GENUS FIROLA. 7 



Gelatinous points disposed in a single semicircular row. 

 Colour pale IdIuc, with two lateral fillets of rosaceous 

 tubercles; base of the dorsal fin yellow. 



3. F. Forskalia. Body with a vermiform organ; and 

 a cup on the dorsal fin. No caudal appendage. Plate I. 

 fig. 3. represented in the act of devouring a species of 

 the genus Cymodora of Peron and Le Sueur. 



Body cylindrical, subequal, widi a dorsal groove. 

 Colour pale violaceous, a lateral row of rosaceous tuber- 

 cles, double before. Cup resembling a small basket, with 

 four radical threads passing between the muscles of the 

 fin; fin somewhat elongated behind. Gelatinous points, 

 disposed as in the first species. 



4. F. Cuviera. Body destitute of the vermiform organ 

 and cup. Tail with an appendage. {F, Cuviera, Peron and 

 Le Sueur; Annales du Museum d'Histoire Nat, t. 14. p. 

 218, and t. 15. p. 57. PI. 2. fig. 8.) Plate I. fig. 4. 



Body subequal, larger and transversely wrinkled be^ 

 fore; with a dorsal groove. Colour pale violaceous; tu- 

 bercles rosaceous, irregularly disposed; one on each side 

 of the dorsal fin larger and transverse, with two longitu. 

 dinal ones placed upon the tail. Gelatinous points eight; 

 four in a transverse line, surmounted by four others in two 

 transverse lines. 



5. F. Frederica. A cup on the dorsal fin, and caudal 

 appendage. Vermiform organ none. Plate I. fig. 5. 



Body very much resembling that of 7'^. Cuviera, 



6. F, Peronia. A vermiform organ, cup on the dor- 

 sal fin, and caudal appendage. Gelatinous points none, 

 Plate I. fig. 6. 



