BLATTARI.E. 141 



and metatliorax with two pale yellow setnihyaliue lateral stripes, which are 

 bordered with black on the outer side. Prothorax rather broad ; fore border 

 hardly truncated ; sides rounded ; hind border straight. Hind angles of 

 the niesothorax and of the metathorax not elongated. Hind angles of the 

 posterior abdominal segments elongated, acute; under side with a reddish 

 patch on the disk ; supra-anal lamina bilobed. Legs dark reddish, short, 

 thick; femora blackish ; arolia rather large. Wings none. Length of the 

 body 7^ lines. 



o. ? From Mr. Children's collection. 



49. Periplaneta semiptcta. 



Mas. Nigra, ovata, dense punctata; caput luleum, prolhnracem non 

 superans, vertice piceo ; antennae rufcB, corpore longiores ; thorax 

 vlllis duabus lateralibus luteis antice attenuatis melalhoracis mar- 

 ginem posticum non atlingentes, ejus angulis posticis pi'oduciis ; 

 pectoris segmentajiavo marginata ; abdomen latum, ventris disco rufo, 

 segmentis posterioribus acute ungulalis, lamina supia-anali inlegra ; 

 cerci basi subtusque rvfescentes ; pedes lulei, breves, crassi, 



Male. Black, oval, convex, shining, thickly and minutely punctured. 

 Head luteous, not extending beyond the prothorax; vertex piceous. Eyes 

 black, wide apart. Antennae red, longer thuii the body. Prothorax very 

 slightly keeled, much longer than half its l)readth, with two luteous lateral 

 stripes, which are attenuated towards the fore border and are i)lack-bi)rdered 

 on the outer side ; fore border hardly truncated ; sides rounded ; hind border 

 straight. Mesolhorax with two luteous lateral stripes, which are continued 

 on the metathorax, but do not extend lo the hind border of the latter, 

 whose hind angles are elongated. Pectoral segments bordered with yellow. 

 Abdomen broad, short; disk beneath red; hind angles of the fifth, sixth 

 and seventh segments elongated, acute; supra-anal lamina entire; styles 

 small, red. Cerci broad, flat, reddish at the base and beneath. Legs 

 luteous, short, thick; coxas yellowish; femora with stout spines; arolia 

 large. Length of the body 8 lines. 



a. St. John's Bluff, East Florida. Presented by E. Doubleday, Esq. 



50. Periplaneta sexguttata. 



Mas. Nigra, elliplica ; caput prothoraceni vix superans, margine antico 

 piceo; antennie fulvo latissime fasciata ; thoracis latera albo sex- 

 guttata; mesolhoracis et inetathoracis anguli postici subproducti ; 

 abdominis seymenia mnrginibus posticis tuberculalis, angulis posticis 

 acutis ; venter rufo villalus ; lamina supra-analis Integra; pedes 

 breves, crassi. 



Male. Black, elliptical, convex, smooth, shining. Head hardly 

 extending beyond the jirolhorax; sockets of the antennae and fore border 

 piceous. Eyes wide apart. Antenna? slender, not shorter than the body, 

 with a lawny very broad antemedial band. Prothorax, mesothorax and 

 mttdtborax with a white spot on each side by the hind angle. Prothorax 

 almost semicircular, very minutely punctured on each side; fore border 

 hardly truncated; hind border straight. Hind angles of the mesothorax 

 and of the metatliorax slightly elongated. Abdominal segments luberculate 



