TABLE OF CONTENTS. VII 



New genera: Mammia, Titaiiodictya, Hi/penncgethes, Earylimia, 

 Eiiri/tlimopteri/.r, Ileolm, Pohicmtgm, Enhleptas, Mdropator, 

 .Enigmatodes, Pmidohomothetm, Cainpteronenra, Orthogonophora, 

 B'dhgtdptnx, Palniolaptiiii, PmidopaoUa, Pampaolia, P<d if other aten, 

 Adiaptliarsia, ILidentomum, Hapaloptera, Spanindera, Ggrophlehin, 

 Camptophlebia, MetacheUphkhia, Pamcheliphlebia, Dieconeurites, 

 Mdrgia, Progeiieiitomum, Geraruides, GlapliiiropJtleJiia, Mcgtdometer, 

 Pseadetoblattina, Agogoblattina, Polgeles, Pahvohlatta, Aphthoroblat- 

 tina, PolgeioblnUa, Kinklidoblatta, Adeloblatta, Plagioblatta, Schizo- 

 blntfci, Atimoblatta, Asemoblatta, Gyroblatta, Dgsmenes, Pliobero- 

 hkdta, Eumorphoblatta, MetaxyblaUa, Phyloblatta, DistatoblaUa, 

 Metaxys, Amoeboblattn, Liparoblatla, Bnulyblatta, Exochobhdta, 

 Acosmoblatta, Ainblyblatta, Penetoblalta, PareinoblatUi , Sympliyo- 

 hlatta, Apempherus, Xenoblatta, OlethroblaWt, StygeUMatta, Meta- 

 chorus, Oxynoblatta, Discoblatta, Sysdoplilebut, Dkiadobkdta, Syi^eio- 

 blatta, AirhytJnnoblatkt, Ametroblatta, Aktctobkdta, Dorybkdkt, Heini- 

 mykuris, Exochuinylncris, Orthomylacrh, Avomoinylacris, Stenorny- 

 laeris, Actinomykicris, Pldhinomykuris, Chalepomylarris, Bracliyniy- 

 lacris, Gnniomylacris, Aphelomyktcris, Sphenomylacrii^, Amblymy- 

 kicriti, Neomylarris, Pteridomylacrh, Idiomyktcrin, Systoloblatkt, 

 Aami'obkdki, Dichronobkdta, Nearoblatki, Epheboblatkt, Nepwbkdkt, 

 Brepliubkdta, Pdrahapkjphlebiuin, Pseudopolyerniix, Psendogerarn.% 

 Axiologns, Eudoiasmufi, Arcliimasiax, Archnologus. 

 New species: Mainmki alukicea, Hyperniegeilies schurhertl, Eurytivnia 

 rlrgiiiiana, Enrylkmopteryx anti(pui, Heolus proridentin; Polycreagra 

 elegam, Eitbleplns danielsi, Metrnpatov pusillm, .Eniginatodes ddiil- 

 elsi, Campleroueara reticidnki, Orthogonophora distinda, Bathytup- 

 tufi ((dripennis, Palaiotaptus mazonus, ( Pahiodictyopteron) mazonuin, 

 {!'.) kttipenne, (P.) virginianum, Palxotherates pennsylranicua, 

 Adkiphtharda ferrea, Hadentomum amencanum, Hapaloptera gra- 

 cilis, Spaidodera ambulan.% GyrophleUa longirollis, Metryia analiii, 

 Progenentomum carbonis, Gerarus kmgus, G. danielsi, G. angustits, 

 Oryctoblattina americana, 0. latipeunis, Blattinopsis anthracina, Gla- 

 phyropldebia pusUla, Euavnus rotundatus, Gerapompns schucherti, 

 Megalometer lata, Polyetes furdfer, Polyetoblatta calopteryx, Pla- 

 gioblatta campbelli, Schizoblatta alutacea, Atimoblatta currij)e)niis, 

 A. reniformis, Aseinoblatki pennsylvanica, xi. danielsi, Archobkdtina 

 scudderi, Phoberoblatta grandis, Metaxyblatta hadroptera, Pliylo- 

 blatta cassvilleana, P. regularis, P. abbreviata, P. elatior, P. diclio- 

 toma, P. fracta, P. arcuata, P. mortua, P. rulgata, P. drginiana, _ 

 P. debilis, P. scudderiana, P. dimidiata, P. rebaptizata, P. sel- 

 lardsii, Olethroblatta americana, Slygetobkdta latipennis, Metachorns 

 striokdus, Oxynoblatta alutacea, Sysciopldebia vhitd, S. scudderi, 

 S. liytirida, S. selkirdsii, S. laiirrenceana, S. affinis, S. schucherti, S. 

 picta, S. adumbrata, S. rotundata, S. nana, S. obtiisa, S. aculipenuis, 

 S. fenestrata, Syscioblatta obscura, S. anomala, S. minor, S. steubendl- 

 leana, S. misera, Spiloblattina perforata, Arrhythmoblatta scud- 

 deri((i)a, Atactoblatta anomcda, Doryblatta longipennis, Hemimy- 

 lacris ramificata, Exochomylacris drginiana, Orthomylacris iiikiUs, 

 0. rngulosa, 0. truncatida, 0. elongata, 0. alutacea, 0. penmylra- 

 nica, Anomomylacds cubitalis, Stenomylacris elegant, Actinomylacris 

 vidua, PItthinomylacris cordiformis, P. medialis, Chalepomylarris 

 pidchra, Brachymylacris elongata, B. cordata, B. rotundata, B. 

 mixta, Goniomylacris pauper, Mylacris seUardsii, \[. similis, M. 



