128 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



dark, and show no traces of the circular blue spots often seen in individ- 

 uals of this species. The colors are dull and little conspicuous. 



19. Prionotus tribulus Cuv. & Val. 



A single individual, No. 22,820, 5| inches in length. D. X, 12; A. 10; 

 P. 13 + 3; V.I, 5; C. 4 + 11 + 3. 



13. POLYNEMID^. 



20. Polynemus octonemus Girard. 



Several specimens of this interesting species were obtained, notes upon 

 which are given below. 



No. 22,821 (70). Length 4^ inches. D. II, VI, I, 12 ; A. II, 12 ; P. 

 filaments 8 ; V. I, 5. 



No. 22,822 (71). Two specimens, 3f inches and 3^% inches in length. 

 D. II, VI, I, 12 ; P. filaments 8 ; A. II, 12 ; V. I, 5. L. lat. C2. 



No. 22,822. D. II, VI, I, 11 ; A. II, 13 ; P. filaments 8 ; V. I, 5. L. 

 lat. 58. 



No. 22,823. Length 4^ inches. D. II, VI, 12 ; A. II, 13 ; P. fila- 

 ments 8 ; V. I, 5. L. lat. 60. 



14. TRICHIURID^. 



21. Trichiurus lepturus Linn. 



Two specimens. No. 22,802 (102), 22.i inches long, and No. 22,817 (112), 

 20 inches long. 



22,802. D. 130; P. 11. 

 22,817. D. 118; P. 11. 



15. SCOMBRID^. 



22. Orcynus aUiteratus (Raf.) Gill. 



A single specimen. No. 22,815 (92), 13 inches long, weighing f of a 

 pound, was sent by Mr. Stearns. 



This specimen is interesting as being the only young indi^idual taken 

 on this side of the Atlantic. 



A few irregularly distributed dark spots about the size of the pupil 

 of the eye occur on the sides of the body below the pectoral. 



23. Cybium maciilatum (MitcMll) Cuvier. — Spanish Mackerel. 



A single specimen. No. 21,333 (35), 14^ inches in length, was sent 

 by Mr. Stearns. There are about fifteen large spots between the 

 branchial opening and the base of the caudal. D. 18 + 17, VII; A. IG, 

 IX;P. 18;V. G. Teeth, g=^. 



A young specimen. No. 7,310, 9^ inches long, was sent from West 

 Florida by C. B. Baker. 



