G-lyptauciies. 



Spines and rays of some of the fins elongate, isolated, 

 and the latter branched ; pectoral appendages 

 none 8. Ptbrois. 



Rays of all the fins simple ; one dorsal, deeply notched. 9. Pteroidichtht.s. 



Dorsal contiauous vrith the caudal 10. T.EiNianotus. 



Occiput without gi'oove ; prworbital spiniferous ; dorsal 

 vrith fourteen or fifteen spines ; pectoral appendage 

 none 11. Centropogon. 



One pectoral appendage 12. Apistus. 



Lateral line interrupted ; three separate dorsal fins ... 1.3. E.vneapterygius. 



(o. Body with rudimentary sctdes, or without any. 



Pra?orbital with an acute spine ; a cleft behind tlie 

 fourtli gill ; pectoi-al appendage none ; dorsal 

 with twelve to thirteen spines 11. Pentaroge. 



