178 YNGVE SJÖSTEDT, ACRIDIODEA AUSTRAL1CA. 



?: Long. c. elytr. 28-31, corp, 24—31, ant. 11, pion. 5—6, elytr. 21—23, 

 fem. post. 15 — 15.5, tib. post. 12 — 13 m. m. 



Patria. N. Australia: Alexandria (Stalker) 7 ef, 10 ?, typ., Brit. Museum et 

 Mus. Stockholm. 



Peakesia rubescens n. sp. — Taf. 11, Fig. 11, Ila. 



J 1 : Costa frontalis tota sulcata, glabra, marginibus elevatis, ab ocello os versus 

 sensim divergentibus, costa? laterales cum illis parallell, intervallo subglabro, levis- 

 sime rotundato-rugoso; fastigium supra valde impressum, glabrum, pentagonale, ca- 

 vura postice apertum ; vertex scaber, inter oculos carina brevi gracilique instructus; 

 latera capitis glabra; pronotum postice leviter ampliatum; margo anticus leviter cur- 

 vatus, lobus posticus paulo productus, apice rotundato, impresso-punctatus, superne a 

 latere visus levissime elevatus; carina media gracilis sulcis tribus secta, sulcus posticus 

 post medium situs; area media pronoti rugulis irregularibus leviter scabra, ruga? 

 laterales subdistincta», interruptre, incurva\ intervallo postice ampliato; margo inferior 

 pronoti leviter productus, late curvatus, dimidio antico recto, ascendente; spina proster- 

 nalis recta, subcrassa, conica apice rotundato; antennce lineares femoribus posticis 

 a?quilonga?; lobi mesosternales subquadrati, leviter transversi, angulo postico valde 

 rotundato, intervallo antrorsum leviter angustato, lobis subsequali; lobi metasternales 

 valde distantes; carina superomedia femorum posticorum remote serrulata, apice in 

 spinam parvam producta, cetera? glabra?; lobi geniculares rotundati; elytra angusta, 

 femora postica paulo superantia; ,seg?nentum abdominale ultimum supra fissum spinis 

 duabus parvis; lamina supraanalis linguiformis marginibus leviter elevatis, medio 

 antice et postice impressa; cerci ta?niformes, apicem abdominis non attingentes, di- 

 midio circiter apicali deorsum curvato apice angustato-rotundato. 



Ferrugineo-fuscescens, latera capitis ut vertex et prozona pronoti nigro irrorata, 

 subtus pallide f lavescens; antenna? tota? testacea?; pronotum supra medio in area 

 clepsydriforme paulo rufescens; femora postica extus costis paulo rufescentibus, su- 

 perne fasciis duabus distinctis nigris, apice nigro margine postico supra flavido; area 

 internomedia f lavida sanguineo adumbrata, femora subtus pallide testacea; tibise 

 postica?, ut tarsi, sanguinea? spinis apice nigris, basi nigra?; elytra colore pronoti, 

 minute nebulösa, area axillaris pallidior, unicolor; ala? hyalina? apice inf uscata?, venis 

 circiter dimidio basali pallidis. 



c?: Long. c. elytr. c:a 27, corp. 22, ant. 13, pron. 5.5, elytr. c:a 20, fem. post. 

 13, tib. post. 11 mm. 



Patria. W. Australia: Cossack (Mjöberg) 1 $ typ. Mus. Stockholm. 



Peakesia ferruginea n. sp. — Taf. 11, Fig. 12, 12 a. 



$: Facies leviter rugosa; costa frontalis os versus leviter ampliata, ab ocello antror- 

 sum sulcata, sulco evanescente, inter antennas rotundata vix punctata ; costa? laterales 

 recta? levissime undulata?; antennas, filiformes levissime compressa?; fastigium supra 

 impressum, glabrum, carinula mediana nulla, marginibus anticis angulum apice valde 



