156 ANNALS OF SCOTTISH NATURAL HISTORY 
serves to distinguish them at a glance from either oreo- 
phausia or Nyctiphanes. 
Explanation of Plate VI. 
Lichomolgus aberdonensts, n. sp. 
Fig. 1. Adult female x 40 
,» 2. Anterior antenna xe IGs 
» 3. Posterior antenna . 25 
» 4. Mandible; a, maxilla oe aE 
, 5. Anterior foot-jaw x 190 
, 6. Posterior foot-jaw (female) x90 
» 7. Posterior foot-jaw (male) x 190 
,, 9. Foot of first pair xg 
» 9. Foot of fourth pair 5 
,, 10. Foot of fifth pair (female) x E25 
,, 11. Foot of fifth pair (male) . x 525 
,, 12. Abdomen of male . x i4o 
Explanation of Plate VII. 
Lichomolgus arenicolus, Brady. 
Fig. r. Adult Female <i e 
2. Anterior antenna <5 
» . 3. Posterior antenna x LOG 
pe wlandible ~ 250 
=) 5) Maxilla x 280 
, 6. Anterior foot-jaw x 280 
» 7+ Posterior foot-jaw . x 280 
» & Foot of first pair 125 
» @- Foot of fourth pair x 385 
5 fo: Hoot of fifth pair x 190 
