CONTENTS. XIII 



CLASS III. PISCES Continued. 



ORDER K. ASTEROSPONDYLI Continued. 



Family XI. <~;l<-i<!n Continued. Pago. 



Subgenus Isogoinphodon, Gill 40 



52. H-thaloriis (Jordan & Gilbert) 40 



53. limhatiis (Miillcr & Henle) 40 



:>!. oxyrhym-hus (Miilli-r A: Hcnle) 40 



Genus 2<>. Ilyiioprion, Mliller & Henle 41 



55. brevirostris, Poey 41 



56. signatr.s, Poey 41 



Genus 27. Apriouodon, Gill 42 



57. isodon (Miiller & Henle) .. 42 



Genus 28. Scoliodon, Miiller & Henle 42 



longurio (Jordan & Gilbert) 42 



59. terra?-nova> (Richardson) 43 



Faiirily ML Spluj mid;,- 43 



Genus 29. Sphyrna, Bafinesque 43 



Subgenus Reniceps, Gill 44 



60. tiburo (Linnams) 44 



Subgenus Platysqualus, Swainson 44 



61. tudcs (Cuvier) 44 



Subgenus Sphyrna 45 



62. zyga;na (Linnreus) 45 



Family XIII. Alopiidtc 45 



Genus 30. Alopias, Rafinesque 45 



63. vulpes (Gmelin) ' 45 



Family XIV. Carchariidie 46 



Genus 31. Carcharias, Rafinesque 46 



Subgenus Eugomphodus, Gill 46 



64. littoralis (Mitchill) 46 



Family XV. Lamnidte 47 



Genus 32. Isurus, Rafinesque _ 47 



Subgenus Isaropsis, Gill 48 



65. dekayi (Gill) 48 



Subgenus Isunis 48 



66. oxyrhynchtis, Rafineeque 48 



Genus 33. Lamna, Cuvier 49 



67. cornubica (Gmelin) 49 



Genus 34. Carcharodon, Smith 50 



68. carcharias (Linnanis) 50 



Family XVI. Celorhinidse 50 



Genus 35. Cetorhinus, Blainville i 51 



G'.. maximus (Gunner) 51 



Fiti/iil;/ XVII. Rldnodontidx 52 



Genus 36. Micristodus (Gill) 52 



70. punctatuB, Gill 52 



ORDER F. CYCLOSPONDYLI 52 



SUBORDER CYCJ.OSPONDYLI 53 



Family XVIII. SiuaMte 53 



Genus 37. Squalus (Artedi) Liun;i-us 53 



71. acanthias, Linmeus 54 



72. sucklii (Girard) 54 



Genus 38. Centroscyinnus, Bocage & Capello f 54 



73. ecelolepis, Bocage & Capello 55 



Genus 39. Etmopterus, Rafinesque 55 



71. pusillus (Lowe) - 55 



Genus 40. Centroscyllium, Miiller & Henle 56 



75. fabricii (Reiuhardt) 56 



