118 



Part III. — Twenty-third Annual Report 



Name of the Species. 



Annual Report where published, 

 and Number of Plate where 

 figured. 



Microcotyle donavani, v. Ben. and Hesse, 



„ labracis, ,, 

 Octobothrium alosce (Hermann), - 

 ,, esmarkii, T. Scott, - 

 „ harengi, v. Ben. and Hesse, 

 ,, scombri, Kuhn, 

 ,, merlangi, Kuhn, 

 Oncbocotyle appendicidata, Kuhn, 

 Phyllocotyle gurnardi, v. Ben. and Hesse, 

 Phyllonella solecp, ,, ,, 

 * Plectanocotyle lorenzi, Monticelli, 

 Pterocotyle morrhuce, v. Ben. and Hesse, 



,, palmata, Leuckart, 

 Thaumatocotyle concinna, T. Scott, 

 Tristoma mola j , Blanchard - 

 Trochopus lineatiis, T. Scott, 

 Udonella caligarum, Johnston, - 



Present Report ; PI. vi. 

 19th Report; PI. viii.; 1901. 



5> )J >> » 



„ „ No figure. 



PI. viii.; 1901. 

 13th „ PI. iv.; 1895. 

 19th „ PI. viii. ; 1901. 

 Present Repert ; PI. vi. 

 19th Report; PI. viii. ; 1901. 



5) }> }) >> 

 )> J> » >) 



22nd Pl.'xvii. ; 1904. 

 19th „ PI. viii ; 1901. 



5J 5) )) J) 



* Described in 1901 as Phyllocotyle gurnardi. 



DESCRIPTION OF THE PLATES. 

 PLATE V. 



Caligus abbreviatus, Kroyer. Diam. 



Fig. 1. Female, dorsal view . . . . . x 14. 



Fig. 2. Female, young . . . . . . x 27. 



Fig. 3. Antennule . . . . . x 72. 



Fig. 4. Sternal fork ....... x 120. 



Fig. 5. Second maxilliped . . . . . x 45. 



Fig. 6. Foot of fourth pair ...... x 108. 



Lepeophtheirus sturionin, Kroyer. 



Fig. 7. Female, dorsal view . . . . . x 6 6. 



Fig. 8. Antennule . . . . . . x 72. 



Fig. 9. Antenna . . . . . . . x 45. 



Fig. 10. One of the "palpi" . . . . . x 67 5. 



Fig. 11. Second maxilliped . . .• . . x 45. 



Fig. 12. Sternal fork . . . . . . x 90. 



Fig. 13, Foot of fourth pair . . . . . x 28. 



Fig. 14. Last segment of abdomen and furcal joints . . x 31. 



Anthosoma crassum, Abgld. 



Fig. 15. Female, dorsal view . . . . . x 6. 



Fig. 16. Female, ventral view . . . . . x 6. 



