1899.] PABASITIC OOPEPODA ON PISHES. 499 



(4) ACTHEEES SELACHIOEUM. $ . 



Actheres selach{orumK.urz, Zeitsehrift wissens. Zool. xxix. 1877, 

 p. 385, pi. XXV. fig. 1. 



Host : Mustelus Icevis, Myliohatis aqiiila. 



G. 6. Lern^opoda Kroyer. 



Cephalothorax short, single-jointed, stout, distinctly separated 

 from the body. First maxillipeds placed not far behind the mouth. 

 Second maxillipeds long, thin, arm-like, united at the end, bearing 

 a disc of attachment. Genital segment elongated, bag-like, not 

 segmented. 



Male minute ; cephalothorax distinct ; abdomen elongated, 

 segmented ; articulate limbs present. 



(1) LeENjEOPODA elongata. $ c? . 



Lerncea elongata Grant, Edinb. Journ. of Science, vii. 1827, 



p. 147, pi. ii. fig. 5. 

 Lemceopoda elonc/ata M.-E. Hist. Nat. Crust, iii. 1840, p. 515. 

 „ „ Baird, Brit. Entom. 1850, p. 333, pi. xxxv. 



fig. 5. 

 „ „ Stp. & Liitk. Bidrag til Kundskab, 1861, 



p. 422, pi. XV. fig. 37. 

 „ „ V. Ben. Eech. sur la Faune lit. Belg. 1861, 



p. 154. 

 In Coll. Brit. Mus. 

 Host : eye of Shark. Greenland. 



(2) LEENiEOPODA STELLATA. $ . 



Lernceopoda stellata Mayor, Bull, de la Soc. Phil. 1824, p. 24, 

 pi. i. fig. 2. 

 „ „ Eathke, Nova. Act. Acad. Caes. Leop. 1839, 



p. 154. 

 „ „ M.-E. Hist. Nat. Cnist. iii. 1840, p. 515, 



pi. xl. fig. 12. 

 Host : — ? Norway. 



(3) LeeNjEopoda galei. 5 c? . 



Lernceopoda galei Kr. Tidsskrift, vol. i. 1837, p. 272, pi. iii. fig. 5. 

 „ M.-E. Hist. Nat. Crust, iii. 1840, p. 516. 

 „ „ Baird, Brit. Entom. 1850, p. 334, pi. xxxv. 



fig. 7. 

 „ „ V. Bened. Ann. des Sci. Nat. 3 ser. xvi. 1851, 



p. 120, pi. iv. 

 „ „ B.-S. Jour. M. B. Assn. Plymouth, 1896, p. 163. 



„ musteli Tliomson, Trans. N. Z. Inst. xxii. 1889, 



p. 373, pi. xxviii. fig. 9. 

 In Coll. Brit. Mus. 



Hosts : fins of Mustelus vulgaris, M. antarcticus, Squalus 

 acaiitlius, iScyllium canicida. 



