IS 



Diodonpilosus, Mitch. Trans. Lit. & Phil. Soc.KewTork, 

 I, p. 471, pi. 6, fig. 4. 



Enters Chesapeake Bay from the ocean, but seems to be 

 rare in Maryland waters. 



III-TETRODONTIDE. 



TETRODON, Linne'. 



T. laevigatus. 



The Lineated Puffer, or Smooth Swell Fish. 



Body elongated, cylindrical, gradually tapering behind, 

 anterior portion of body most prominent ; abdomen pendu- 

 lous, and furnished with small three-rooted spines. Uniform 

 deep olive-green abovCj sides silvery, abdomen white. — 

 Length, 1 to 2 feet. 



Fin-rays:— D. 13—14; P. 16—17; A. 12; C. 11—13. 



T. Icevigatus, L. Syst. Nat. I, p. 411; DeKay, New York 

 Fauna, Fishes, p. 329, pi. 56, fig. 182; Storer, Mem. Am. 

 Acad. VIII, p. 418, pi. 34, fig. 1. 



— mathematicus, Mitch- Lit. & Phil. Trans. New York, I, 

 p. 474, pi. 6, fig. 6; Storer, Boston Journ. Nat. History IV, 

 p. 183. 



Atlantic coast of Worcester county and in the southern 

 part of Chesapeake Bay. 



Acad. Coll. 



CHILICHTHYS, Mull. 



C. turgidus. 



The Common Puffer, or Rough Swell Pish. 



Body oblong, cylindrical, and nearly globular when in- 

 flated. The whole surface, except the chin and the space 

 behind dorsal and anal rins, covered with small acute spines 

 with trifid bases; these prickles are most numerous between 

 the eyes and on the back. Dark olive-green above, with a 

 yellowish tinge along the sides. Sides and all beneath white, 

 with occasionally a greenish tinge, and barred transversely 

 by seven or eight blackish, irregularly defined bands. — 

 Length, 6 to 12 inches. 



Fin-rays:— i). 6—8; P. 15; A. 6—8; C. 6—9. 



C. turdigus, Schcepfi', Beabacht, Ges. Ntrf. Freune, Berlin, 

 Vm, p. 189; Mitch. Lit. & Phil. Trans. New York, 1, p. 

 7 



