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FISHES CHONDROPTERYGIANS q6. Blue Shark. Carcharias glaucus, Linn. Mentioned by Paget as seen occasionally at Yarmouth with the herring. Mr. Gunn records a specimen 5 ft. 4 in. long stranded on the beach at Yarmouth in 1866, which Lowe suggests might have been a tope. Hele records the cap- ture of a specimen at Aldeburgh, and a second stranded specimen 6 ft. long at Yarmouth is recorded in the Zoologht in 1867. 97. Tope. Galeus vulgaris, Flem. I identified a specimen taken in the trawl when I was on board a Lowestoft trawler on the Brown Ridges in 1895. It was a female 25 in. in length. 98. Hammerhead. Zygaena malleus, Risso. A specimen is on record as taken at Yarmouth in November 1829. 99. Smooth Hound. Mustelus vulgaris, Mullcr & Henle. A specimen 12 in. long was taken during my voyage on the Brown Ridges in 1895. I also saw a small specimen taken in the shrimp trawl on the Newcome Sand. The men called it a Sweet William, a name given by Dale in his Antiquities of Harwich, published in 1 830, to Galeus vulgaris. 100. Rough Hound or Small-spotted Dog-fish. Scyllium canicula, Linn. At Lowestoft according to Gurney. loi. Nurse Hound or Large-spotted Dog-fish. Scyllium catulus, Cuv. At Yarmouth according to Paget. 102. Porbeagle. Lamna cornuhica, Gmel. Two specimens taken at Yarmouth (Paget). Southwell in his Notes to Sir Thomas Browne's list states that a specimen 7 ft. long was taken t Lowestoft in October 1900, in drift-nets. 103. Thresher. Alopias vulpes, Gmel. This species was first described by Dr. Caius in 1570 from a specimen stranded between Lowestoft and Pakefield. Southwell mentions specimens at Lowestoft on 1 1 and 29 September 1897. Another occurred at the same place in November 1898 which was 14 ft. long. It is not infrequent in the mackerel season ; it preys on the mackerel and is entangled in the drift- nets. 104. Basking Shark. Selache maxima, Gmc. Paget states that several have been taken at Yarmouth at different times. 105. Picked Dog-fish or Spur-dog. Acanthias vulgaris, Risso. I saw a small specimen caught in the shrimp trawl on the Newcome Sand, but none on the Brown Ridges. It is probably common at times, but being a mid-water swimmer is usually caught in the drift-nets or by hook and line. 1 06. Greenland Shark. Laemargus microcephalus, Bl. Schn. Southwell records a male specimen 12^ ft. long taken off Kessingland in February 1875.' 107. Angel-fish or Monk-fish. Rhina squatina, Linn. A specimen was exhibited by fishermen on the beach at Lowestoft in August 1874 (T. Southwell). 108. Torpedo or Electric Ray. Torpedo nobi- liana, Bonap. In Lowe's supplementary list a fine specimen of T. vulgaris is stated to have been trawled at Lowestoft in December 1883. It was in all probability this species. 109. Common Skate. Rata hatis, Linn. Probably occurs in the deep water. I did not see any caught on the shallow grounds when I was at Lowestoft. 1 10. White Skate, Burton Skate. Rata alba, Lac6p. A fine example is mentioned by Day as taken off Yarmouth in October 1883, the first for twenty-five years according to the Eastern Daily Press at the time. 111. Thornback Ray. Raia clavaia, hinn. Common. I saw three young specimens taken in the trawl on the Brown Ridges they were about 12 in. in width. m 1895; 112. Spotted Ray or Homelyn Ray. Raia maculata, Montagu. Probably occurs, as it is common off Norfolk according to Lowe. 113. Sting Ray. Trygort pastinaca, hinn. Mr. Gurney in Lowe's list mentions one weighing about 2 stone which he saw taken off Kessingland in 1856 and which had a double spine. T. E. Gunn records one from Yarmouth 3 ft. 6 in. long which weighed 4 stone. 114. Eagle Ray. Mylicbatis aquila, Linn. One found dead on Lowestoft beach in June 1867. 'Zoo/. 1875. 171