36 MR JAMES MURRAY ON THE TARDIGRADA OF THE SOUTH ORKNEYS. 



EXPLANATION OF PLATES. 



PLATK I. 



1. Echiniscn* meridionals, n. sp. 

 a, lateral view. 



b, dorsal view. 



c, last leg, with fringe. 



d, outer and inner claw of last leg. 



2. Echini sous, sp. 1 

 a, dorsal view. 



b, outer and inner claw of last leg. 



3. Echinisetta, sp. ? 



a, dorsal view. 



b, outer and inner claw. 



4. Echiniscus, sp. ? 



5. Maerobiotus asperus, n. sp. 



a, lateral view. 



b, dorsal view. 



i; claws, seen from front. 



d, claws, seen from side. 



e, teeth and pharynx. 



PLATE II. 



6. Maerobiotus fun-atus, n. sp. 



a, dorsal view. 



I, teeth and pharynx, under pressure. 



c, claws. 



</, furca of tooth. 



PLATE III. 



7. Macrobiotic, sp. ? 



a, dorsal view. 



b, teeth and pharynx. 



c, claws. 



d, larger pair of claws. 



8. Maerobiotus, sp. ? 

 </, skin with three eggs. 



'(, claws of 4th leg. 



9. Maerobiotus, sp. / 



a, gullet and pharynx. 



b, claws. 



10. Maerobiotus, sp. .' 



a, teeth and pharynx. 



b, claws. 



PLATE IV. 



11. Diphascon alpinum, Murray. 



a, dorsal view. 



b, teeth and pharynx. 



c, the shorter pair of claws. 



d, claws of 4th leg. 



e, longer pair of claws. 



12. Diphascnn chilenense, Plate. 



a, dorsal view. 



b, teeth and pharynx. 



c, claws. 



13. Maerobiotus furcatus, n. sp., egg. 



a, complete egg. 



b, three of the furcate processes, from the side. 



c, two processes, seen from above. 



14. Maerobiotus echinogenitus, Richters '/ 



a, the egg. 



b, one process. 



15. Macrobiotue, sp. ? egg. 



a, the egg. 



b, a process, lateral view. 



c, a process, seen from above. 



16. Maerobiotus, sp. ? egg, process. 



17. Diphascon, long pair of claws of an 

 undescribed species. 



(ROY. soc. EDIN. TRASS., VOL. XLV., 334.) 



