554 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



PROBOPYRUS PANDALICOLA (Packard). 



Bopyrus (7) LEIDY, Proc. Acad. Nat. Sci. Phila., 1879, Pt. 2, p. 198. HAROER, 



Report U. S. Commissioner of Fish and Fisheries, 1880, Pt. 6, p. 312. 

 Bopyrus pandalicola PACKARD, Zoology for Students and General Readers, 1879, 



pp. 308-309. 

 Bopyrus palxmoneticola PACKARD, Zoology for High Schools and Colleges, 1881, 



p. 289. 



Bopyrus manhattensis GISSLER, Scientific American, XLV, Sept. 3, 1881, p. 151. 

 Bopyrus palxmoneticola GISSLER, American Naturalist, XVI, 1882, pp. 6-12. 

 Probopyrus palsemoiieticola GIARD and BONNIER, Bull. Scient., XIX, 1888, p. 4. 



STEBBING, Hist. Crust., 1893, p. 416. 



Bopyrus pahemoneticola RICHARDSON, Proc. U. S. Nat. Mus., XXIII, 1901, p. 578. 

 Probopyrus paltemoneticola BONNIER, Travaux de la Station Zool. de Wimereux, 



VIII, 1900, pp. 342-343, pi. xxxi. RICHARDSON, Proc. U. S. Nat, Mus., 



XXVII, 1904, p. 66. PAULMIER, Bull. New York State Museum, 1905, pp. 



185-186. 



Localities. Atlantic City, on Palxmonetes vulgar!* Say; from New 

 Hampshire to Florida, on P. vulgaris; East Providence, Rhode Island, 



b 

 FIG. 599. PROBOPYRUS PANDALICOLA. a, DORSAL VIEW OF FEMALE. 6, VENTRAL VIEW OF SAME, x 4. 



on P. vulgaris,' Acushnet River, Massachusetts, on P. vulgaris; Bald- 

 win Lodge, Mississippi, on Palxmonetes sp.; Latana, Florida, on 

 Palsemonetes; Brooklyn, New York. 



Description. Color of body white, with patches of black on the 

 lateral margins of all the thoracic segments on both sides of the body. 

 Head and abdomen also with a few scattered black markings. Legs 

 of both sides white; patches of black on the ventral side of the lateral 

 margins of both sides of the thorax. Incubatory lamellae with patches 

 of black on all the plates of both sides. 



Head deeply set in thorax; anterior margin straight; posterior mar- 

 gin rounded. Eyes wanting. Ovarian bosses present on the first four 

 segments of the thorax at the anterior part of the sublateral margin; 

 epimera evident as narrow plates lateral to the ovarian bosses. The 

 epimera occupy' the entire lateral margins on the last three segments. 

 The segments of the abdomen are distinct. The terminal segment is 

 broad, more or less bilobed. The pleopoda consist of five pairs of 



