430 BULLETIN OF THE BUREAU OK FISHERIES. 



Chelipeds long and slender; meros with four stout, curved spines in front and a single similar one 

 at the distal end behind; carpus -mth two spines of which the outer is small and weak while the inner 

 one is very long and extends along tlie side of Uie hand almost to the base of the movable finger; hand 

 with scrratotubcrculate ridges, which are prolonged onto Uie fingers, and two spines, one at tlie carpal 

 articulation, the other near the base of the movable finger; fingers nearly straight, incur\'ed at tips. 



Length of a male, i8 mm.; width, 38 mm. 



Color, bro^^•nish yellow witli red markings on ridges of carapace, spines of legs and fingers. 



This appc;u-s to be a Sjiecies of the deeper waters of the region. It has been dredged from 13 

 to 134 fathoms off Hatteras, off Cape Fear, :ind between Hatteras and Cape Lookout, but so far as is 

 definitely known h;is not been taken anywhere along tlie shore or in the harbor. 



Portunus (AcheloUs) sebae (Milne-Edwards). PI. xxxiii, fig. 5. 



Lupia seba H. Milne-Iidwards, 1834-1840. t. I, p. 455. 

 Niplunus scba A. Milne-Edwards, 1S61. p. 339. 

 Achdoils jffxr Smith. 1869, p. 34; Verrill; ibid.. 1908, p. 380. 

 Portunus (.4r/tW<>ui) sebas Rathbun. 1901, p. 46. 



Carapace less tlian twice as wide as long, pubescent and with very indistinct granulate ridges; 

 ftontal teeth 6, including tlie inner orbitals; the outer margins of which are only slightly sinuate; 

 teeth of the median pair blimter and more advanced than those of tlie next pair; external orbital tooth 

 acuminate and slightly larger than the nearest anterolateral tooth; anterolateral teeth acute or acumi- 

 nate, their tips turned fonvard, the eighth one longer than the space occupied by the three preceding 



tee til. 



Chelipeds of moderate length, pubescent and with fringes of silky hairs; meros mth five spines in 

 front and one behind; carpus with two spines, the internal one being strong and very sharp; hand 

 witli three spines; one at the carpal articulation, a small one immediately above the base of tlie movable 

 finger, and a larger one farther back; fingers slender, straight. Basal article of last pair of legs with an 

 erect spine. 



Length of a male, 29.5 mm.; width, 55.2 mm. 



Color, in alcohol, pale brownish yellow, fingers red, a large round red spot on each flank of the 

 carapace. By Verrill the hairs fringing the legs and chelipeds are said to be red. 



There is no record of this species ha\'ing been taken in the Beaufort region, and there are no speci- 

 mens in the United States National Museum from farther north than Key West, Fla. It occurs in the 

 Bermudas, and both Dr. Mary J. RaUibun and Prof. \"errill state that its range extends from North 

 Carolina to Brazil. The species, in all probability, will be found here sooner or later, and is therefore 

 included in this paper. 



Portunus (AcheloUs') depressifrons Stimpson. PI. xxxiii, fig. 7. 



Amt'hittiU det>reisifronsSX\^a\iSoa. 1S59. p. 5S. 



A<hcU>iii depressifrons Stimpson. iS5o, p. 2=3; Colics, 1873. p. 121; Kingslcy, 1S78-79, p. 320: Verrill. 190S, p. 391. 



Portunus {Achcious) depressiforns Rathbun, 1901. p. 45. 



Carapace about one and three-fifths times as wide as long, uneven, pubescent and with indistinct 

 transverse ridges; frontal teeth six, including the inner orbitals, which are neither notched nor sinuate 

 and much larger than Uie others, the tips of all the teeth about on a line ; external orbital tooth strong, 

 its tip rounded ; anteroKitcral teeth acute, turned forward, the eighth scarcely longer than the one in front 

 of it, tlie tectli and the intervals between them ciliated. 



Chelipeds trigonal, serratogranulate and pubescent; meros with five spines in front and a distal one 

 behind; carpus wiUi two spines, the outer much smaller than the inner one: hand short and compressed, 

 its upper margin raised into a crest which terminates distally in a stout spine, a smaller spine at the carpal 

 articulation ; fingers flattened, the movable one with a border of cilia on the superior margin. The three 

 pairs of walking legs are unusually long and slender and the first pair has its articles fringed with 

 hairs. The swimming legs are shorter than in most of the species of this genus. 



Lcngtli of a male, 23.5 mm. ; width, 37 mm. (Specimen from Key West, Fla.) 



Color: \'errill stated that "in life the carapace is irregularly mottled with light and dark gray, 

 closely imitating the colors of the sand; the chelipeds and posterior legs are similar, though paler; but 

 the first pair of ambulatory legs, whicli are longer than tlic others, are bright purple or deep blue, in the 

 larger specimens, while some portion of the same color is usually seen on the next two pairs, but the color 



