Land, Fresh- Water, and Marine Crustacea. 361 



October 1895. This species appears to be of rare occurrence 

 in the Forth estuary. 



Family NicoTHOiDiE. 

 Genus (109) Nicothoe, Audouin and Milne-Edwards, 1826. 



256. Nicothoe astaci, And. and M.-Edwards. 



1826. Nicothoe astaci, And. and M.-Edwards, Aim. Sci. Nat., 1st 

 ser., vol. ix. p. 345, taf, 49, figs. 1-9. 



ITah. — Found adhering to the gills of a Lobster sent from 

 Dunbar. I am indebted to my colleague, Dr H. C. William- 

 son, for the specimens of the Nicothoe. The distribution of 

 the parasite appears to be co-extensive with that of its host. 



Family ERGASiLiDiE. 

 Genus (110) Bomolochus, Nordmann, 1832. 



257. Bomolochus solece, Glaus. 



1864. Bomolochus solece, Glaus, Zeitschrift fiir Wissensrhaft, Zool., 

 vol. xiv. p. 374, pi. XXXV. 



1893. ,, ,, T.Scott, Eleventh F. B. Rept., pr. iii. 



p. 212, pi. V. 



1902. ,, ,, idem, Twentieth F. B. Rept., pt. iii. 



p. 288, pi. xiii. figs. 13-18. 



Hah. — Firth of Forth ; found on the back of a Black Sole, 

 Solea vulgaris, and among dredged material, but in this case 

 the specimens must, in some way, have been detached from 

 the fish. Found in the nostrils of a Cod-fish by John Lindsay, 

 Edinburgh. This Bomolochus has been obtained in the nasal 

 fossae of several kinds of fishes, but it is most frequent in 

 those of the cod. 



258. Bomolochus onosi, T. Scott. 



1902. Bomolochus onosi, T. Scott, Twentieth F. B. Rept., pt. iii, 

 p. 289, pi. xiii. tigs. 19-22. 



Hah. — Firth of Forth, on the inside of the gill-covers of a 

 Five-bearded Rockling, Onos mustelus (Linn.), captured in the 

 estuary in May 1901. This Bomolochus has also been 



