100 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



P. 1039. An arrangement of the Geophilidse. a family of Chilopoda. 

 By O. F. Cook. 



pp. 6S-76. 



P. 1040. Description of a new species of golden beetle from Costa 

 Rica. By Martin L. Linell. 



pp. 77-78. 



P. 1041. Two new species of beetles of tne Tenebrionii genus Echo- 

 cerus. By F. H. Chittenden. 



pp. 79-80. 



P. 1042. East African diplopoda of the suborder Polydesmoidea, col- 

 lected by Mr. William Astor Chanler. By O. F. Cook. 



pp. 81-111, 5 pis. 



P. 1043. Description of a new species of pipe&sh.~{Siphostoma scovillif 

 from Corpus Christi, Texas. By Barton W. Evermann and 

 William C. Kendall. 



pp. 113-115. 



P. 1044. Description of a new species of snake {Tcmtilla eiseni) from 

 California. By Leonhard Stejneger. 



pp. 117-118. 



P. 1045. Description of a new species of ground warbler from eastern 

 Mexico. By Robert Ridgway. 



pp. 119-120. 



P. 1046. East African odonata, collected by Dr. W. L. Abbott. By 

 Philip P. Calvert. 



pp. 121-142, 15 figs. 



P. 1047. Notes on the odonata from East Africa, collected by the 

 Chanler expedition. By Philip P. Calvert. 



pp. 143-145. 



P. 1048. On the proper name of the gunnels or butter-fishes. By 

 Theodore Gill. 



pp. 147-151. 



P. 1049. The differential characters of the ,syngnathid and hippo- 

 campid fishes. By Theodore Gill. 



pp. 153-159. 



P. 1050. Notes on the synonymy of the Torpedinidse or Narcobatidse. 

 By Theodore Gill. 



pp. 161-165. 



P. 1051. The families of synentognathous fishes and their nomencla- 

 ture. By Theodore Gill. 



pp. 167-178. 



P. 1052. On the application of the name Teuthis to a genus of fishes. 

 By Theodore Gill. 



pp. 179-389. 



P. 1053. Notes on the nomenclature of Seymnus or Scymnorhimis, a 

 genus of sharks. By Theodore Gill. 



pp. 191-193. 



