VI TABLE OF CONTENTS. 



RoHWER, S. A. New sawflies in the collections of the United Page. 



States National Museum.— No. 1866. October 14, 1911 K 377-411 



New genera: Conocoxa, Nithulea, Craterocercus , Selandridea. 



New subgenera: Stromboceridia, Eustromboceros , Emphytina. 



New species: Acantholyda (Acantholyda) pint, Derecytra variipennis, 

 Haplostegus mexicanus, Conocoxa chalicipoda, Nithulea nigrata, 

 Lohoceras trimaculatum, Hemidianeura albocoxa, Atomacera decepta, 

 Caloptilia piceoterga, Acordulecera knabi, Lycaota coloradensis, 

 Marlattia erythrothorax, Platy campus juniperi, Pteronidea winnanse, 

 Pachynematus alaskensis, P. picex, Selandridea vanduzeei, Nesose- 

 landria rufonota, Aneugmenus fiavitarsis, A. nigritarsis, A. diversi- 

 color, Stromboceros (Stromboceros) barretti, S. (Stromboceridea) 

 pilosulus, S. {S.) plesius, S. (S.) urichi, S. (S.) pallidicornis, S. 

 (Eustromboceros) melanopterus, S. {E.) xanthogaster, S. (E.) gan- 

 darai, S. (E.) leucostomus, Strongylogaster tuberculiceps, S. melano- 

 gaster, Scolioneura luteopicata, Empria schwarzi, Emphytina pul- 

 chella, E. virginica, E. pallidscapa, Pseudosiobla cephalanthi, 

 Dimorphopteryx abnormis, Aphilodyctium maculatum, Perineura 

 turbata, Tenthredina cylindrica, Macrophya dyari, M. napensis, M. 

 fuscoterminata, M. errans. 



New subspecies: Aneugmenus flavipes occidentalis, Allantus cinctus 

 nigritibialis, Aphilodyctium multicolor erythrogastrum, Tenthredo 

 elegantula oregana. 



New varieties: Caloptilia nubeculosa rosenbergi, Lycaota spissipes 

 brunneus, Taxonus {Parasiobla) rufocinctus virginicus, Dimor- 

 phopteryx pinguis errans, D. p. virginica, Aphilodyctium rubripes 

 nigritarsis. 



New name: Emphytina plesia. 



RuTHVEN, Alexander G. Description of a new salamander 



from Iowa.— No. 1874. January 22, 1912 ^ 517-519 



New species: Amby stoma stejnegeri. 



ScHALLER, Waldemar T. Crystallized variscite from Utah. 



No. 1867. January 31, 1912^ 413-430 



Smith, Hugh. Description of a new Notidanoid shark from 

 the Philippine Islands, representing a new family. — No. 

 1872. February 8, 1912 1 489-491 



New family: Pentanchidx. 



New genus: Pentanchus. 



New species: Pentanchus profundicolus. 



. The Squaloid sharks of the Philippine Arcliipelago, 



with descriptions of new genera and species. — No. 1877. 

 February 8, 1912 1 677-685 



New genera: Nasisqualus, Sqiialiolus. 



New species: Squalus philippinus, Etmopterus brachyurus, Nasis- 

 qualwi profundorum, Squaliolus laticaudus. 



Springer, Frank. The crinoid fauna of the Knobstone 



formation.— No. 1850. June 24, 1911 ^ 175-208 



' Date of publication. 



