28 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Trematoda. — Octocotyle scombri (Kuhn), on gills of 

 Mackerel, Isle-of-Man. Onchqcotyle appendiculata (Kuhn), 

 on gills of Rata batis, off-shore stations. 



Cumacea. — Eudorellopsis deformis (Kroyer), on bottom, 

 N.W. of Bahama Light Ship. Pseudocuma similis, G. 0. 

 Sars, on bottom, N.W. of Bahama Light Ship. 



Ostracoda. — Cythere pellucida, Baird, in shore pools, 

 nearPiel. C.porcellanece, Brady, in shore pools, near Piel. 

 C. f/ibbosa, B. & R, in shore pools, near Piel. 



Branchiura. — Argulus foliaceus (Linn.), on trout from 

 the Kibble, sent to University College for examination. 



Copepoda (free). — Stephus gyrans (Giesbrecht) , amongst 

 Laminaria, low tide Barrow channel. Idya minor, T. and 

 A. Scott, amongst Laminaria, low tide Barrow channel. 



Copepoda (parasitic) — Bomolochus solece, Claus, in the 

 nostrils of Cod, Barrow channel. Caligus minimus, Otto, 

 inside the mouth of Bass, Labrax lupus, Barrow channel. 

 C. sp**, inside the mouth of Gurnard, Trigla gumardus, 

 Barrow channel, *PseudocaUgtis brevipedes (B. Smith), 

 inside the mouth of 3 bearded Kockling, Onus tricirratus, 

 Barrow channel. Lepeopktheirus pollachii, B. Smith, 

 on the tongue of Pollack, Gadus pollachius, off-shore 

 stations. Cyncus pallidus (Van Beneden), on the gills 

 of Conger, Barrow channel. Chondracanthus cornutus 

 (Miiller), on the gills of Flounder, Barrow channel. 

 G. clavatus, B. Smith, on the gills of Lemon Sole, 

 Barrow channel. Charopin-us dalmanni (Betzius), in 

 the spiracle of R. batis and R. clavata, off- shore stations. 

 Brachiella insidiosa, Heller, on the gills of the Hake, 

 off-shore stations. 



Mr. Scott lias started work on the worm parasites of 

 fishes, and the two Trematodes recorded above are the 

 first fruits of his labour. Cythere pellucida is the 

 * New genus. ** Apparently a new species. 



