150 TELEOSTEI. — ACANTHOPTERI. — XX. 
412. C. franklini Agassiz. Short and stout; fins low. Head 
31; depth 44. D. VIII[-17. A. 12. L. 3. L. Superior. (To 
Sir John Franklin.) 
413. C. formosus Girard. Slender; head small, 44; depth 54. 
D. VIII -16. A.11. L. 3}. L. Ontario. (Lat., pretty.) 
188. ACANTHOCOTTUS Girard. ScuLpins. (dxav6a, spine; 
Cottus.) 
a. Anal fin short, with 10 rays. 
414. A. eneus (Mitchill). Grussy. Upper preopercular 
spine shorter than eye, nearly twice length of next. Grayish 
brown, much variegated with blackish; no large white spots. 
Head 23; depth 4. D. IX-13. A.10. V. 1,3. L.6. Maine 
to N. Y.,common. (Lat., brassy.) 
aa. Anal fin long, of 14 rays. 
b. Upper preopercular spine about as long as eye, reaching middle of 
opercular spine, not twice length of the spine below it. 
415. A. scorpius (L.) Dappy Scurrin. Bie Scurry. 
Dark brown, with darker bars; belly in ¢ dusky, with round 
black spots; fins spotted and barred; top of head with spinous 
tubercles; eye large. Head 24; depth 44. D. X-17. A. 14. 
V.1,3. L. 25. N. Atlantic, S.to N. Y. The American form is 
var. greenlandicus C. & V., distinguished by its larger size, broader 
interorbital, and higher fins; the var. scorpius ranges S. to Me. 
(Eu.) (Lat., a scorpion.) 
bb. Upper preopercular spine very long, longer than eye, reaching beyond 
tip of opercular spine, its length more than 4 times that of the spine 
below it. 
416. A. octodecimspinosus (Mitchill). Body slender, with 
long, narrow head; a strong spine above eye; top of head with 
ridges; eye very large. Olivaceous, with dark bars; fins mottled. 
Head 24; depth 53. D.IX-15. A.14. V.I,3. L.15. N.Y. 
to Nova Scotia. (Lat., octodecim, eighteen ; spinosus, spined.) 
189. ARTEDIELLUS Jordan. (Diminutive of Artedius, a 
related genus.) 
417. A. uncinatus (Kroyer). Eye very large; spine of pre- 
opercle large, hooked upward. Olivaceous, mottled and barred. 
Head 3; depth 44. D. VIII-13. A. 11. L. 4. Cape Cod, N. 
(Lat., hooked.) 
190. TRIGLOPSIS Girard. (rpiyda, Trigla; dys, appearance.) 
418. T. thompsoni Girard. Body very slender; head long, 
depressed; eye very large, 4 in head; skull extremely cavernous ; 
preopercle with 4 short, sharp spines; soft D. and A., very high; 
lat. 1. chain-like. Olivaceous, with faint dark blotches. Head 3; 
