5(>8 PROCEEDlXaS OF THE NATIONAL MFSEVM. 



151. PORCELLIO SCABER Latreille. 



PorceUio ftcaber Latreille, Hii^t. Crunt. Ins^., VII, \k 45; Gen. Crust., I, p. 70. — 



Leach, Edin. Encycl., VII, p. 406. 

 Oniscus granulntus La.marck, Hist. Nat. des. Animaux sans Vertebres, V, p. 154; 



2ded., V, p. 261. 

 PorceUio ftcaber Risso, Crust, de Nice, p. 155; Hist. Crust., p. 119. 

 Pora'Uio nigra Say, Journ. Acad. Nat. Sci., Phila., 1, 1818, p. 432. 

 PorceUio granulatus Brebisson, Mem. Soc. Calv., 1825, p. 261. 

 PorceUio scaber Desmarest, Consid. Crust., p. 321. — Brandt and Ratzeb'jrg, 



Med. Zool., II, p. 77, pi. xii, figs. 1-4 and A-B. — Brandt, Bull. Soc. Imp. d. 



Naturalistes de Moscou, VI, 1833, p. 176. 

 PorceUio brandtii Milne-Edwards, Hist. Nat. des Crust., Ill, p. 168. 

 PorceUio granulatus Milne-Edwards, Hist. Nat. des Crust., Ill, p. 169, pi. xxxii. 



fig. 21. 

 PorceUio scaber Milne-Edwards, Cuvier Rg. An. , 1849, pis. lxxi-lxxi bis. 

 PorceUio nigra Gould, Rep. Crust., p. 337. 

 PorceUio scaber Koch, Deutschland's Crust., p. 34. 

 PorceUio dubius Koch, Deutschland's Crust., p. 34. 

 PorceUio c(sper Koch, Berichtig., p. 207, pi. viii, fig. 98. 

 PorceUio scaber Lereboullet, Mem. Strasb., IV, p. 34, pi. i, figs. 4, 5; pi. 11, 



figs. 43-47. 

 PorceUio gemmidatus Dana, Crust. U. S. Expl. Exp., 1853, p. 725, pi. xlvii, fig. 7. — 



Stimpson, Journ. Bos. Soc. Nat. Hist., VI, p. 66. 

 Phil oscia tuber culata Stimpson, Proc. Cal. Acad. Sci., I, p. 89. 

 PorceUio scaber Sill, Crust. Lieb., 1861, p. 3. — Bate and Westwood, Brit. Crust., 



II, p. 475. 

 PorceUio jxiulenses Heller, Novara Exp., p. 136, pi. xii, fig. 5. 

 PorceUio scaber Plateau, Bull. Acad. Belgique, 2d ser., XXIX, 1870, No. 2, 



p. 8.— E. Brandt, Hora? Soc. Ent. Rossi, VIII, p. 167.— Budde-Lund, Nat. 



Tidsskrift., 3d ser., VII, p. 238; Prospectus, p. 3. — Bos, Crust. Hedrioph. 



Nederl., pp. 38, 91. — Budde-Lund, Crust. Isop. Terrestria, 1885, pp. 129- 



131. (See Budde-Lund for synonymy.) 



Hahltat. — Greenland; Newfoundland; Grand Manan; Lawrence, 

 Massachusetts; West Haven, Connecticut; New York; Ocean Grove, 

 New Jersey; Woodside, Maryland; Bloomington, Illinois; Niagara; 

 San Francisco and Colfax. California; San Pedro, Mexico; St. Paul 

 Island; St. Croix; Ascension Island; also Kamchatka; Iceland; Cape 

 of Good Hope; all Europe. 



65. METOPONORTHUS Budde-Lumd. 



analytical key to the species of METOPONORTHUS. 



a. Imier face of right mandible with four to five penicils, of left mandible with six 

 penicils. Second and third joints of peduncle of second pair of antennee fur- 

 nished with a small apical tooth; first joint of flagellum much longer than 

 second joint. No middle frontal lobe. Color, brown or reddish brown. 



152. Metopoiwrthus 2iruinosus (Brandt). 



n^. Inner face of right mandible with four penicils, of left mandible with five 

 penicils. Second and third joints of peduncle of second pair of antemipe with- 

 out small apical tooth; first joint of fiagellum shorter than second. Middle 

 frontal lobe small, widely rounded. Color from gray to black, with three 

 longitudinal lines of white spots 153. Metoponorthus lirgatus Budde-Lund. 



