438 Dr. Johnston’s Index to the British Annelides. 
tab. 109. fig. 3,4. ‘Turt. Brit. Faun. 128. Dalyell on Planariz, 
98. fig. 3-5 and 15. 
Planaria fusca, Penn. Brit. Zool. iv. 68. 
Fasciola nigra, Mull. Verm. i. ii. 54. 
Hirudo nigra, Kirby in Linn. Trans. ii. 317. 
Pee syusce. 
Planaria fusca, Pallas, Templeton in Mag. N. Hist. ix. 239. 
Fasciola torva, Mull. Verm. i. ii. 62. 
Planaria torva, Mull. Zool. Dan. Prod. 2688. Zool. Dan. iii. 48. 
tab. 109. fig. 5, 6. Turt. Gmel. iv. 64. 
Planaria fusca, Turt. Gmel. iv. 64. Stew. Elem. i. 855. 
Planaria Arethusa, Dalyell on Planariz, 85. fig. 11-14. 
Obs. I have reduced Pl. fusca and torva to one species on the 
authority of Dugés. 
12. P. lactea. 
Fasciola lactea, Mull. Verm. i.ii. 61. 
Planaria lactea, Mull. Zool. Dan. Prod. 2687. Zool. Dan. iii. 47. 
tab. 109. fig. 1,2. Turt. Gmel.iv.64. Stew. Elem. ii. 355. Edin. 
Journ. Nat. and Geogr. Se. ili. 242 and 243. 
Hirudo aiba, Kirby in Linn. Trans. 11. 316. 
Planaria alba, Turt. Brit. Faun. 129. 
13. P. panniculata. 
Planaria panniculata, Dalyell on Planariz, 37. fig. 6, 7. 
14. P. felina. 
Planaria felina, Dalyell on Planariz, 42. fig. 8. 
Dalyellia. 
Dalyellia, Flem. Phil. Zool. ii. 605. 
1. D. graminea. 
Hirudo viridis, Shawin Linn. Trans. i. 92. Johnson on Med. Leech, 19. 
Planaria viridis, Turt. Brit. Faun. 129. Stew. Elem. ii. 355. 
Planaria graminea, Dalyell on Planarie, 114. fig. 16. 
Obs. Distinct from the Pl. viridis of Muller, but surely identical 
with his Pl. Helluo. 
2. D. velox. 
Planaria velox, Dalyell on Planariz, 127. fig. 17. 
3. D. edinensis. 
Planaria edineénsis, Dalyell on Planariz, 133. fig. 18. 
Tribe Htrupina. 
(MacLeay in Ann. Nat. Hist. iv. 385.) 
Les Hirudinées, Lam. Anim. s. Vert. v. 289. Flem. Phil. Zool. ti 
603-4. 
Family PuyLurnipz. 
Udonella. 
Udonella, Johnston in Loud. Mag. N. Hist. viii. 498. 
