PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 485 



Argulus megalops, Smith. 



Op. cit, part i, p. 575 (281), 1873. 



From the common Skate, Raia erinacea, Mitch. : 



G068. Vineyard Sound, Massachusetts, U. S. Fish Commission, August 28, 

 1883; 5 specimens. 



From the Sculpin, Cottus octodecimspinosus, Mitch.: 



8281. Wood's HoU, Mass., V. N. Edwards, November 20, 1883; 2 specimens. 



From the Web-fingered Sea robin, Prionotus palmipes, Storer: 



82^5, 8639. Wood's Holl, Massachusetts, U. S. Fish Commission, August, 1884; 

 5 + 2 specimens. 



From the common Flounder, ParaUclithys dentatufi, (L.) Jordan & 

 Gilbert : 



6067. Vineyard Sound, Massachusetts, U. S. Fish Commission, August -28, 

 1883; 1 specimen. 



8638. W^ood's Holl, Mass., U. S. Fish Commission, September 8, 1884 ; 3 spec- 

 imens. (Also from Pleiironectes americanus.) 



From the Spotted Sand Flounder, Bothus maculatus, (Mitch.) Jor. & 

 Gilb. ; 



6069. Vineyard Sound, Massachusetts, U. S. Fish Commission, August 28, 

 1883 ; 1 specimeu. 



From the Kew England Flat Fish, Pleuronectes americanus, Walb. : 

 8276. Wood's Holl, Mass., V. N. Edwards, October 31, 1883 ; 2 specimens. 



From the Tomcod, Microgadus tomcod, (Walb.) Gill. : 



8280. Wood's Holl, Mass., V. N. Edwards, November 16, 1883; 1 specimen. 



From the surface. 



6179. Vineyard Sound, Massachusetts, U. S. Fish Commission, July 8, 1871 ; 

 3 specimens. (Types of S. I. Smith.) 



From the above list it will be observed that this species occurs on 

 many kinds of fish on the Southern New England coast. The colors 

 vary from a nearly pure white to a yellowish white and light brownish 

 yellow. Kearly all the specimens recently collected are considerably 

 larger than the types of Professor Smith. The largest are (60G8) from 

 Rata erinacea and (8276) from Pleuronectes americanus. The extreme 

 length of the largest specimeu is over 5 millimeters, and the extreme 

 breadth about 3 millimeters. 



? Argulus alosae, Gould. 



Rept. Invert, of Mass., p. 340, fig., 1841 ; Smith, op. cit., part i, p. 57.-^ (281) 

 1873. 



Host unknown. 



4410. Great Egg Harbor, New Jersey, William Stimpson; 1 9 specimen. 

 The single specimen above recorded was collected by the late Dr. 

 William Stimpson, probably about twenty years ago, but the species of 

 fish from w liich it was taken is not stated on the label ; it may possibly 



