124 r>r. Henri de Saussure. 



tum antice subexcavatuni, piloso-pimctiilatum; facie superna per carinam transversam in partes 

 2 subaequalcs divisa; pars antica polita, sparse parce crasse punctata, pars postica subtilitcr 

 punctulata. Seciinduin se<;uientum superne carinis irregularibus circiter 6 transversis, et margine 

 carinato; carinae utrinque antice arcuatae et abbreviatae; latcra jiunctata; spatiuni praeniargi- 

 nale subtiliter punctulatum Segm. sequentia in secunda parte defricato-punctata; 4" 5"" haud sul- 

 cata; ö" sujierne et subtus 6' causa vaide eniarg-inatum ; 6" dense punctatum; maxime compres- 

 sum, superne in carinani acutani coniplanatiim: hacc carina postice furcata ad faciem angustam 

 posticani niarginandiini. — Nigra, cinereo-liirta; abd. segmentis posticis cinereo-tinibriatis; os, cly- 

 peus, antennae mediae, tiiorax postice et pedes, fuscescentes vel rufescentes. — Australia, Sydney. 

 Von TV/. Nnvai'ae durch den läng-eren Kopf; den kleineren, hinten nicht verschnürten 

 Thorax ; durch das ungestreifte erste Abdoniinalsegment und das viel mehr comjirimirte letzte 

 Segment, etc. leieiit zu unterscheiden. 



13. TPIYNNUS 4-CARINATüS n. sp 



9 Minuta, fuHco-nigra: pedibus anticis, capite convexo, pro- et 7nesonoto, rufis: 

 abdominis apice longe fulvo-fimhriato . 2° scgmento 3 -carinato; 6" segm. co7npresso, 

 supra carinato. — Long. corp. 0-006. 



2 Caput subovatuni vel suborbiculare, convexiusculum , sparse punctatum; vertice con- 

 vexo, subtuniido; frons circum antennas crasse punctatus, sulco divisus. Olypeus trigonalis, apice 

 subtruucatus. Thorax minutus, punctatus, antice quadratus, marginibus lateralibus parallelis; 

 postice valde constrictus; metauotum vix latius quam prothorax, postice oblique truncatum, sub- 

 convexum, orbiculare, superne punctuLTtum, apice laevi. Abdomen basi truncatum; 1" segmen- 

 tum antice subtih'tcr squamoso-punctulatum , canaliculatum ; facies superna polita, sulco sinuato 

 transversc divisa, ]iars antica elevatior, nitida, subbilobata, pars postica depressa. Segm. 2'"laeve, 

 transversa 4-carinulatum et margine jjostico insuper retlexo. Segmenta 3", 4™ in parte postica 

 sparse punctata, 3" solo transverse sulcato ; 5"" valde punctatum, in longitudinem subcarinatum, 

 in medio margine emarginatum, utrinque lobatum et infra lobos spatium lateralem laevem gerens ; 

 subtus margine concavo ; 6" segmentum maxime in carinam compressum , carina apice furcata 

 ad pigidium foveulatum marginanduni. — Fusca vel fusco-castanea, cinereo-hirsuta; abdominis 

 apice maxime et longe fulvido vel palHde finibriato et barbato; caput pro et mesonotum, rufa; 

 pedes rufi; postici plerumque fuscescentes; antennarum flagellum obscurescens. 



Australia, Sydney. 



Mit 77c. ?j-sulratus Smith. Cat. Thynn. 45, 129, zu vei-gleichen. 



GENUS TACHYNOMYIA guer. 



Afffiomyia Guer., ex parte. — Tachynomyia Guer., Mag. de zool. 184'2. Thynnides, p. 6. — Aelurus Westw., 

 Smith ex parte. 



Generi Aelurn sinfil/imus, ut liypopygio cf aculeato. 



(fd^ Maxil/arum palpi longissimi. articulis ultimis 3 lo?igissim.is, gracillimis, ut 

 in Aeluris: galea indivisa. Glypeus jere ut in Thynnis (vel ovatus), apice late trunca- 

 tus. — Abdomen basi attenuatum., segmentis basi subconstrictis. Ilypopygium trigonale, 

 prominulum., apice in dentcm. rcl ■■^pinam excurrcns. 



9 9 Feminae mihi i7icognitae. 



Tnsecta Au.stralensia. 



