5. PETEOSCIBTES. 229 



in the upper jaw, behind the series). Head sometimes with tentacles. 

 Gill-opening closed beneath, and reduced to a small tissure above the 

 root of the pectoral. Branchiostegals six. 

 Atlantic coasts of temperate North America. 



1. Chasmodes boscianus. 



Blennivis bosquianus, Lucep. ii. pi. 13. tig. 1. 



pholis, Mitch. Phil. ^- Lit. Trans. New York, i. p. 374. 



Chasniodes boscianus, Cuv. Sf Val. xi. p. 295. pi. 327 ; Dekaij, Neio 

 York Faiina, Fishes, p. 151. pi. 24. fig. 73. 



B. 6. D. 29. A. 19. V. 2. 



The mouth is cleft to below the posterior margin of the eye ; snout 

 slightly produced, with the upper profile oblique ; canine teeth none. 

 The dorsal is not emarginate, and continuous Avith the caudal. A 

 very small tentacle above the orbit. Greyish, marbled with brown. 



Atlantic coasts of North America. 



2. Chasmodes quadrifasciatus. 



Pholis quadrifasciatus, Wood, Journ. Acad. Nat. Se. Philad. iv. p. 282. 



pi. 17. fig. 1. 

 Chasmodes quadi'ifasciatus, Ciiv. ^ Val. xi. p. 298. 



D. 27. A. 15. 



The mouth is cleft to below the posterior margin of the orbit ; 

 snout slightly produced, with the upper profile oblique. A small 

 canine tooth in the upper jaw. Body with four or five brown cross- 

 bands ; a series of yellowish spots along the base of the anal fin. 

 ( Wood.) 



3. Chasmodes novem-lineatus. 



Pholis novem-lineatus. Wood, Journ. Acad. Nat. Sc. Philad. iv. p. 280. 

 Chasmodes novem-lineatus, Cuv. ^ Val. xi. p. 299. 



D. 30. A. 20. 



Snoiit obtuse, with the anterior profile subvertical. The dorsal 

 fin commences on the neck and est«nds on to the caudal. Brown : 

 sides of the head dotted with dark blue ; a blackish spot between 

 the fii'st and second dorsal rays. {Wood.) 



Port of Charleston. 



5. PETROSCIRTES*. 



Petroscirtes, Riijip. Atl. Fische, p. 110, and N.W. Fische, p. 134. 



Blemiechis, Cuv. df- Val. xi. p. 279. 



Aspidontus, (G. Cuv.) Quay ^- Gaini. Voi/. Astrol. Zool. iii. p. 719. 



Body moderately elongate, naked. Snout generally short or of 



* 1. Blemiechis dussuniieri, Citv. ^~ Val. xi. p. 282. — He de Bourbon. 



2. Omobranchus fasciolatus, {Ehrenb.). — Blennechis fasciolatus, Cuv. cf- Val. 



xi. p. 287. — Red Sea. 



3. Petroscirtes baiikicri, Richards. Voy. Sulph. Fnhea. p. 130. pi. 44. figs. 8, 9. 



— Hongkong. 



