THE CRUSTACEA OF NEW JERSEY. 373 



equally long, large, longer than chelipeds, slender, simple acumi- 

 nate dactyls longest of joints. Both first and second pairs of 

 legs quite hairy below distally. Third and fourth pairs of legs 

 greatly shorter than others articulating with carapace, fourth 

 little longer than third, and dactyl of third slightly better de- 

 veloped, that of fourth obsolete. Two undeveloped appendages 

 on left side of abdomen anteriorly, anterior slightly larger and 

 outer joint comprises at least two-thirds length of each. Very 

 small rudimentary appendage still posterior. Last three termi- 

 nal abdominal segments small, and pair of limbs extending from 

 each side of median one, though that of left best developed. 

 Large outer and small posterior joints of appendages with ex- 

 ternal posterior asperous surfaces, that of left better developed. 

 Color when fresh mostly reddish or orange. Eyes dusky. 

 Length 100 mm. 



Remarks. — Found along the Atlantic Coast from Massachu- 

 setts to Florida. This is our largest species, and occurs fre- 

 quently in large shells, under rocks at low water. It appears to 

 be more abundant in the sounds and bays, affording food to many 

 fishes, sharks- and rays. My examples from Atlantic City, Ocean 

 City and Cape May Point. Say says it is often cast ashore during 

 the prevalence of heavy northeast winds, though otherwise not 

 ■often found. He also mentions it lives in our largest species of 

 shells, such as Natica riigosa, Pyrula caniculata, Pyrula eliceans, 

 etc. Great variation in the claws is noticeable, and they are often 

 unusually heavy, again subequal, and the animal may be either 

 ■dextral or sinistral. I have also found it abundant in Virginia at 

 Chincoteague and Wallops Island. Small examples, not over 30 

 mm. long, were obtained. Mr. W. T. Davis says it is occasionally 

 found dead on the south shore of Staten Island, washed ashore in 

 the shells of Natica. 



Pagurus longicarpus Say. 



Plate 112. 



Long-armed Hermit Crab. 



Pagurus longicarpus Say, Journ. Acad. Nat. Sci. Phila., I, pt. i, 1817, p. 163. 

 Inhabits bay shores. 



