HIGHER CRUSTACEA OF THE FIRTH OF CLYDE. 349 



the Faroe Channel. By means of the shrimp trawl, 

 we took, towards the mouth of the Firth of Clyde, 

 as many as one hundred specimens in a single haul, 

 the majority averaging IJ inches in length. 



In living specimens the eyes have black cornese. 

 The body is white and translucent, faintly tinged 

 with pink ; the anterior part of the carapace and 

 the ambulatory limbs mottled with reddish sj)ots. 

 The " phosphorescent organs " are carmine red in 

 €olour. 



Genus Boreophausia, G. O. Sars. 



Boreophausia, G. O. Sars, Prelim. Notices Challenger Schizo- 

 poda, Christiania Vidensk.-Selsk. Forhandl., 1888, No. 7, p. 11. 



BOREOPHAUSIA RASCHII. 



Thysanopoda Raschii, M. Sars, Videnskabs Selsk. Forhandl., 

 1863, p. 14. 



Several specimens in a tow-net attached to trawl, 

 from the channel between Little Cumbrae and Bute, 

 at a depth of 60 fathoms, on a muddy bottom. A 

 single specimen also dredged in Loch Long opposite 

 the mouth of Loch Goil, 45 fathoms, mud : an inter- 

 esting addition to the British fauna; we had, how- 

 ever, previously taken specimens in the Firth of 

 Forth in November, 1884. 



Family MYSIDAE. 



Genus Mysidopsis, G. O. Sars. 

 Mysidopsis, G. O. Sars, Beretning om en i Soninieren, 1863, 

 foretagen Zoologisk Reise, p. 27. 



MYSIDOPSIS DIDELPHYS. 



Mysis didelphys, Norman, Brit. Assoc. Rep., 1862, p. 118; 

 Trans. Tyneside Nat. Field Club, vol. v., p. 270, pi. xii., figs. 9-11. 



Mysidopsis didelphys, G. O. Sars, Beretning om en i Som- 

 meren, 1863, foretagen Zoologisk Reise, p. 27 ; Monogr. Norges 

 Mysider (2), 1872, p. 20, pi. vii. 



Two specimens taken off the Cloch Light, 43 

 fathoms, mud. 



MYSIDOPSIS GIBBOSA. 



Mysidopsis gibbosa, G. O. Sars, Beretning om en i Sommeren, 

 1863, foretagen Zoologisk Reise, p. 28; Monogr. Norges Mysider 

 (2), 1872, p. 23, pi. viii., figs. 1-13. 



