CRUSTACEA. 99 



COPEPODA. EUCOPEPODA. 



LERNAEIDAE. 



Parasitic copepods. 



318. Pexella filosa (Linne). 



Pennatala filosa Linne, Syst. nat., ed. 10, 1758, vol. 1, p. 819. 

 "IN M. Mediterraxei Xiphiis." Guerin, Icon, r^gne Anim., 

 Zooph., pi. 9, fig. 3. 



On suufish, 

 Mass. 



319. Penella costai Brian. 



Pennella costaii [sp. n.] Richiardi, Catal, sez. Ital. esposiz. 

 Berlino, Firenze, 1880, p. 150. "nelle masse muscolari del 

 JCiphias gladius " [Italia]. No description. 



Penella costai ^v'mn, Atti soc. Ligustica sci. nat. e geogr., 1898, 

 vol. 9, p. 218. " Sopra lo Xiphias gladius Lin. * * * Gexova." 



On sword fish. 



Mass. — Woods Plole region (determined with doubt by C. B. 



Wilson). 



320. Lernaeenicus radiatus (Lesneur). 



Lerneocera radiata Lesneur, Joiirn. acad. nat. sci. Phil., 1824, 

 vol. 3, p. 288, pi. 11, fig. 1. "Menhaden or bay alewife 

 Clupea tyranrms, Latrobe." 



Lerneoneina radiata Smith, Kept. U. S. commr. of fish & 

 fisheries, pt. 1, for 1871-1872 (1873), p. 578 [284], pi. 7, fig. 30. 



From menhaden. 



Mass.— Vineyard Sound ; Buzzard's Bay. 



321. Lerneonema?, sp.. Smith. 



Lerneonema'i, sp.. Smith, Kept, L^. S. commr. of fish & fish- 

 eries, pt. 1, for 1871-1872 (1873), p. 578 [284]. "upon a spe- 

 cies OF Carangus * * * Vineyard Sound." 



