SCOTTISH TARDIGRADA, COLLECTED BY THE LAKE SURVEY. 



647 



D. Eggs spiny, spines imbedded in a 

 hyaline matrix. 



33. M. hastatus, sp. n. Inverness. 



E. Eggs unknown. 



34. M. dubius, sp. n. Inverness, Shetland. 



Diphascon. 

 A. Pharynx round or shortly oval. 



35. D. chilenense, Plate. Perth, Inverness, Orkney, 



Fife. 



36. D. bullatum, Murray. Loch Leven (Evans). 



37. D. oculatum, Murray. Forth Valley, Inver- 



ness. 



38. D. alpinum, Murray. Perth. 



B. Pharynx narrow, at least 1J times 

 as long as broad. 



39. D. spitzbergense, Richters. Inverness. 



40. D. angustatum, Murray. Inverness, Shetland, 



Perth, TJist, Fife. 



41. D. scoticum, Murray. Inverness, Perth, 



Lanark, Fife, Edinburgh. 



General Distribution. 







Britain. 



Polar Regions. 



Other Regions. 



1. Echiniscus arctomys, Ehr. 



Scotland, Orkney, 



Arctic, Antarctic. 



Europe, Asia, Africa. 







Shetland, 









2. E. mutabilis, Murray . 



Scotland, Orkney, 

 Shetland. 



Arctic (Spitsbergen). 



Asia (India). 





3. E. islandicus, Richters 



Shetland. 



Arctic (Iceland). 







4. E. gladiator, Murray . 



Scotland. 





Europe (Faroes). 





var. exarmatus, Murray 



Shetland. 









5. E. icendti, Richters 



Scotland. 



Arctic. 







6. E. reticulatus, Murray . 



Scotland. 





Asia (India). 





7. E. oihonnee, Richters 



Scotland. 



Arctic. 



Europe (Germany). 





8. E. gramdatus, Doy. 



Scotland 1 





Europe (France). 





9. E. Spitsbergen sis, Scourfield . 



Scotland. 



Arctic. 







10. E. quadrispinosus, Richters . 



Scotland, Shetland. 





Europe, S. America. 





11. E. muscieola, Plate 



Scotland ? 





Europe. 





12. Milnesium tardigradum, Doy. 



Scotland, Orkney, 

 Shetland. 





Europe, S. America, 

 Asia, S. Africa. 





13. Macrobiotus oberhauseri, Doy. 



Scotland. 



Arctic, Antarctic. 



Asia, Europe. 





14. M. ornatus, Richters 



Scotland. 



Arctic. 



Europe (Germany). 





15. M. zetlandicus, Murray 



Scotland, Shetland. 



Arctic (Spitzbergen). 



... 





16. M. macronyx, Dry. 



Scotland ? 



Arctic. 



Europe, America. 





17. M. angusti, Murray 



Scotland. 



Arctic 1 







18. M. annulatus, Murray . 



Scotland. 



Arctic. 







19. M. tuberculatus, Plate . 



Scotland, Shetland. 



Arctic. 



Europe (Germany). 





20. M. sattleri, Richters 



Scotland, Orkney. 



Antarctic. 



Europe, Asia. 





21. M. papillifer, Murray . 



Scotland. 









22. M. coronifer, Richters . 



Shetland. 



Arctic. 







23. M. crenulatus, Richters 



Scotland, Orkney, 

 Shetland. 



Arctic. 







24. M. harmsworthi, Murray 



Shetland. 



Arctic. 







25. M. hufelandi, C Sch. . 



Scotland, Orkney, 

 Shetland. 



Arctic, Antarctic. 



Europe, Asia, 

 Africa, America. 





26. M, intermedins, Plate . 



Scotland. 



Arctic, Antarctic. 



Europe, Asia, 

 America. 





27. M. orcadensis, Murray . 



Orkney. 



. . . 







28. M. echinogenitus, Richters . 



Scotland, Orkney, 

 Shetland. 



Arctic, Antarctic. 



Europe, Asia, 

 Africa, America. 





29. M. islandicus, Richters 



Scotland ? 



Arctic. 







30. M. dispar, Murray 



Scotland, England, 



Arctic. 



Asia. 







Shetland. 







