120 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxiii. 



0.24, breadth 0.27; ventral sucker, leng^th 0.34, breadth 0.30; diameter 

 of ventral disk 0.58; ova of different sizes, largest 0.042 b}^ 0.015. 

 This specimen was found in Balistes eai'olineihsis^ 'J^uh' 1^- 



PARASITIC COPEPODS. 



I am indebted to my friend Prof. C. B. Wilson for the identifica- 

 tion of the only species of parasitic copepod found. 

 Lepeoj)htheirus dissrmidatus' Wilson. 



Proc. U. S. Nat. Mus., XXVIII, pp. 631-635, pi. xxii. This 

 species was found on two of the Bermuda fishes. 

 S^pin eplielus striat us. 



July 11, two; July 18, two. Found only on the large groupers. 

 Myderoperca apua. 



Five specimens collected by Mr. Louis Mowbray, St. Georges, 

 Bermuda. 



PARASITIC ISOPODS. 



The parasitic isopods ol)tained by me in Bermuda were sent to Dr. 

 Harriet Richardson, who has kindl}- furnished the following identifi- 

 cations: 

 Cymothoa a-strtim (Linnasus). 



Mr. Louis Mowbray of St. Georges, Bermuda, brought to the lab- 

 oratory two isopods, one large the other small. The snrall one was 

 from the mouth of a fish which was identified by Mr. Mowbray as 

 Trachurops cruraenopldhahuuH. It was collected on March 6, 1903. 

 The large specimen was from the mouth of a fish which he identified 

 as Priacanthus arenatus. 

 lyvna nana Schoedte and Meinert, 



From Athenna harriiigtonensis., July 15, numerous. These isopods 

 were easily removed from the fish, and they could detach themselves 

 at will. They were abundant; all that were seen were females with 

 ova. 

 JVerocUa acuminata Schoedte and Meinert. 



From Lachnolahnus ntaxiinus^ August 3, one, from fin. The speci- 

 men was a female, length 32 mm., breadth 17 nmi. 

 Coixdlena, species. 



This specimen was brought in with other material collected on a 

 dredging expedition to the Challenger Banks conducted by Capt. 

 W. E. Meyer, August 1 and 2. The host was not noted. 



