. The marine invertebrates and fishes of St. Andrews . und in shale at the Castle Rocks; commonly metwith on the beach after storms, sometimes in a perfect con-dition. Pholas crispata, L. Op. cit. iii. p. 112, v. pi. 53. f. 1. Abundant in the soft shale and sandstone at East and WestRocks, and especially opposite the castle. Occasionally thesiphons are observed protruding through sand which coatssome of the ledges. Young specimens are often cast ashoreon the West Sands in water-logged and decayed wood, whencethey are extracted by the sea-fowl. Genus 3. Xylophaga, Turton. Xyhphaga dorsalis, Tur
. The marine invertebrates and fishes of St. Andrews . und in shale at the Castle Rocks; commonly metwith on the beach after storms, sometimes in a perfect con-dition. Pholas crispata, L. Op. cit. iii. p. 112, v. pi. 53. f. 1. Abundant in the soft shale and sandstone at East and WestRocks, and especially opposite the castle. Occasionally thesiphons are observed protruding through sand which coatssome of the ledges. Young specimens are often cast ashoreon the West Sands in water-logged and decayed wood, whencethey are extracted by the sea-fowl. Genus 3. Xylophaga, Turton. Xyhphaga dorsalis, Turton. Op. cit. iii. p. 120,v. pi. 53. f. 4. Not common; several living specimens occurred in thewood of a submerged thorn tree. 74 MAlilNK FAUNA OK ST. ANDKKWS. Order Solenoconchia. I am. Dentalidae, II. & A. Adams. (iellUS , L. Dentalium entalis, L. Op. cit. iii. p. 191, v. pi. 55. f. 1. Occurs on the West Sands in a living state after somestorms. The specimens procured from the fishing-boats aregenerally tenanted by Sipunculi. MOLLUSCA. 7) Class GASTEROPODA. Order I. Cyclobranchiata. Fam. Chitonidae, Guilding. Genus Chiton, L. Chiton fascicularis, L. Jeffreys, Brit. Moll. iii. p. pi. 55. f. 3. Abundant under stones between tide-marks. This species,like the limpet, forms considerable cavities in sandstone, sothat specimens become almost immersed. Chiton cinereus, L. Op. cit. iii. p. 218, v. pi. 55. f. 2. Common in deep water, and in the stomachs of the cod,haddock, and flounder. Chiton marginatus, Pennant. Op. cit. iii. p. 221, v. pi. 56. f. ?>.Frequent under stones between tide-marks. Chiton ruber, Lowe. Op. cit. iii. p. 224, v. pi. 56. f. between tide-marks at the East Rocks. (Chiton hivis (Pennant), Mont. Op. cit. iii. p. 226, v. pi. 56. f. stones at the verge of extreme low water duringspring tides. Rare; but the examples are large. Order II. 1. Patellidae, 1. Patella, Lister. Patella
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectfishes, booksubjectma
