ZOOLOGY OF FERNANDO NORONHA. 533 



8. Blatta incommoda, n. sp. 

 Loug. Corp. 11| millim. 



Female. Ferruginous brown ; the thorax and sides of the 

 abdomen varied with black ; legs and costal margin ol' tlie 

 tegmiiia testaceous. Pronotuin rather long, moderately convex, 

 the sides converging in front, the hinder augles rounded off", and 

 the hind border convex. Tegmina broad, covering the whole 

 base of the abdomen, but ceasing at about two fiftlis of its 

 length. 



Similar to B. orientalis. Liun., but much smaller, the tegmina 

 much larger, and the pronotum longer. 



9. Leucoph^a sueinamensis {Linn.). 



Blatta sm-inameusis, Linn. Syst. Nat. i. p. 424, n. 3 (1/58). 

 A cosmoj)olitau species. Under stones, base of Peak. 



10. EUTHYKEAPHA PACIFICA (Coq.). 



Blatta pacifica, Coqueb. llluslr. Ins. i. p. 91, pi. xxi. f. 1 (1801). 



11. SCAPTEUISCUS ABBREVIATUS, Scudd. 



Scapteriscus abbreviatus, Scudd. Mem. Peabody Acad. Sci. i. p. 14, t. i. 

 ff. 8, 20 (1869). 



Larvae Ibund in burrows in the sand under a Conferva {Enter o- 

 morpha), in salt water, on the shore of San Antonio Bay, a little 

 above high water. Perfect insect in and about the yards of the 

 house. 



12. Geyllus assimilis {Fahr.). 



Acheta assimilis, Fabr. Syst. Ent. p. 280, n. 3 (1775). 



A species widely distributed in America. This is the black 

 cricket mentioned by Webster and other visitors to the island. 

 It is very common in the central district on the paths, and 

 makes a great noise, especially about 4 o'clock in the afternoon. 



13. GrEYLLUS rOETICEPS, Sauss. 



Gryllus forticeps, Sauss. Miss. Sci. Mex. vi. p. 407 (1870). 



14i. CECANTHUS (?) PALLIUOCIxNCXUS, U. Sp. 



Long. Corp. 18 millim. 



Male. Eeddish browu, abdomen, hind knees, and hind tarsi 

 darker ; head rather flattened, the palpi and the outside of the 

 scape of the long and slender antennae towards the base whitish. 

 Pronotum longer than broad, sides subparallel, more shining and 

 paler on the lower lateral border than above ; elytra brown, reti- 

 culated with darker nervures, about two fifths as long as the abdo- 



