314 THE FRESH- WATER LOCHS OF SCOTLAND 
paper on Scottish Tardigrada,^ two species, Mac7vbiotiis islandicus and 
M. macronyx^ have been deleted from the list, and M. tetradactylus has 
been added. Few of them are exclusively aquatic species. Most of 
them are at home among ground moss, and are casual in lakes. Four 
species are truly aquatic — M, dispar, M. ambiguus, M. hastatus^ and 
M. annulatus. Three others are only known in this country from lake- 
margins — Echiniscus retkidatus^ M. papillifer^ and M. pidlari. 
25. Echiniscus arctomys^ Ehr. Common. 
26. E. jnidabilis^ Murray. Common. 
27. E. gladiator^ Murray. Loch Ness, Loch Morar. 
28. E. weiidti^ Richters. Loch Morar, Loch Earn, Loch Tay. 
29. E. reticidatus^ Murray. I^och Morar, Loch Ness, Loch Earn. 
30. E. oihonnce^ Richters. Loch Ness, Loch Earn. 
31. E. granulatus, Do v. Loch Morar, Loch Ness, Loch Tay. 
32. E. spitsbergensis^ Scourfield. Loch Morar, Loch Earn. 
33. E. quadrispinosus^ Richters. Loch Morar, I^och Ness. 
34. Alibieshmi tardigradum^ Doy. Loch Ness. 
35. Macrobiotus Imfelandii^ Sch. Common. 
36. M. intermedins, Plate. Loch Morar. 
37. M. echinogenitns, Richters. Common. 
38. M. dispar, Murray. Loch Tay. 
39. M. ambignns, Murray. Loch Ness. 
40. ilf. pullari, Murray. Gryfe Reservoir. 
41. M. hastatus, Murray. Loch Tay. 
42. M. oberhdnseri^ I^oy- Loch Ness. 
43. M. oniatus, Richters. Loch Ness. 
44. M. tubercidatns, Plate. Loch Morar. 
45. M. sattleri, Richters. Loch Eai-n. 
46. M. papillifer, Murray. Loch Ness, Loch Morar. 
47. M. anmdatus, Murray. Loch Morar. 
48. M. tetradactylns, Greeff. Loch Ness. 
49. Diphascon chilenense, Plate. Common. 
50. D. spitzbergensis, Richters. Loch Ness. 
51. D. angustatum, Murray. Loch Ness. 
52. D. scoticum, Murray. Loch Morar. 
53. D. bidlatunu Murray. Loch Leven. 
54. D. ocidatum, Murray. Loch Ness. 
Insecta. — I'here was no entomologist on the Lake Survey staff, 
nor were Insects even specially collected, except in a few lochs, and 
those among the deeper lochs, where insect life is not very abundant. 
Incidentally a few species have been noted. A few beetles, etc., 
1 Trans. Eoy. Soc. Edin., vol. xlv. p. 642, 1907. 
