192 Dr. W. C. Mcintosh on the XXVIII. — On the Invertebrate Marine Fauna and Fishes of St. Andrews. By W. C. M'Intosh. [Continued from p. 155.] Subclass ANNULATA DISCOPHORA. Fam. 1. Hirudinea, Savigny. Genus PoNTOBDELLA, Leach. Pontohdella muricata, L. ; Johnst. Cat. p. 39. Abundant on skate, and tossed on the West Sands after storms. Pontohdella Uttoralis, Johnst. Cat. p. 42. Not uncommon on Cottus hubalis thrown on the West Sands after storms, and occasionally in the stomach of the haddock. It is curious that an example of Fiscicola geometra should have been found on the former fish on the sands near the mouth of the Eden. Fam. 5. Malacobdellea, J. V. Carus. Genus Malacobdella, Blainville. Malacohdella grossa, O. F. Miiller ; Johnst. Cat. p. 35. Occasionally in Cyprina islandica. The late Dr. Fraser Thomson procured my specimen. Subclass ANNULATA OLIGOCH^TA. Fam. Lumbricina, D'Ud. Genus Clitellio, Sav. ClitelUo arenarius, O. F. Miiller ; Johnst. Cat. p. 66. In swarms imder stones on sandy and muddy ground between tide-marks. Subclass ANNULATA POLYCH^TA. Fam. 3. Apbroditidie. Genus Apheodita, L. AphrodUa actdeata, L. ; Malmgren, Annulat. Polychaet. &c. p. 3. Abundant in deep water, and thrown on the West Sands
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