CONTENTS. XV 



CLASS III. PISCES Continued. 

 ORDER G. BATOIDEI Continued. 



Family XXV. Narcobatidse Continued. Page. 



Genus 51. Discopyge, Tschudi 78 



113. ommata, Jordan & Gilbert 78 



SUBORDER MASTICURA 79 



Family XXVI. Dasyatidx 79 



Genus 52. Urolophus, Muller & Henle 79 



114. halleri, Cooper 80 



115. nebulosus, Carman 80 



116. jamaicensis (Cuvier) ___ 81 



117. mundus (Gill) 81 



118. goodei, Jordan & Bollman 81 



119. aspidurus, Jordan & Gilbert 81 



120. asterias, Jordan & Gilbert 82 



Genus 53. Dasyatis, Bafinesque 82 



Subgenus Hemitrygon, Miiiler & Henle . 83 



121. centrura (Mitchill) 83 



Subgenus Dasyatis 83 



122. hastata (De Kay) 83 



123. gymnura (Muller) 84 



124. sabina (Le Sueur) 84 



125. longa, Garman 85 



126. dipterura, Jordan & Gilbert 85 



127. say (Le Sueur) 86 



Genus 54. Pteroplatea, Muller & Henle 86 



128. maclura (Le Sueur) 86 



129. crebripunctata, Peters 87 



130. marmorata, Cooper 87 



Family XXVII. Myliobatidse 87 



Gemu>55. Aetobatus, Blainville _ 88 



131. narinari (Euphrasen) 88 



132. laticeps (Gill) 88 



Genus 56. Myliobatis, Dumeril 89 



Subgenus Myliobatis 89 



133. freminvillei, Le Sueur 89 



Subgenus Holorhinus, Gill 89 



134. calif ornicus, Gill 89 



Genus 57. Khinoptera, Kuhl _ 90 



Subgenus Rhinoptera 90 



135. bonasus (Mitchill) 90 



136. steindachneri, Evermann & Jenkins 91 



Subgenus Micromesus, Gill 91 



137. ensenadae, Rosa Smith 91 



Family XXVIII. ManKdse 91 



Genus 58. Aodon, Lacepede 91 



138. hypostomus (Bancroft) 92 



Genus 59. Manta (Bancroft) 92 



139. birostris (Walbaum) 92 



SUBCLASS HOLOCEPHALI 93 



ORDER H. CHIM^EROIDEI 93 



Family XXIX. Chimtcridte . 93 



Genus 60. Chimaera, Linnaeus 94 



140. monstrosa, Linnaeus 94 



141. affinis, Capello 95 



Genus 61. Hydrolagus, Gill 95 



142. colliei (Lay & Bennett) 95 



Genus 62. Harriotta, Goode & Bean 96 



143. raleighana, Goode & Bean 96 



P. N. A. II. 



