436 CRUSTACEA. 



FAMILY!. PAGURID^E. 



SUBFAMILY I. PAGURIN^E. 

 GENUS PAGUKISTES, Dana. 



Pedes 4:ti vergiformes, torso terminali. Abdomen ad basin dudbus vel 

 quatuor appendicibus infra instructum. Antennarum externarum fla- 

 gellum plus minusve crinitum, scepe elongate 1 ciliatum. Antennae 

 internee longiores, articuli apice secundi extremitatem oculorum fere 

 attingente. 



Feet of fourth pair not prehensile, tarsus being terminal. Abdomen 

 having below at base two or four appendages. Flagellum of outer 

 antennae more or less crinite, often long ciliate. Inner antennae 

 longer than in other Paguridse, the apex of second joint reaching to 

 extremity of eyes. 



In the following species of this genus the hands are equal or 

 nearly so, and the inferior margin in each is very much more arcuate 

 than the superior. The tips of the fingers are either calcareous or 

 corneous ; usually a terminal spine or point is of the latter character. 



PAGURISTES LONGIROSTRIS. 



fiostrum anguste elongatum, acutum, integrum. Carapacis regio antica 

 subcordata, fere nuda. Oculi graciles, margine carapacis antico lon- 

 giores, basi vel aticulo antennarum externarum vel IHWI antennarum 

 internarum multo longiores; squama basali mediocri, acutd. Fla- 

 gellum antennarum externarum nudiusculum. Pedes antici cequi 

 manu carpoque depressis, latis, bene areolatis non scabriculis, manu 

 infra partim villosd. Pedes 4 sequentes intus areolati, supra hirsuti, 

 extus fere Icwes et nudi. 



Beak long and narrow, acute, entire. Anterior region of carapax sub- 

 cordate, nearly naked. Eyes slender, longer than anterior margin 



