152 REPORT OF NATIONAL MUSEUM, 1899. 



No. 1153. A revision of the wrens of the genus Thryomnncs Sclater. By Harry C. 



01)erholser. pp. 421-450. 

 No. 1154. American Oniscoid Diplopoda of the order Merocheta. By O. F. C'ook. 



pp. 451-468, pis. 29-32. 

 No. 1155. The osteology and relationships of the family Zeidee. By Edwin Chapin 



Starks. pp. 469-476, pis. 33-38. 

 No. 1156. A contribution to a knowledge of the variations of the Tree Frog, Hyla 



regilla. By Frederick Cleveland Test. pp. 477-492, pi. 39. 

 No. 1157. Japanese Hymenoptera of the family Tenthredinidse. By C. L. Marlatt. 



pp. 493-506. 

 No. 1158. A contribution to a knowledge of the fresh-water crabs of America — The 



Pseudothelphusina\ By Mary J. Rathbun. pp. 507-537, figs. 1-17. 

 No. 1159. Notes on a collection of fishes from INIexico, with description of a new 



species of Plati/fxecilus. By Barton A. Bean. pp. 539-542, 1 fig. 

 No. 1160. The leeches of the U. S. National Museum. By J. Percy Moore, pp. 



543-563, pi. 40. 

 No. 1161. On the occurrence of Cauloleph long id ens GiU on the coast of California. 



By Charles Henry Gilbert, pp. 565, 566. 

 No. 1162. The Brachyura collected by the U. S. Fish Commission steamer Albatross 



on the voyage from Norfolk, Va., to San Francisco, Cal., 1887-88. By 



Mary J. Rathbun. pp. 567-616, pis. 41-44. 

 No. 1163. On the nomenclature of the Whalebone whales of the Tenth Edition of 



Linnseus's " Systema Naturae. " By Frederick "W. True. pp. 617-635. 

 No. 1164. A new snake from the Eocene of Alabama. By Frederic A. Lucas, pp. 



637, 638, pis. 45, 46. 

 No. 1165. Notes on the capture of rare fishes. By Barton A. Bean. pp. 639, 640. 

 No. 1166. The feather-tracts of North American Grouse and Quail. By Hubert 



Lyman Clark, pp. 641-653, pis. 47-49, figs. 1-4. 

 No. 1167. Notes on Oxycotius acuticeps (Gilbert) from Sitka and Kadiak, Alaska. By 



Tarleton H. Bean and Barton A. Bean. pp. 655, 656. 

 No. 1168. African Diplopoda of the genus Poc/iy^o/HS. By O. F. Cook. pp. 667-676, 



pis. 50-52. 

 No. 1169. The Diplopod family Striariida3. By O. F. Cook. pp. 667-676, pis. 53, 54. 

 No. 1170. African Diplopoda of the family Gomphodesmidse. By O. F. Cook. pp. 



677-739, pis. 55-61. 

 No. 1171. Hydroida from Alaska and Puget Sound. By Charles Cleveland Nutting. 



pp. 741-753, pis. 62-64. 

 No. 1172. The fossil Bison of North America. By Frederic A. Lucas, pp. 755-771, 



pis. 65-84, figs. 1, 2. 

 No. 1173. Petrograi:)hic report on rocks from the United States-Mexico boundary. 



By Edwin C. E. Lord. pp. 773-782, pi. 85. 

 No. 1174. The land reptiles of the Hawaiian Islands. By Leonhard Stejneger. pp. 



783-813, figs. 1-13. 

 No. 1175. Key to the isopods of the Pacific Coast of North America, with descrip- 

 tions of 22 new species. By Harriet Richardson, pp. 815-869, figs. 



1-34. 

 No. 1176. Description of a new species of subterranean isopod. By W. P. Hay. pp. 



871, 872, pi. 86. 

 No. 1177. Synopsis of the recent and Tertiary Lejjtonacea of North America and the 



West Indies. By William H. Dall. pp, 873-897, pis. 87, 88. 

 No. 1178. Description of anew genus and species of Discoglossoid Toad from North 



America. By Leonhard Stejneger. pp. 899-901, pi. 89. 



