80 



Part III. — Twenty-fourth Annual Report 



IV.— Literature. 



The following are some papers in which the otoliths of fishes are more 

 or less specially dealt with : — 



Dr. Reibisch. — " Ueber die Eizahl bei Pleuronectes platessa und die Alters- 

 bestimmung dieser Form aus den Otolithen." Wissensch. Meeresuntersuch. , 

 1890. Neue Folge Bd. 4, Abthlg. Kiel, p. 231. (This work I have not 

 !>een.) 



Dr. C. Fryd. — "Die Otolithen der Fisch in Bezug auf ihre Bedeatung fur 

 Systematic und Altersbestimmung." Dissertat. Kiel, 1901. (I have not 

 seen this paper.) 



Dr. J. T. Jenkins. — "Altersbestimmung durch Otolithen bei den Clupeiden." 

 Wissensch. Meeresuntersuch., 1902. Neue Folge Bd. 6, Abthlg. Kiel, p. 83. 



J. T. Cunningham. — "Zones of Growth in the Skeletal Structures of the 

 Gadidse and Pleuronectida?." Twenty -third Annual Report of the Fishery 

 Board for Scotland, Pt. III., p. 125. et sec, pis. vii.-ix., 1905. 



Dr. W. Wallace. — " Preliminary Investigations on the Age and Growth rate of 

 Plaice." International Investigations, Marine Biol. Assoc. Report, pp. 

 199-225, pi. i, 1895. 



Dr. Adolf Severin Jensen. — "On Fish Otoliths in Bottom Deposits of the 

 Sea.'' Meddelelser fra Kommissionen for HaimndersbgeUer. Ser. Fiskeri 

 Bd. 1, pp. 1-14, with figures in the text, 1905. 



Some observations on Fish Otoliths by the writer will also be found in Part III. 

 of the Twentieth and Twenty-first Annual Reports of the Fishery Board for 

 Scotland, p. 486 and p. 218, 1902 and 1903. 



EXPLANATION OF THE PLATES. 

 «=anterior end of otolith ; w= upper margin of otolith. 

 PLATE I. a. 



Fig. 1-10. Earstones of Codfishes, various sizes . . slightly enlarged. 



Fig. 11-13. Lythe, 

 Fig. 14-16. Coal-fishes, ,, 



Fig. 17-18. „ (?)Ling, 



Fig. 19-26. „ Ling, 



Fig. 27. ,, a Greater Fork beard, 



PLATE I. b. 



Fig. 1-8. Earstones of Lesser Forkbeard, various sizes . slightly enlarged. 



Fig. 9-12. ,, several 3-Bearded Rocklings, various sizes 



Fig. 13-17. ,, several 4-Bearded Rocklings, ,, 



Fig. 18. ,, one Flounder, 



Fig. 19-25. ., several Lemon Dabs, various sizes 



Fig. 26-29. „ four Witch Soles, 



Fig. 30. one Scald-fish, ,, 



Fig. 31-32. two Megrims 



Fig. 33. . , one Turbot 



Fig. 34. ,, one Black Sole 



Fig. 35-36. two Solea variegata 



Fig. 37-41. .. several Solenettes, various sizes 



Fig. 42-43. ., two Midler's Topknots 



Fig. 44-45. ,, two Argentines 



Fig. 46-52. . . several Grey Gurnards, various si 



Fig. 53. ,, one Red Gurnard 



Fig. 54-55. ,, two Streaked Gurnards 



Fig. 56. ,, one Sapphirine Gurnard . 



Fig. 57-63. several Lumpenus, various sizes 



Fig. 64-65. ,, two Sand-eels 



Fig. 66. one Conger 



Fig. 67-69. three Fresh-water Eels 



