40 OKTHOPTEEA. 



14. Ischnoptera annulicornis, sp. n. 



$ . Statura media, nigro-castanea vel fuscescens. Caput nigrum ; oculis invicem remotis. Antennae nigrae, 

 pilosellae, in medio vel ultra medium annulo albido (art. 6). Pronotum nigrum, bi-impressum, margine 

 postieo transverso, subangulato. Elytra parum elongata, tamen eercos superantia, castanea vel rufo- 

 castanea, margine costali obsolete flavicante. Alae nebulosae, venis ferrugineis ; campo marginali ferru- 

 ginescente, venulis costalibus crassis, ultimis apice incrassatis. Area medio-discoidalis quam area medio- 

 ulnaris latiore. Vena ulnaris ramos apicales 3, incompletes 4-5 emittens. Campus posterior venis spuriis 

 et transversis hyalinis. Coxae partim testaceae. Abdomen basi fusco-testaceum. Lamina supra-analis 

 trigonalis, produota, apice rotundata, ultimum segmentum ventrale superans. 



Long. 13 ; pronot. 3, latit. pronot. 4 ; long, elytr. 12*5, latit. elytr. 4 millim. 



Hob. Guatemala (coll. Dohrn). 



15. Ischnoptera couloniana, Sauss. 



Ischnoptera couloniana, Sauss. Rev. et Mag. Zool. 1862, p. 169; Mem. Mex., Blatt. p. 83. 24 ( <$) ; 

 Miss. Scient. Mex v Orthopt. p. 63. 13 *. 



Majuscula, fusco-testacea. Pronotum ellipticum, valde bi-impressum, disco medio inter sulcos inaequali, fusco, 

 marginibus circumcirca testaceis. Elytra et alae elongata, fusco-ferrugineo-inquinata. Alarum vena 

 ulnaris ramulis basalibus incompletis 3-4. 



Yar. Elytris et alis testaceis. 



Long. 21 ; pronot. 4*5, latit. pronot. 6*5 ; long, elytr. 23*25, latit. elytr. 6'5 millim. 



Hab. Noeth Ameeica, Texas! — Mexico. 



Nearly allied to I. pennsylvanica (De Geer) ; but that species has the disc of the 

 pronotum more corneous, without small impressions. Most probably the female has 

 abbreviated wings, as in /. incequalis (No. 1). 



16. Ischnoptera divisa, sp. n. 



c? . Fusco-testacea. Caput infuscatum, vertice flavido. Pronotum ellipticum, sulcis perspicuis ; disco castaneo, 

 per vittam flavidam diviso ; margine circumcirca pallide testaceo. Elytra hyalino-testacea, venis testaceis, 

 vena humerali basi fusca. Alae vitreae, venis fusco-testaceis. Yena ulnaris rami's apicalibus 3, incom- 

 pletis 1-2, instrueta. Pedes pallide testacei. Abdomen infuscatum, margine laterali testaceo ; lamina 

 supra-anali rotundata. 



c . Long. 14-5 ; elytr. 14*5, latit. elytr. 4-25 ; pronot. 3 - 5, latit. pronot. 5 millim. 



Hab. Noeth Ameeica, Georgia (Mus. Genavense). — Noeth Mexico. 



[17. Ischnoptera bolliana, sp. n. 



3 . Sat minuta, fulva. Capite sat prominulo, castaneo. Pronotum ellipticum, castaneum vel fulvum, lateribus 

 testaceo-pellucidis ; sulcis disci perspicuis. Elytra fulvo-testacea, vel basi rufescentia, parum elongata. 

 Alae vitreae, venis flavidis, venulis costalibus leviter incrassatis; campo marginali fulvescente. Vena 

 ulnaris ramis apicalibus 2-3, incompletis 2-3. Pedes fulvi. Abdomen nonnunquam infuscatum. 

 Lamina supra-analis rotundata. Cerci nonnunquam basi fusca. 



Var. Pronoti discus castaneus per fasciam longitudinalem flavidam oboletam divisus. 



Long. 12-2 ; elytr. 12-5, latit. elytr. 4 ; pronot. 3, latit. pronot. 3-8 millim. 



Hab. Noeth Ameeica, New Mexico, Texas (Mus. Genavense).] 



* This species has not been figured ; the citation in its synonymy in the works &c. quoted, as also ' Mel. 

 Orthopt.' i. fig. 21, should be suppressed, having been given by mistake. 



