150 TELEOSTEI. — ACANTHOPTEEI. XX. 



412. C. franklini Agassiz. Short and stout ; fins low. Head 

 3^; depth 4^. D. VIII -17. A. 12. L. 3. L. Superior. (To 

 Sir John Franklin.) 



418. C. formosus Girard. Slender; head small, 4^ ; depth 5^. 

 D. VIII -16. A. 11. L. 3J. L.Ontario. (Lat., pretty.) 



188. ACANTHOCOTTUS Girard. Sculpins. (aKavBa, spine; 



Cottus.) 

 a. Anal fin short, with 10 rays. 



414. A. seneus (MitchUl). Grubby. Upper preopercular 

 spine shorter than eye, nearly twice length of next. Grayish 

 brown, much variegated with blackish ; no large white spots. 

 Head 2f ; depth 4. D. IX -13. A. 10. V. I, 3. L. 6. Maine 

 to N. Y., common. (Lat., brassy.) 



aa. Anal fin long, o£ 14 rays. 

 i. 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.) Daddy Sculpix. Big Sculpin. 

 Dark brown, with darker bars ; beUy in ^ dusky, with round 

 black spots ; fins spotted and barred ; top of head with spinous 

 tubercles; eye large. Head 2^; depth 4^. D. X-17. A. 14. 

 V. I, 3. L. 25. N. Atlantic, S. to N. Y. The American form is 

 var. groenlandicus C. & V., distinguished by its larger size, broader 

 interorbital, and higher fins ; the var. scorpius ranges S. to Me. 

 (_Eu.) (Lat., a scorpion.) 



bi. 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 (MitchiU). 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 2^; depths^. D.IX-15. A. 14. V.I, 3. L. 15. N. Y. 

 to Nova Scotia. (Lat.-, octodecim, eighteen ; spinosus, spined.) 



189. ARTEDIELLtrS Jordan. (Diminutive of Artedius, a 

 related genus.) 



417. A. unoinatus (Krbyer). Eye very large; spine of pre- 

 opercle large, hooked upward. Olivaceous, mottled and barred. 

 Head 3; depth 4^. D. VIII -13. A. 11. L. 4. Cape Cod, N. 

 (Lat., hooked.) 



190. TRIG-LOPSIS Girard. (rpi'yXa, Trigla; o\/A(r, appearance.) 



418. T. thompsoni Girard. Body very slender; head long, 

 depressed ; eye very large, 4 in head ; skull extremeh' cavernous ; 

 preopercle with 4 short, sharp spines ; soft D. and A., very high ; 

 lat. 1. chain-like. Olivaceous, with faint dark blotches. Head 3 ; 



