FISHERY BULLETIN: VOL. 80, NO. 2 



Figure 28.— Left lateral view of the 17th vertebra from Xiphias gladius, showing the ontogeny. Starting from top left the speci- 

 mens in millimeters ENL or ESL are as in Figure 25. Hs, haemal spine; HPr, haemal prezygapophysis; for other abbreviations, 

 see Figures 25 and 26. Cartilage, white (except in 5.1 mm ENL specimen in top row left, where entire stippling signifies cartilage); 

 ossifying, stippled. 



Table 14. — Development of the neural spines on the anterior to posterior numbered centra for 97 Xiphias 

 gladius 3.7-7.0 mm ENL or ESL. N = number of specimens, X = mean. 



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