114 MARINE FAUNA OF ST. ANDREWS. 



Subclass AXNULATA DISCOrHORA. 



Fam. 1. Hirudinea, Savigny. 



Genus Pontobdella, Leach. 



Pontobdella muricata, L. ; Johnst. Cat. p. 39. 



[Plate V. fig. 1.] 



Abundant on skate, and tossed on the West Sands after 



storms. 



Pontobdella littoralis, Johnst. Cat. p. 42. 

 [Plate V. figs. 3-6.] 

 Not uncommon on Coitus bubalis thrown on the West Sands 

 after storms, and occasionally in the stomach of the haddock. 

 It is curious that an example of Piscicola geometra (Plate V. 

 fig. 2) should have been found on the former fish on the sands 

 near the mouth of the Eden. 



Fam. 5. Malacobdellea, J. V. Cams. 

 Genus Malacobdella, Blainville. 

 Malacobdella grossa, 0. F. Muller ; Johnst. Cat. p. 35. 

 Occasionally in Cyprtna islandica. The late Dr. Frasei 

 Thomson procured my specimen. 



Subclass ANNULATA OLIGOCII^TA. 



Fam. Luinbrichia, D'Ud. 

 Genus Clitellio, Sav. 

 Clitellio arenarius, 0. F. Muller ; Johnst. Cat. p. 66. 

 In swarms under stones on sandy and muddy ground between 

 tide-marks. 



