132 



Part III. — Twenty-, 



■sixth Annual Report 



EXPLANATION OF THE LETTERS 



g. ap. — Genital aperture. 



g. p. — Genital papilla. 



h h. — Head kidney. 



hp. — Hsemapophysis (side of haemal 



arch). 

 hs. — Hremal spine. 

 1 h. — First haemal arch. 

 in. sp. — Interspinous bones 

 k. — Kidney. 

 I. — Liver. 

 m. — Muscle. 

 me. — Mesentery. 

 np. — Neurapophysis. 

 ns. — Neural spine. 

 Oc. Sp. — Occipital spine. 

 op. 0. — Opisthotic. 

 Or. S. — Orbito-sphenoid. 

 Ot.— Otolith. 

 ov. — Ovary, oviduct. 

 P. — Parietal. 

 par. Oc. — Par-occipital. 



USED IN THE PLATES — Gontinusd. 



pi. — Pleurapophysis. 



pp. — Parapophysis (transverse process 

 of Vertebra). 



pre. — Process (of a bone). 



pr. F. — Pre-frontal. 



pr. O. — Pro-otic. 



p. S. — Para-sphenoid. 



pt. CI. — Post-clavicle. 



pt. F. — Post-frontal. 



ret. — Rectum. 



s. Oc. — Supra-occipital. 



s. Or. — Anterior opening of supra- 

 orbital groove. 



Sq. — Squamosal. 



st. — Stomach. 



sw. bl. — Swim-bladder. 



t.— Testis. 



ur. — Ureter, urinary. 

 V. — Vomer. 

 Vert. — Vertebra. 

 Zyp. — Zygapophysis. 



EXPLANATION OF PLATES. 

 DIAGRAM. 



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

 PLATE VIII. 



Fig. 1. Gadus ogac. 

 ,, 3. ,, saida. x| 



,, 2. argenteus. x| Imperfect specimen. 



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



PLATE IX. 



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



7. Clavicle of G. ceglefinus. Iceland. Nat. size. 



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



9. „ „ ,, above, ,, 

 10. „ „ behind, „ ,, 

 11* j> >j >j side, ,, 



PLATE X. 



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

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

 •22 mm. 



,, 13a. G. ogac. Greenland, x ^. 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, from 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. merlangus. 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. 



