^^is'/ll'^'] PROCEEDINGS OF THE NATIONAL MUSEUM. 365 



7. Panopeus packardii Kingsley. 

 (Plate XXII, fig. 1; plate xxiii, fig. G. ) 



Panopeus jiackardii. J. S. Kingsley, Proc. Boston Soc. Nat. Hist., xx, p. 152, 1879; 

 Proc. Acad. Nat. Sci. Phila., xxxi, p. :i94, 1879. E. J. Miers, Challenger Kept., 

 Zool., XVII, p. 129, 1886. 



Carapace much swollen. Front slightly bilobed, produced, and very 

 much rounded in an even curve with the coalesced post-ocular and 

 first tooth. The swollen carapace and produced front give it a strong 

 resemblance to texanus. 



Autero-lateral teeth sharper and more produced than in texanus. 

 Post- ocular tooth so far coalesced with the first autero-lateral tooth as 

 to show a scarcely perceptible emargination. The second and fourth 

 teeth point at right angles to each other, while the third points in an 

 intermediate direction. 



Seventh segment of male sternum not at all exposed. In the anchy- 

 losed segment the third uormal segment is rather narrow, its margin is 

 rounded, and it borders on the coxa3 owXy at the articulation. Outline 

 of fourth normal segment concave, of the fifth more nearly straight. 

 Penultimate short. Terminal segment short and rounded. 



Fingers of the chelipeds black with white tips, varying in some spec- 

 imens to light browu with white tips. The color runs up on the hand 

 at the lower margin. Movable finger of large cheliped has a large 

 tooth at its base. Tooth on the manus at the base of the movable 

 finger often not well developed. Now and then an individual will be 

 found in which both chelipeds have the character of the usual small 

 cheliped, with no large tooth on the dactyl and no tooth on the hand 

 at the base of the dactyl. These variations do not connect this species 

 with any other when all the characters are considered. Carpal tooth 

 sharp. 



The antero lateral teeth, the more rounding front, the very different 

 shape of the abdomen, and the tooth at the base of the finger separate 

 this species from texanus and sayi. 



Length of carapace in large specimen, 13 millimetres; width, 18 

 millimetres. 



RECORD OF SPECI.MENS EXAMINED. 



Florida: Cards Sound (15225) ; Key Largo (15392) ; No Name Key (13546); Key 

 West (15390, 15395) ; Marco (15633) ; Puuta Eassa (15394) ; Charlotte Harbor (15389, 

 15393); Sarasota Bay (6430); Boca Ceiga Bay, inner shore of Pine Key (15396); 

 Orange Bluff, Clearwater Harbor (15391) ; ofl" northwest end St. Martin's Eeef 

 (13042); Cedar Keys (15397); Sea Horse Key (13051). 



