. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 4-6 ANNALS OF THE SOUTH AFRICAN MUSEUM Clinus obtusifrons (fig- 2, 4W) Material: 2 specimens, 24 and 36 mm., Liideritzbucht, South West Africa, rock pools from mid-tidal level down, 24211; 11 specimens, 56-93 mm., Port Nolloth, rock pools from mid-tidal level down, 24216; 1 specimen, 20 mm., 26 miles north of Swakopmund, South West Africa, rock pool at mid-tidal level, 24201; 5 specimens, 56-80 mm., Sea Point, rock pool at mid-tidal level, 23923; 3 specimens, 56-80 m
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 4-6 ANNALS OF THE SOUTH AFRICAN MUSEUM Clinus obtusifrons (fig- 2, 4W) Material: 2 specimens, 24 and 36 mm., Liideritzbucht, South West Africa, rock pools from mid-tidal level down, 24211; 11 specimens, 56-93 mm., Port Nolloth, rock pools from mid-tidal level down, 24216; 1 specimen, 20 mm., 26 miles north of Swakopmund, South West Africa, rock pool at mid-tidal level, 24201; 5 specimens, 56-80 mm., Sea Point, rock pool at mid-tidal level, 23923; 3 specimens, 56-80 mm., Gert du Toit Bay, southern Namaqualand, 24253; 12 specimens, 32-76 mm., Lam- bert's Bay, 24254; 3 specimens, 66-115 mm., Hondeklip Bay, rock pools from mid-tidal level down, 24670 (paratypes); 1 specimen, 116 mm., Hondeklip Bay, rock pool at mid-tidal level, 24671 (holo- type). Description Fin counts: D. XXX-XXXII (XXX-XXXI) 6-7; A. II 20-22 (20-21); P. 13; V. I 2-3; C. 13. First three dorsal spines not forming a crest, but equal to or longer than fourth and succeeding spines, second spine longest. First spine 27-34% of head length. No notch in membrane between third and fourth dorsal spines. Dorsal spines each with a single cirrus at tip. Pectoral fin rounded, invariably of thirteen rays. Inner pelvic ray minute or absent. Caudal peduncle short, 20-35% of head length, depth of caudal peduncle 20-35% of head length. Body covered with small scales, extending on to dorsal and caudal fin bases but not on to anal fin base or head. Depth at anal origin 4-5. Head heavy, 3-2-4-25 in standard length. Snout bluntly rounded, angle of profile obtuse. Interorbital flat in small specimens, concave in larger specimens (over 100 mm.), with marked bony ridges over the eye, 16-7-27-3% of head length. Eye 3-4-5 in head. Supra-orbital tentacle with a flattened stalk terminating in several short, simple branches. Some mucus pores on head opening on small papillae. N
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
