132 



Part I I I .—Twenty-sixth Annual Report 



EXPLANATION OF THE LETTERS USED IN THE PLATES— Continusd. 



g. a p. — Genital aperture. 



g. p. — Genital papilla. 



h k. — Head kidney. 



hp. — Hsemapophysis (side of hremal 



arch). 

 hs. — Hamial spine. 

 1 h. — First haemal arch. 

 in. sp. — Interspinous bones 

 k. — Kidney. 

 I. — Liver. 

 m.— Mnscle. 

 me. — Mesentery. 

 np. — Neurapophysis. 

 ns. — Neural spine. 

 Oc. Sp. — Occipital spine. 

 op. 0. — Opisthotic. 

 Or. S. — Orbito-sphenoid. 

 Of. -Otolith. 

 ov. — Ovary, oviduct. 

 P. — Parietal. 

 par. Oc. — Par-occipital. 



pi. — Pleurapophysis. 



pp. — Parapophysis (transverse process 

 of Vertebra). 



pre. — Process (of a bone). 



pr. F. — Pre-frontal. 



pr. 0. — Pro-otic. 



p. S. — Para-sphenoid. 



pt. CI. — Post-clavicle. 



pi. F. — Post-frontal. 



ret. — Rectum. 



s. Oc. — Supra-occipital. 



s. Or. — Anterior opening of supra- 

 orbital groove. 



Sq. —Squamosal. 



St. — Stomach. 



sw. hi. — Swim-bladder. 



^.—Testis. 



ur. — Ureter, urinary. 

 V. — Vomer. 

 Vert. — Vertebra. 

 Zyp. — Zygapophysis. 



EXPLANATION OF PLATES. 



DIAGRAM. 

 Oadus merlangus, to show Measurement — Characters. See p. 99. 



PLATE VIII. 



Fir,. 1. Gadtis ogac. 



,, 3. ,, saicla. xf 



,, 2. ,, argenteus. x| Imperfect specimen. 



,, 4. ,, pontasaou, reduced. Natural size was 16 cm. in length. 



PLATE IX. 



Fig. 6. Post-clavicle of G. oeglefinus. Iceland. Nat. size. 



,, 7. Clavicle of G. oeglefinus. Iceland. Nat. size. 



,, 8. Skull, view from below, G. ceglefinus. Iceland. Nat. size. 

 ,, 9. ,, ,, ,, above, ,, ,, ,, 



,,10. ,, ., ., behind, ,, ,, ,, 



,, 11- ,, ,, ,, side, ,, ,, ,, 



PLATE X. 



Fig. 12. Skull of G. saida, from above. Nat. size. 

 ,, 13. Ovary of G. virens, 92 cm. long. September 1908. x i. Eggs measure 



•22 mm. 

 ,, 13a. G. ogac. Greenland, x i. Anal region to show anal tube (a). 

 ,, 14. Skull' of G. poutassou, 17 cm. long, from above. Nat. size 

 ,, 15. ,, G. ogac, from the side. Nat. size,. 

 ,, 16. ,, G. merlangus, from above. Nat. size. 

 ,, 17. ,, ,, ,, behind. ,, 



,, 18. ,, ,, ,, the side. ,, 



,, 19. ,, G. ogac, horn above. Nat. size. 

 ,,20. ,, G. argenteus, from above. Nat. size. 

 ,, 21. Otolith of G. poutassou, two views. Natural size. Fish 16 cm. total 



length. 

 ,, 22. Post-clavicle of G. merlangvs. Nat. size. 



,, 23. Otolith, two sides, G. ovac, 67 cm. long. Nat. size. After Vanhoffen. 

 ,, 24. Skull of G. poutassou, from side. Nat. size. 

 ,, 25. ,, G. saida, from side. Nat. size. 

 ,,26. ,, G. argenteus, 14 -6 cm., from side. Nat. size, 

 ,, 27. ,, G. merlangus, from below. Nat. size. 



