14 S.IÖSTEDTS KILIMAKDJARO-MERr EXPEDITION. 21: 2. 



P. (ilhescens B.-L., P. uigrowaciihttns Wedenissow, P. (luadrimacuUdus B.-L., P. rufi- 

 caiula B.-L., P. civilis B.-L. — Six species are at present in my unpublished manuscript. 

 Only two of thc species named below occur in tlie Distiict here treated. 



Pcrisrijp h is trivialis. 



Perisci/pliis frivialis (!etst. Gliedcrtli. Fauna Sansibar, p. 526. — li.-L. 1 ]i. 293. — Palria: In 

 llie i\Iu.-;euiii iit üpriin are .■^peciniens of tlii.^ .■^pecios prcserved fonnd iliirinu (In' expcdilion of v. D. Decken 

 at thc lakc .lipo and al.«o from Mt. Karanin al lh(> rivcr Pangani. 



Periscjjp li is pu Icher . 



Perisci/phis pulcher B.-L. Landisop. in Deutsch O.st-Afrika. IV. p. 7 Tab. f. 12. — Patria: I only know 

 onc spi'cinien of tliis species, wliicb was taken a( Tanga and is in tlie posession of tlie Museum at Hamburg. 



Microcercus nov. gen. 



Anlennarum llagellum arliculo priore allero breviore. Oculi majores; ocelli nume- 

 rosi, viginti vel plures. Mandibularum ianiina inlerior penicillis duobns in mandibula 

 dextra, penicillis tribus in mandibula sinistra. Seta inferior ratlice longo, solido, supra 

 rarais crinitis numerosis inslructo. Maxilhe prioris paris lainina exterior denlibus 10 

 (4 + 6: SLibintegris, nonniillis sa'pe in apice leviter lissis); lamina interior post spina apicali 

 nulla, penicillis ambobus longis, snj)eriore paulo breviore. Maxillipedum arüculus 

 labialis latior, mala brevior, spina mediocri et aculeis 2 posterioribus manifestis; palpus 

 lalior, arüculo terlio vix diiplo breviore quam latiore, apice crinitus. Epistoma linea 

 superiore sa^pe integra stepe deleta. Foramina anlennarum miiiora, lubercula antennaria 

 deleta. C.lyix'iis in lateribus lobatus; lobi plerumque ad medium producti, ut crisla in 

 medio abbreviata lingatiu". Pleur;e capilis concreUe; linea marginalis veriicalis utiinque 

 ad frontis marginem producta. Trunci segmentum t. epimero crasso, altecincto, supra 

 sulco profundo suturali a medio segmenli discreto, post lisso, rarissime integro. Seg- 

 mentum 2. epimero i)leriun(|ue lisso, pronoto magno. JMargo posterior segmentorum 

 priorum subrectns, angulis posticis rolundaüs. Marsupium nulluni '? Caudae segmenta 

 3. 4. 5. epimeris tetragonis; epimera segmenti 5. valde convergenüa. Pleopodes omnium 

 parium tracheis niuniti. Telsum medio latiore, subletragono producto, apice rotundato. 

 LIropodum scapus oblonge subrectangulus. Exopoditum parvum vel minimum, apicale 

 vel superius. Endopoditum inediocre telso vix brevius. 



Ol' the species belonging to Ibis genus I know thiifteen, of which six are unde- 

 scribed. Ol the seven described species I have previously referred six of them lo the 

 genus Pcriscijpliis: P. <(uomalns Gehst., P. leucoce2)hah(s B.-L., P. ofiosus B.-L., P. 

 obfusicauda B.-L., P. armadilloides B.-L., P. nduns B.-L. — T\w seventh species belong- 

 ing to the genus is MesarrnddiUo senegcdensis Dollf. 



From the district of Kilimandjaro the two species mentioned below are known. 



Microccrcns anoiualus. 



Tab. I, Fig. 34—39. 



Cubaris (irionuda Gerst. Gliederth. Fauna d. Sansibar. |). 526. — Periscfiphis 

 (nio)ii(dus B.-L., Landisp. Deutsch Ost-Afrika, IV, p. 5 Tb. f. H — 4. — Patria: This species 



