Figure 21.— The caudal complex of a 21.4 mm ESL Xiphias 

 gladius. A, left lateral view of the complex; B, left lateral 

 view of normal uroneural, enlarged. HPo, haemal post- 

 zygapophysis; NPo, neural postzygapophysis; for other abbre- 

 viations, see Figures 17-20. Cartilage, white; ossifying, 

 stippled. 



FISHERY BULLETIN: VOL. 80. NO. 2 



SCR 



PCR 



0.25 mm 



PCR 



Figure 22.— The caudal complex of a 

 52.4 mm ESL Xiphias gladius. A, left 

 lateral view of the complex; B, left lat- 

 eral view of the anomalous uroneural, 

 enlarged. A, anomalous secondary 

 haemal spine; F, neural foramen; for 

 other abbreviations, see Figures 19-21. 

 Cartilage, white; ossifying, stippled. 



0.25 mm 



Un Hy 5 



Figure 23.— The bones of the caudal complex 

 from an adult Xiphias gladius length un- 

 known, 61 lb. A, left lateral view of the caudal 

 bones; B, left lateral view of the normal uro- 

 neural, enlarged. For abbreviations, see 

 Figures 19-21. Cartilage, white; bone, 

 stippled. 



NPr NPo 



10mm 



2mm 



174 



