Notes on North American Crustacea. 89 



around the aperture of which was an incrustation formed by 

 some hjdroid polype. It was dredged from a sandy bottom in 

 two fathoms, at the ishind of Barbadoes, by Theo. Gill, Esq. 



It is interesting as being the second species of a genus which 

 has heretofore contained but one known representative, S. 

 spiriger of Japan. 



Eiipag^uriis lieriiliarclus. 



Pagurus hernhardus (Linn.), Fabr. ; Gould ; Inv. Mass. 

 Eupagurus hernhardus, Brandt. 



Found on the north-east coast as far south as Long Island. 

 Specimens have been sent from Puget Sound, by Dr. Kennerly. 



Eiipa^iiru§ kroyeri, nov. sp. 



Carapax and feet naked, or only slightly pubescent. Chelipeds incon- 

 spicuously spinulose, spinules numerous, but very small and short* 

 Eight carpus elongated, and expanding at the base of the hand. Right 

 hand twice as long as broad ; fingers slender, depressed, with corneous 

 tips. Left hand with its carina single, very sharply prominent, den- 

 ticulated, and running to the right of the median line ; surface beneath 

 the carina to the right, smooth ; extero-inferior edge of the hand sharp 

 and slightly dilated. Ambulatory feet reaching beyond tips of cheli- 

 peds. Posterior margin of the last caudal segment deeply emarginated 

 and spinulose. Length two inches. 



Found at Grand Manan, and in Massachusetts Bay, by my- 

 self, and also occurs in Puget Sound. 



There are two species on our north-east coast, which have 

 been confounded under the name of Pagurus puhescens. In 

 the first, a large species, the feet are thickly pilose, the tarsi 

 much curved, the right cheliped spinulose, and over-reaching 

 the ambulatory feet of the same side, and the left hand armed 

 only with a low, obtuse, and often double carina. In the 



