XII CONTENTS. 



CLASS III. PISCES Continued. Page. 



ORDER B. ASTEROSPONDYLI 19 



SUBORDER PROARTHRI 19 



Family VII. Helerodontidse 19 



Genus 13. Gyropleurodus, Gill 20 



20. francisci (Girard) 20 



21. quoyi (Freminville) 21 



SUBORDER GALEI 21 



Family VIII. Scylliorhinidie 22 



Genus 14. Scylliorhinus, Blainville 22 



22. profundorum, Goode <fe Bean 22 



Genus 15. Catulus, Smith 23 



Subgenus Catulus 24 



23. xaniurus, Gilbert 24 



24. brunneus, Gilbert 24 



25. cephalus, Gilbert 24 



26. retifer (Garman) 25 



Subgenus Cephaloscyllium, Gill 25 



27. uter, Jordan & Gilbert 25 



Family IX. Ginglymostomidx 25 



Genus 16. Ginglymostoma, Miiller & Henle 26 



28. cirratum (Gmelin) 26 



Family X. Pseudotriakidte 26 



Genus 17. Pseudotriakis, Capello 27 



29. microdon, Capello 27 



Family XI. Galeidse 27 



Genus 18. Mustelus, Cuvier 28 



SO. lunulatus, Jordan & Gilbert 28 



31. canis (Mitchill) 29 



Genus 19. Galeus, Rafinesque 29 



32. dorsalis (Gill) 30 



33. californicus (Gill) 30 



Genus 20. Khinotriacis, Gill 30 



34. henlei, Gill 31 



Genus 21. Triakis, Miiller & Henle 31 



35. semifasciatum, Girard 31 



Genus 22. Galeorhinus, Blainville 31 



36. zyopterus, Jordan & Gilbert 32 



Genus 23. Galeocerdo, Muller & Henle 32 



37. tigrinus, Muller & Henle 32 



Genus 24. Prionace, Cantor 33 



38. glauca (Linnaeus) 33 



Genus 25. Carcharhinus, Blainville 33 



Subgenus Platypodon, Gill 35 



39. obscurus (Le Sueur) : 35 



40. platyrhynchus (Gilbert) 36 



41. falciformis (Bibron) 36 



42. acronotus (Poey) 36 



43. perezi (Poey) 36 



44. remotus (Valenciennes) 37 



45. henlei (Valenciennes) 37 



Subgenus Carcharhinus 37 



46. milberti (Muller & Henle) 37 



47. lamiella (Jordan & Gilbert) 37 



48. lamia (Rafinesque) -38 



49. platyodon (Poey) 39 



50. fronto (Jordan & Gilbert) 39 



61. nicaraguensis (Gill & Bransford) 39 



