DISSOSTEIRA. 139 



graciles, longiusculae, annulatee, apice fuscae. Caput parum corapressuto; costa faciali 

 ad verlicem et infra oceilum coarctata. — Pronoti crista maxime elevata, arcuata, 

 profunde oblique fissa, in metazona elevalior-arcuala, subundulata, utrinque rugulosa, 

 in prozona subrecta, per sulcum anticum subimpressa; processus metazonas acutissi- 

 mus. — Elytra fusco-punctato-irrorata; obsolete maculoso-3-fasciala. — Alae disco 

 basali sulfureo, fascianigra lata, lobos 3 marginis liberante; apice parce fusco-inlricato. 

 — Pedes postici valde fimbriali. — Long. Q 35, q* 25; El. Q 33, q* 25 mill. — ■ 

 Texas; Dallas. (Boll coll.) 



G. D. collaris, Scudd. — GEdip. collaris, Scudd. Geol. Surv. of Nebrask. 250; 

 Tbom. Geol. Surv. of Territ. 1871, 459; Acrid. 113. — Spharagemon collare, 

 Scudd. Proc, Bost. Soc. XVII, 1875, 470, 5. 



Fulvo et fusco irrorata, fusco-punctata, pubescens. — Antennas longiusculre, fuscae. 

 Costa facialis sulcata, ad verticem breviler plana, vix coarctata. — Pronotum postice 

 acute productum; dorsi crista prominula, lamellaris, per sulcum typicum anguste 

 oblique fissa, dentem retrospectantem in crista metazonee incumbentem efficiens 

 (ut in D. longipenne el crhlato quamvis hinc crista minus elevata est). — ■ Elylra 

 valde fusco-punctata, fasciata, modice confertim reticulata, vena intercalata v. medise 

 propinqua. — Alae disco basali sulfureo, fascia lata transversa fusca, postice arcuata ; 

 pars apicalis vitrea apice fusco-punctata. — Var. Pronotum obscurum, metazona lutea, 

 nigro-punctala, — Long. Q 30, Q* 22; El. Q 30; Q* 25 mill. — Amer. bor.; 

 Nebraska, Colorado, lllinois, Texas. 



D. Wyomingiana, Thom. Acrid. 113 (Spharagemon Wijoming. Scudd. Proc. B. S. 

 t. 17, 1875, 470, 4). a D. collari vix differre videtur, lantum statura minore, long. 

 28 mill. 



7. JD. sequalis, Say. — Gryllus oequalis, Say, Entom. of N. A. (Ed. Le Conte) 

 II, 237. — Locusta aiqualis, Harris Ins. Inj. 178. — OEdip. aqualis, Uhler, 

 Edit, Harris, 178; Thomas Acrid. 114. — ? OEd. Belfragii, Stal, Becens. I, 

 129, 2. 



Griseo-fuscescens, lacteo-varia, fusco-punctata. — Antennas elongalae, annulala? 

 vel nigras. Costa frontalis ad frontem constricta. Pronotum tenuiter granulatum, 

 postice Q rectangulum, q* acutius; crista humili in metazona q^ vix arcuata, 

 in prozonaa terlia parte postica sinuata, ante incisuram dentem retrospectantem 



