I9I3-] 



F. SiLvESTRi : Indian Thvsanura. 



57 



2-3 sublaterali instructa. Subcoxae ix parte interna sat longa 

 tringulari^ angustata, acuta. Cerci in segmentis 8-9 sistentes, 

 longi setosi, segmenti noni apicem subcoxarum c. dimidia longi- 

 tudine superantes. 



Ovipositor tenuis, longus, apicem stilorum ix multo super ans. 



Tergitum decimum (fig. vi, 5) breve, subtrapezoideum, 

 angulis aliquantum rotundatis, postice subrecte truncatum vel 

 vix sinuatum. 



Cerci longi, tenues et attenuati, setosi et sensillis unisetis 

 pluribus longis, subtilissimis aucti ; in exemplis observatis baud 

 integris, quam corpus parum breviores. 



C7' Penis (fig. vi, 6) brevissimus. 



Fig. vi. — Ctenolepisma nigra : i. palpus maxillaris ; 2. palpus labialis ; 3. pes 

 pans tertii cum metasterni pars mediana ; 4, abdominis tergitorum 51 et 6 dimi- 

 dia pars; 5. abdominis pars postica cum cercorum basi ; 6, maris abdominis 

 sterna 8uiu et gi'm. 



Long. Corp. mm. 6; lat. thoracis 1-45; long, antennarum 5 ; 

 palpi maxillaris 0-95; pedum paris tertio 2-52; cercorum 5. 

 Habitat. — Ceylon (Peradenyia), in domis ; Calcutta. 



Ctenolepisma longicauda, Esch. 



There are specimens in the collection from Calcutta, Pera- 

 denyia, SiHguri, Darjiling. The species is also known from South 

 Africa. 



Thermobia domestica, Pack. 



This cosmopolitan species was found common in houses at 

 Lahore in the Punjab by Dr. Annandale. 



