80 AMERICAN JOURNAL 



stroyed by the heavy dredges. In 1869 five hundred and sixty- 

 three vessels, licensed by the State, dredged and brought to 

 market during the season of seven months upwards of six million 

 bushels of oysters. In addition to this amount, over three mil- 

 lion bushels were taken with the "tongs " (for which over nine- 

 teen hundred canoes are licensed) ; making the aggregate yield 

 of the year in the waters of Maryland alone ten million bushels. 

 A tabular statement of localities aggregates 373 square miles 

 of oyster beds in Maryland. 



IL— FOREIGN. 



BRITISH. 

 Annals and Magazine of Natural History. July, 1869. 



On a new Volute. By Frederick McCoy. 



Voluta (^Amoj'ia) canaliculata. Hah. — Port Denison. 



Note on the A7iimal of Limncea involuta. By A. G. More. 



The animal of this species is here described for the first time. 

 The appearance of the shell induced systematists to suspect its 

 intimate relationship with Amphijpeplea, but the animal is not 

 difi'erent from European Limncea. 



August, 1869. 



On the Anatomy of Diplommafina, and its affinity with 

 Oyclophorus and Pupina in the Cyclophoridce. By 

 John Denis Macdonald. 



On the spire of Voluta Thatcheri. By Frederick Mc- 

 Coy. 



Nov., 1869. 



On some British Fresh-water Shells. By J. Gwyn 

 Jeffreys. 

 Planorhis dilatatus of Gould is stated to have become a denizen 

 of the Gorton and Bolton Canals at Manchester, its eggs having 

 been transported probably in American cotton. 



Species of Terrestrial Mollusca collected on the Island of 



San Lucia. By Ralph Tate. 

 Cuttlefish {Sepia) of the Med Sea. By Dr. J. E. Gray. 



The Journal of Anatomy and Physiology. Second Series. Vol. iv, 

 No. 5. London. Nov., 1869. 



Sketches to a scale of the Auditory Organs of certain 

 common 3Iolluscs. By George Gulliver, F. R. S., 

 . with a plate. 



