VIII TABLE OF CONTENTS. 



Moore, J. Percy. The Tjeeches of the U. S. ISTational Mu- 

 seum.— No. 1160. November 21, ISOS' 543-563 



New genus: Protoclepsine. 



New species: Protoclepsine sesocuJala, Placohdellaniexivana, Tracheloh- 

 deUa maculaia, T. rugosa, PiseieoJa zebra, Dina anocnlaia. 



Nutting, Charles Cleveland. Hydroida from Alaska and 



Puget Sound.— No. 1171. April 29, 1899 ' 741-753 



New species: Campanularia kincaidi, C. lineaia, Halecium geniculatum, 

 H. corrugatum, Hydrallmanin distans. 



Oberholser, Harry C. A Revision of the Wrens of the 



Genus Thryomanes Sclater.— No. 1153. November 19, 1898 ' . 421-450 



New subspecies : Thryomanes bnvickii crypius, T. h. eremophilus, T. h. 

 percnus, T. h. charieniin-KS, T. h. drymaeiis, T. h. calophoinia, T. h. 

 nesopMlus. 



Rathbun, Mary J. A Contribution to a Knowledge of the 

 Fresh-water Crabs of America. — The Pseudotheli)husina:'. — 

 No. 1158. November 21 , 1898 ' 507-537 



New 8})ecies : Pxeudothelphiisa exilipes, P. agresfis, P. heUiana, P. mon- 

 tana, P. tunmnanus, P. nohiUi, P. honvieri, P. agassizu, P. fossor, P. 

 dilatata, P. sulcifrons, P. garmaiii, P. affinis, P. ma.riUipes, P. conrexa, 

 P.pitfieri, P. peruviana. 



The Brachyura Collected by the U. S. Fish Commis- 

 sion steamer Albatross on the Voyage from Norfolk, Vir- 

 ginia, to San Francisco, California, 1887-88.7— No. 1162. 

 November 22, 1898 i 567-616 



New genera: Lipa'sihesins, Ecta-sthesiits, Oralipes, Tetrias. 



New species: Collodes tumidus, Anamathia corniita, Hemiis analogus, 

 Lissa tnherosa, L. aurirtlliusi, Microphrys hraiicliialis, Thyrolambrus 

 erosiis, Actaa a)igiista, A. inornata, ^feda'us lobipes, Lipasihesius leea- 

 nus, Pilumniis spinulifer, Micropanope nitida, ]\[. areoJata, Lopliopa- 

 iiopeus machlatux, Kctdsthesins bifrons, Portuinis {Achelous) angustits, 

 P. (A.) minimus, Acanthocych(s haxsJeri, PaJiciis htcasii, Eucratopsis 

 macropliihalma, Chasmocarciniis latipes, Pinnixa breripoUex, P. affinis, 

 Tetrias scabripes, Calappa sanssurei, Hepatus lineatns, Osaehila leris, 

 Ebalia cristata, Pandallia buUigera, P. agaricias. 



New names : Cancer amphioetus, Acanthocychis aJbatrossis. 



Richardson, Harriet. Key to the Isopods of the Pacific 

 Coast of North America, with Descriptions of Twenty-two 

 New Species.— No. 1175. June 5, 1899 ^ 815-869 



New genera: Colidotea, Eusymmerus. 



New species: Tanais alascensis, Cii'olan a ling nitrons, Enrydice caudata, 

 Coralhina trnncata, Anilocraoccidentalis, Dynameue dilatata, D. tuber- 

 culosa, D. benedicti, D. glabra, S2)haToma rhomburnm, S. octoncum, 

 Tecticeps convexus, Cilicaa cordata, C. granulosa, Clcantis occidenta- 

 lis, C. heathii, C. planicauda, Ensymnierus antennatus, Arcturus inter- 

 medius, lanthe triangnlata, I erostruta, Jceropsis lobata. 



New subspecies: Cilicira caudata gilliana. 



' Date of publication. 



