BLATTARIjE. 



35 



POLYZOSTERIA BIGLUMIS. 



subaptera, C. D. i. 154. 



POLTZOSTEBIA MELANABIA. 



melanaria, C. D. i. 154— analis, C. B. 153. 



POLYZOSTERIA COXALIS. 



Mas. Picea, longi-ovata; caput prothoracem vix superans ; prothorax 

 fere semicircularis ; cerci apice rufi ; pedes breves, robusti, coxis 

 nigrisflavo marginatis, coxis poslicis intus tro chanter ibus femoribus- 

 que rufis, tibiis tarsisque nigris, tarsorum articulo 4o rufo. 



Male. Piceous, elongate-oval, smooth, shining. Head hardly 

 extending beyond the prothorax. Prothorax nearly semicircular. Cerci 

 6hort ; tips red. Legs short, stout ; coxa? black, bordered with yellow on 

 the outer side ; hind coxae red along the inner side ; trochanters and femora 

 red, the latter with short stout black spines ; tibiae and tarsi black, fourth 

 joint of the latter red. Length of the body 9£ lines. 



The specimen described has the rudiments of fore wings. 

 a. Bombay. Presented by Dr. Leith. 



POLYZOSTERIA SUBORNATA. 



Fcem. Nigra, ovata ; caput prothoracem vix superans; palpi fulvi; 

 prothorax luteo bifasciatus ; mesothorax et metathorax angulis 

 posticis subproductis luteo uniplagiatis ; segmentorum abdominalium 

 latera luteo maculata ; pedes fulvi. 



Female. Black, oval, smooth, shining. Head hardly extending 

 beyond the prothorax ; front broad between the eyes, which are very flat; 

 mouth and palpi tawny. Prothorax broadly transverse, narrower in front, 

 with a transverse impression in the disk, with two luteous bands, one near 

 the fore border, the other near the hind border; fore border truncated; 

 sides rounded; hind border slightly rounded. Mesothorax and metathorax 

 with a large luteous patch near each hind angle, which is slightly 

 elongated. Abdomen with a transverse luteous spot on each side of each 

 segment. Legs tawny, thick ; spines stout. Length of the body 9 lines. 



The specimen described appears not to be fully developed. 

 a. St. Helena. Presented by J. C. Mellis, Esq. 



POLYZOSTERIA HETEROSPILA. 



Fcem. Nigra, longi-ovata, opaca ; caput prothoracem non superans, 

 fasciis duabus lateribusque anlicis luteis ; palpi fulvi, articulo 3o 

 piceo ; prothorax fere semicircularis, lineis duabus submarginalibus 

 undulatis maculisque sex angulatis luteis; abdominis latera basi 

 luteo maculata; pedes breves, robusti, femoribus tibiisque anticis 

 luteis piceo vit talis. 



