Land, Fresh- Water, and Marine Crustacea. 369 



282. Zepeophtheirus salmonis (Kroyer). 



1837. Caligus salmonis, Kroyer, Naturhist. Tidssk., vol. i., pi. vi. 



fig. 7 a-c; vol. ii. (1838) pp. 13, 18. 

 1847. ,, Stromi, Baird, Trans. Berw. Naturalists Club. 

 1850. LepeopMheirus Stromi, Baird, Brit. Entom., p. 274, pi. xxxii. 



.figs. 8 and 9. 

 1850. ,, obscurus, idem, ibidem, p. 277, pi. xxxii. fig. 11. 



Hab. — On Salmon caught in the salmon nets in Largo Bay 

 and other parts of the estuary; frequent. 



Genus (123) Trebius, Kroyer, 1838. 



283. Trebius caudatus, Kroyer. 



1838. Trebius caudatus, Kroyer, Naturhist. Tidsskr. (1 838), R. i. B. ii. 



p. 30, pi. i. fig. 4. 

 1900. ,, „ T. Scott, Eighteenth F. B. Kept., pt. iii. 



p. 155, pi. vi. figs. 20-26. 



Hob. — Taken on the backs of grey (or blue) Skates, Raia 



batis; moderately frequent. 



Genus (124) Cecrops, Leach, 1816. 



284. Cecrops Latreillei, Leach. 



1816. Cecrops Latreillei, Leach, Encycl. Brit., Suppl. i., pi. xx. 



figs. 1-5. 

 1850. ,, ,, Baird, Brit. Entom., p. 293, pi. xxxiv. 



fig. 1. 



Hab. — Found on the gills of a Short Sunfish, captured in 

 the estuary in October 1890 (A. Scott). Cecrops appears to 

 be a common parasite on the gills of this species of Sunfish. 



Genus (125) Orthagoriscola, Franz Poche, 1902. 



(Syn. Lcemargus, Kroyer, 1838, name preoccupied for a 

 genus of Fishes.) 



285. Orthagoriscola muricata (Kroyer). 



1850. Lcemargus muricatus, Baird, Entomostraca, p. 295, pi. xxxiv. 



figs. 3 and 4. 

 1900. ,, ,, T. Scott, Eighteenth F. B. Sept., pt. iii. 



p. 158, pi. vi. figs. 39-42. 

 1902. Orthagoriscola muricata, Franz Poche, Zool. Anzeiger, 

 vol. xx vi. p. 15. 



Hob. — On the same Sunfish with the Cecrops just recorded 



