NATURAL HISTORY. 133 



shallow groove runs along the mesial line of the back 

 from the second dorsal fin to the origin of the caudal. 



The Smooth Hound. Mustelus laevts. Yarr: II. 512. 



Two were taken in my trammel net this July 3ft. Gin, 

 and 3ft. 9in, long; they have not been before noticed 

 in oiu" bay. 



The Sharp-nosed Skate. Raia oxyrhynclius. Yarr: U. 556. 



A large specimen was brought to me that had been taken 

 in a herring net in Swanage Bay, December 6. 



L. L. 



CRUSTACEA, 



Mr. J. C. Mansel has taken Euryome aspera in Kimmeridge 

 Bay. 



Prawns are with us only called "Prawns" when in berry, 

 others are termed "Shrimps ;" whilst the true Shrimp is called 

 "Sand Shrimp,'* and is principally used for bait. 



The additions to our list are 



Pennant*8 Ebalia. Ehalia Fennantn. Bell, 141. 



Kimmeridge Bay. J. C. Mansel. 

 Hairy Porcelain Crab. Porcellana platycheles. Bell, 190. 



Most abundant under stones at lofw water. 

 Minute Porcelain Crab. Porcellana longicamis. Bell, 193. 



Swanage and Durdlestone Bays, dredging. * 



