26 Forty-fifth Report on the 



William B. Marshall, Albany, N. Y.: 



The following specimens collected at Cape May, N. J., August, 1891, 

 Limulus Polyphemus, Latreille, Horseshoe Crab. 



Found on sandy beach, Delaware Bay. 

 Gelasimus pugilator, Laireille, Fiddler Crab. 



Found burrowing in the mud at the mouth and along the banks of 

 a creek, and on salt-marshes. 

 Cancer irroratus, Say. Sand Crab. 

 Carcinus granulatus, Say. Green Crab. 



Above two species found together in large burrows of their own 

 making, and in sheltered depressions, in mud banks on the ocean 

 front exposed between tides. 

 Platyonichus ocellatus, Latr., Lady Crab. 



Found at the water's edge on the ocean front. 

 Callinectes hastata, Ord., Edible Crab. 

 A large male from an inlet. 



A female with incrustations of two species of Bryozoa and with 

 very young oysters crepidulas and barnacles adhering to back 

 and legs, from a gully on the ocean beach. 

 Pelia mutica, Say. Spider Crab. 



From sandy beaches and mud beds on the ocean front between tides 

 Hippa talpoida, Say. Beach Flea. 



Found at water's edge on ocean front. 

 Eupagurus pollicaris, Stimp. Larger Hermit Crab. 



Found walking unprotected on the beach. 

 Eupagurus longicarpus, Stimp. Smaller Hermit Crab. 



From exposed beach between tides, in pools about piles, and in 

 depressions in mud beds, inhabiting shells of various small 

 gasteropods. 

 Melampus bidentatus, Say. 



From salt marshes. 

 Nassa obsoleta, Say. 



Large specimens from the surface of mud in a small inlet which 

 becomes dry as the tide recedes. Small specimens from the sur- 

 face of mud in the mouth of a small creek. During low tide 

 the mud is exposed. As the tide rises, salt water enters the 

 mouth of the creek and covers the mud, but is made brackish by 

 the fresh water of the creek. 

 Fulgur carica, Gm. 

 SycotypiiH canaliculars. Linn. 



Egg-capsules oontaining embryonic shells from the Bhore of Dela- 

 ware Bay. 



