206 On Crustacea from the Firth of Forth. 



was taken ; it inhabited a tube a little longer than itself, 

 formed of fine black mud bound together with some kind ot 

 glutinous substance. 



Petalomera declivisj G. 0. Sarg. 



This little Cumacean was taken in the Firtii of Forth some 

 time ago, but not identified at the time. 'J'he Ecv. T. R. R. 

 Stebbing, M.A., to whom we are indebted for the names of 

 these three species, states that Petalomera declivis " has 

 probably not yet been recorded as British." 



EXPLANATION OF THE PLATES. 

 PL4TE XV. 



Ltchomolgus agilis, sp. n. 



Fig. \. Adult female, seen from above. Magn. 46"7 diam. 



Fig. 2. Anterior antennae. Magn. 190 diam. 



Fig. 3. Posterior antennae. Magn. 127 diam. 



Fig. 4. First segment of body. Magn. 80 diam. a, rostrum ; b, ante- 

 rior antennae ; c, siphon ; d, posterior antennae ; e, mandible ; 

 /, maxilla ; g, first foot-jaw ; h, second foot-jaw ; i, Hrst feet. 



Fig. 5. Rostrum (r) ; siphon («). Magn. 95 diam. 



Fig. 6. Mandible ; maxilla (a). Magn. 460 diam. 



Fig. 7. Anterior foot-jaw. Magn. 460 diam. 



Fig. 8, Posterior foot-jaw of male. Magn. 253 diam. 



Fig. 9. Posterior foot-jaw of female. Magn. 253 diam. 



Fig. 10. Foot of first pair. Magn. 190 diam. 



Fi(/. 11. Foot of fourth pair. Magn. 190 diam. 



Fig. 12. Foot of fifth pair. Magn. 380 diam. 



Fig. 13. Abdomen of female. Magn. 80 diam. 



Fig. 14. Abdomen of male. Magn. 80 diam. 



Plate XVI. 



? Enterocola eruca, Norman. 



Fig. 1. Adult female, seen from below. Magn. 16'6 diam. 



Fig. 2. Adult female, seen from right side. Magn. 16-6 diam. 



Fig. 3. Adult female, seen from above. Magn. 345 diam. 



Fig. 4. Anterior antennae. Magn. 345 diam. 



Fig. 5. Posterior antennae. Magn. 247 diam. 



Fig. 6. Mandibles. Magn. 247 diam. 



Fig. 7. Anterior foot-jaw. Magn. 690 diam. 



Fig. 8. Posterior foot-jaw. Magn. 345 diam. 



Fig. 9. Foot of first pair. Magn. 190 diam. 



Fig. 10. Foot of fourth pair. Magn. 190 diam, 



Fig.W. Abdomen of female. Magn. 40 diam. 



