224 TETGtlD^. 



spines ; body with scales, strongly keeled and of moderate size ; 

 lateral line none. Two dorsals, the second not much longer than 

 the .first ; pectoral rather short, divided into tivo portions by a deep 

 notch. Jaws with minute teeth ; palate toothless. Air-bladder none ; 

 many pyloric appendages. 



Tropical parts of the Atlantic. 



1. Cephalacanthus spinarella. 



Pungitius pusillus, L. Mas. Ad. Fried, p. 74. pi. 32. f. 5. 

 Gasterosteus spinarella, L. Si/st. Nat. i. p. 492 ; L. Gm. i. p. 1327 ; 



Bl. Schn. p. 124. 

 Cephalacanthus spinarella, Lacdp. iii. pp. 323 & 324 ; Cuv. ^ Vol. iv. 



p. 138 : Cuv. Regne Anim. III. Poiss. pi. 20. f. 4. 



D. 6 I 8-9. A. 6-7. 



The scapular and praeopercular spines are as long as the remainder 

 of the head, and extend nearly as far backwards as the pectorals. 

 Tropical parts of the Atlantic. 



a, b. Adult. Gulf of Guinea. 



c-g. Adult. Presented by the Zoological Society. 



h. Lat. 20° N., Long. 22° 53' W. Voyage of H.M.S. Plumper. 



i-m. Lat. 2° S., Long. 34° W. From Mr. J. T. Rouse's CoUection. 



rir-p. Adult : not good state. 



q, r. Adult : diied. 



s. Adult : very bad state. New Orleans. 



t-x. Half-growTi : not good state. 



