PLATE X. 



Figs. 1-5. Authracophaasia iraquairi (Peach) . . . . . . . . . . . . Page G7. 



1. Nat. size. Eeproduction of original figui-e fi-ora Trans. Itoi/. Sor. Edin., 1882, vol. xxx., 



pi. X., fig. 5a. Locality, Glencartholm, Langholm. Dunifries.shire. M. 694^. 



2. Nat. size. Repi'oduction of fig. 5b, loc. cit. Same locality. M. 941''. 



3. Nat. size. Trunk and tail of (?) female presei'ved in relief : r. i-ostrum, s. Ijasal scale of 



antenna, m. mandible, en. endopodites of trunk limbs, e.c. exopodites of same : 1-5. basal 

 joints of pleopods. Same locality. M. 2582''. 



4. Nat. size. Counterpart of fig. 3. 



5. Branch of gill of tig. 1, magnified. 



Fig. 6. Branch of gill of recent Euphausia pellucida Dana, magnified, aftei- G. 0. Sars, for com- 

 paiison. . . . . . . . , . . . . . . . . . . Page 69. 



Figs. 7-11. C'ranyopsis socicdis Salter .. .. .. .. .. .. .. Page 69. 



7. Presented to the Survey Collection by Wm. Ander.son. Mag. 3 diam. Trunk and pait 



of tail of (?) female : e. eye, a. antennules, an. antennie, s. basal scale, era. endopodites 

 of trunk limbs; 1-5. pleopods of tail segments. Locality, Ardross Shore, near St. 

 Monans, East Fife. 



8. Presented by Wm. Anderson. Mag. 3 diam. Trunk .and tail of another (i) female; 



(/'. ? gills ; other lettering as above. Same locality. 



9. Pre.sented by Wm. Anderson. Mag. 3 diam. Tail of male showing underside: 1. 



pleopods of first pair. 2. jileopods of second pair, aiiu. anus. Same locality. 



10. Presented by Wm. Anderson. Mag. 3 diam. Part of tail and fan, Same locality. 



11. Restoration of male. Masjnified about 2 diam. 



