302 TL Richardson — Isopods of the Bermudas. 



Porcellio parvicornis Richardson, sp. no v. 



Plate XL. Figure 57. 



Body ovate, surface marked with minute granulations. Color 



yellow, with markings of light brown. 



Head with median lobe small, widely rounded. Lateral lol»<- 

 small, rounded. Eyes distinct, and situated on lateral lobes of head. 

 JExterior antennae short, about one-third the length of the body : 

 flagellum two-jointed, first joint very much shorter than second 

 joint, about one third shorter. 



Thoracic segments subequal, with the exception of the first, which 

 is a little longer than anv of the others. 



First two abdominal segments with lateral parts hidden by the 

 preceding thoracic segment. Three following segments with lateral 

 parts expanded, the margins continuing the oval outlines of the body. 

 Terminal segment triangular, with sides somewhat incurved and 

 rounded at the apex. Basal joint of uropoda reaching a little 

 more than half the length of the last abdominal segment. Inner 

 branch extends a short distance beyond the terminal segment of the 

 body; outer branch extends but very little beyond inner branch. 



One specimen was collected by A. E. Verrill at the Bermudas in 



1901. 



Type specimen in Peabody Museum, Yale University. Cat. No. 



3353. 



Metoponorthus sexfasciatus Budde-Lund. 



Metoponorthus sexfasciatus Budde-Lnnd, Crust. Isop. Terrestria, pp. 167-168, 

 1885. Dollfus. Bull. Soc. d'Etudes Scientifiques de Paris, xiith year, p. 4. 

 1890. 



Hab. Bermudas (Dollfus). Also Mediterranean and Canaries, 

 Madeira, Azores, Spain, France, Algeria. 



Metoponorthus pruinosus (Brandt). 



Porcellio pruinosus Brandt, Consp. Monogr. Crust. Isop. terrestr., p. 19, fig. 21. 



1833. 

 Porcellio maculicornis Koch, Deutschlands Crustaceen, p. 34, 1840. Stuxherg. 



Ofversigt af Vetensk. Akad. Forhandl., No. 2, p. 55, 1875. 

 Metoponurthns pminosus Budde-Lund, Crust. Isop. Terrestria, pp.169. 170, 



1885. Sars, Crust of Norway, ii. pts. ix-x. p. 184, pi. lxxx. fig. 2, pt>. xi. 



xii, p. 185, 1898. (See Budde-Lund for synonymy and full reference.) 



Habitat, Bermudas at Harrington Sound, collected by Prof. Kan- 

 kin, of Princeton ; and at Walsingham, Castle Island, and Tucker- 



