CRUSTACEA 215 



Cirolina concharum Stimpson 



PLATE XXIV. Fig. 9 



Very common in New Jersey waters in winter; 

 free swimming" or parasitic. 



Limnoria lignorum Rathke (Gribble) 



PLATE XXIV. Fig. 12 



A small form, 1/5 inch in length that bores into 

 wood doing considerable damage to piling, etc. The 

 animal is covered with minnte hairs. In New Jersey 

 it is present from low water mark to about 10 

 fathoms, more frequent near shore. 



Ancinus depressus Say 



PLATE XXIV. Fig. 8 



This species was originally described from Egg 

 Harbor (Bay) by Thomas Say in 1818. It was not 

 collected again until very recently. It is now known 

 to be common along the New Jersey and Delaware 

 coasts and probably occurs elsewhere along the 

 Atlantic seaboard. 



STOMATOPODA 



These animals are elongate and somewhat re- 

 semble the lobster, although the abdomen is longer 

 in proportion and the legs are very different. Be- 

 cause of their peculiarly formed chelipeds, or great 



