JV TABLE OF CONTENTS. 



CusHMAN, R. A. Eight new species of reared Ichneumon- I'ago. 

 flies with notes on some other species. No. 2216. Au- 

 gust 9, 1917^ 457-469 



New species: Bathythrix tibialis, Aenoplex nigrosoma, Spilocryptus 

 polychrosidis, Caenocryptus n^wcomeri, Chacretymma minuta, Scani' 

 bus ephialtoides, Itoplectis obesus, Glypta evetriae. 



Dall, William Healey. Notes on the shells of the genus 

 Epitonium and its allies of the Pacific coast of America. 

 No. 2217. August 10, 1917 ^. 471-488 



New species: Epitonium acapulcanum, E. cookeanum, E. xantusi, 

 E. arnoldi, E. pads, E. emydonesus, E. imperforatum, E. onchodes, 

 E. lagunarum, E. {Pictoscala) purpuratum, E. densiclathratum, 

 E. persuturum, E. colpoicum, E. pazianum, E. propehexagonwn, 

 E. eutaenium, E. apiculatum, E. compradora, E. q/lindricum, 

 E. centronium, E. columbianum, E. montereyense, E. calif or nicum, 

 E. rectilaminatum, E. tabulatum, E. appressicostatum, E. musidora, 

 E. columnella, E. habeli, E. diegense, E. tabogense, E. regum, 

 E. orcuttianum, E. bialatum, E. zephyrium, E. basicum, E. roberti, 

 E. rhytidum, E. zeteki, E. imbrex, E. thylax. 



New section: Pictoscala. . 



New variety: Epitonium sawinae, var. catalinense. 



Dunn, Emmett R. The salamanders of the genera Des- 



mognathus and Leurognathus, No. 2211. June 4, 1917 ^ 393-433 



Fagan, ^Iargaret. See vS. A. Rohwer 357-380 



FoLSOM, Justus W. North American coUembolous in- 

 sects of the subfamily Onychiurinae. No. 2222. August 

 22, 1917^ 637-659 



Newspecies: Onychiurus similis, 0. subtenuis, 0. litoreus, 0. pse^dar- 

 matus, 0. ramosus, 0. pseudojimetarius. 



Gahan, a. B. Descriptions of some new parasitic hymen- 



optera. No. 2197. May26,1917i 195-217 



New subfamily: Vipiinae (new name). 



New genera: Neopius, Systellogaster. 



Newspecies: Ephedrus nitidus, Microbracon sanninoideae, Microgas- 

 ter epagoges, Apanteles diacrisiae, Chelonus phthorimaeae , Phanero- 

 toma franklini, Opius pegomyiae, 0. coriaceus, 0. otiosus, Neopius 

 carinaticeps, Rogas perplexus, R. politiceps, R. ru/ocoxalis, Liodon- 

 tomerus secundus, L. insuetus, Systellogaster ovirora, Pteromalus 

 hemileucae, Eupteromalus tachinae, Eutelus bruchophagi, Chryso- 

 charus maltochi, Derostenus pallipes, Tetrastichus ainsliei, T. 

 dolosus, Notanisomorpha meromyzae, Polymecus lasiopterae. 



New variety: Nepiera benevola, \a,r.fuscifemora. 



I Date of publication. 



