.on CRUSTACEA. 



Family I. PAGURID^E. 



Subfamily I. PAGURINJE. 

 Genus PAGUMSTES, Dana. 



Pedes iti vergiformes, tarso terminali. Abdomen ad basin duabus vel 

 quatuor appendicibus infra instructurn. Antennarum externarum fla- 

 gellum plus minusve crinitum, scepe elongate ciliatum. Antenna? 

 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 

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

 longer than in other Paguridae, 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. 



Rostrum anguste elongatum, acutum, integrum. Carapacis regio antica 

 subcordata, fere nuda. Oculi graciles, margine carapacis antico lonr 

 giores, basi vel aciculo antennarum externarum vel basi antennarum 

 internarum multo longiores; squamd basali mediocri, acuta. Fla- 

 gellum antennarum externarum nudiuscidum. Pedes antici cequi 

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

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

 extus fere loaves et nudi. 



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

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



