CHECKLIST OF CEPHALOCHOEDATES, 4c.—0GlLBY. 81 



29. amblyrhynchos Bleeker. 



Nat. Tijds. Nederl. Ind., x, 1856, p. 467 (as Carcharias-Prionodon-ambly- 

 rhynchos.) 

 Unfigured. 



Dimensions : — No data. 

 Range :— Coast of North Queensland. Cape Bowling Green [Ogilby]. 



30. melanopterus Quoy & Gaimard. 



Voy. Urajiie, ZooL, 1824, p. 194 : Waigiou ; Giinther, CataL, viii, p. 369 ; 

 Macleay, CataL, 1077 ; Ogilby, Proc. Roy. Soc. Queensl., xxi, p. 88 

 (as Carcharias melanopterus) — Garman, Plagiost., i). 134. 

 Figure :— Jordan & Evermann, Bull. U.S. Fisher. Comm., xxui, pi. 1. 

 Dimensions : — ^To at least 3.66 mm. 



Range : — Coast of Queensland from south to north. Snapper Banks off Moreton 

 Bay, S.Q. {Ogilby). Nor-West Islet, M.Q. {Endeavour Coll.). Damley Island {Tosh 

 Coll.). 



31. spenceri Ogilby. " Estuaey Shark." 



Proc. Roy. Soc. Queensl., xxiii, 1911, p. 3 (adv. cop. 7 Nc>v. 1910) : 

 Brisbane River. 

 Unfigured. 



Dimensions :■ — -To at least 2-2 mm. 



Range : — Coasts and estuaries of South and Middle Queensland. Moreton 

 Bay, Brisbane River, and Great Sandy Strait, S.Q. {Ogilby). Old Woman Island 

 and Hervey Bay, S.Q., and Rocky Island Reef, M.Q. {Endeavour Coll.).^^ 



Subfamily (Z— CESTRACIONIN.E. " The Hammer-headed Sharks." 



Genus 20— CESTRACION Walbaum, Artedi Genera, 1792, p. 580 {zygcena). 

 Syn. — Sphyrtia Rafinesque 1810 ; Zygcena Cuvier 1817. 



Subgenus a— EUSPHYRA GiU, Ann. Lye. Nat. Hist. New York, vii, 1861, 

 p. 412 {blochii). 



32. blochii Cuvier. 



Regno Anim., ii, 1817, p. 127 : Indian Seas ; Giinther, CataL, viii, p. 380 

 (as Zygcena blochii) — Ogilby, Arm. Queensl. Mus., No. 9, p. 4 (as 

 Sphyrna blochii) — Garman, Plagiost., p. 156. 



Figure : — Day, Fish. India, pi. 184, fig. 4. 



Dimensions : — To at least 150 cm. ; " attains to a very large size." {Day, 

 from the reports of fishermen). 



Range : — Coast of North Queensland. Rockingham Bay {Ogilbtj). 



Subgenus yg— CESTRACION Walbaum, v. supr. 



33. lewini Lord. " Australian Hammerhead." 



In Griffith's Anim. Kingd., x, 1834, p. 640 (as Zygcena lewini) — Waite, Mem. 

 Austr. Mus., iv, 1899, p. 34 (as Sphyrna lewini). 

 Figure : — McCoy, Prodr., pi. 56, fig. 1 (as Zygcena malleus). 

 Dimensions : — To at least 3-66 milhm. 

 Range : — Coast of South Queensland. Moreton Bay {Q.M.). 



23 This is the common estuary shark of our rivers, and has been known to follow shoals of 

 fishes well beyond the tideway. A specimen 159 cm. long contained 8 fetus, each of which measured 

 from 43 to 47 cm., or an average of two sevenths of the total length of the mother. 



