506 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



Measurements. 



mm. 



Length of body (excluding forceps) 24. 



Length of pronotum 3.8 



Length of tegmen 7.9 



Length of anal segment 4. 5 



Length of forceps 6.5 



The type is unique. 



Genus GONOLABIS Burr. 

 1900. Goiiolabis Burr, Ann. Soc. Entoni. Belg., XLIV, p. 48. 

 Type. — Anisolahis javana Borraans. 



GONOLABIS LATIVENTRIS (Philippi). 



1863. Forficula lativeniris Philippi, Zeitschr. Gesam. Naturwissen., XXI, p. 217. 

 [Province of Valdivia, Chile.] 



Concepcion, Chili. December, 1903. (Carlos S. Reed.) [A. N. S. 

 Phila.] Two males. Penco, Chili, December, 1903. (Carlos S. Reed.) 

 [A. N. S. Phila.] One female. 



Genus ANISOLABIS Fieber. 

 ANISOLABIS MARITIMA (Gene). 



1832. Forficula maritima Gene, Saggio di una Monografia delli Forficule Indi- 

 gene, p. 9. [Genoa, Italy; Nice, France; Mount Lebanon, Syria.] 



Nara, Yamato, Hondo, Japan. (Y. Hirase.) Fifty-eight males, 

 fifty-eight females. [A. N. S. Phila.l 



Kyoto, Yamashiro, Hondo, Japan. (Y. Hirase, No. 6-1.) Eleven 

 males, eleven females. [Hebard Collection.] 



New Zealand. (Koebele.) Two females. [U.S.N.M.] 



The above large series exhibits an enormous amount of individual 

 variation in size, females ranging from 16.5 to 26 millimeters in total 

 length, and males from 16.7 to 25. 



ANISOLABIS PLUTO, new species. 



Type.—Yemti\e; Mount Coffee, Liberia. (O. F. Cook.) [Cat. No. 

 8165, U.S.N. M.] 



Allied to A. maritwia, niaurltcorlca^ and rufescens^ l)ut differing 

 from the first in the heavier forceps, from mauritanica in thp weak 

 teeth on the internal margin of the same as well as the absence of 

 distinct pubescence, and from riifescens in the blackish head and 

 pronotum. 



Size medium; form elongate subfusiform, greatest width across the 

 caudal portion of the abdomen, moderately depressed; surface finely 

 punctate. Head slightly narrower caudad than across the eyes, depla- 

 nate, usual impressed lines obsolete; eyes not projecting; antennte 



