ABT. 15 COPEPOD CRUSTACEANS OF CHESAPEAKE BAY — WILSON 41 



TISBE FURCATA (Baird) 



Canthocamptus furcatus Baibd, British Entoinostraca, p. 210, pi. 25, figs. 1-2; 



pi. 30, figs. 4-6 ; 1850. 

 Idyaea furcata G. O. Saks, Crustacea of Norway, vol. 5, p. 88 ; pis. 51, 52, fig. 1,^ 



1905 ; p. 367, 1910. 



Occun-ence. — Taken at Station G' in a vertical net on December 4, 

 1920, and at the surface on May 30, 1921, the latter haul yielding 

 more than 200 specimens. One hundred and fifty specimens were 

 also obtained in a bottom net on the 100-fathom line in the outside 

 ocean. 



Remarks. — ^The genus name of Idya being preoccupied, Lillje- 

 borg's name of Tisbe must be substituted for it, not Idyaea. Sars 

 said : " This is perhaps the commonest and most widely distrib- 

 uted of all our Harpacticoida." It is a littoral form and north- 

 ern in its habitat, and possibly Chesapeake Bay is near the south- 

 ern limit of its range. 



Suborder CYCLOPOIDA 



BOMOLOCHUS EMINENS Wilson 



Bomoloch^is eminens Wilson, Proc. U. S. Nat. Mus., vol. 39, p. 368, pi. 53, figs. 

 148-154, text fig. 6, 1911. 



Occurrence. — Half a dozen specimens, including both sexes, were 

 obtained at Station P in a surface net on August 24 and in a bottom 

 net on October 19, 1920. Development stages, probably of the same 

 species, were also taken at this station. 



Remarks. — This species was established to include certain speci- 

 mens taken from the gill cavity of the false Spanish sardine, 

 Clwpanodon pseudohispanicus, at the Tortuga Islands. This fish 

 is abundant about Cuba and in the Gulf of Mexico and goes north- 

 ward along the Atlantic coast as far as Woods Hole. Either this 

 or some closely allied fish probably serves as host to the Boniolochus 

 parasite in Chesapeake Bay. 



CORYCELLA* CARINATA (Giesbrecht) 



Corycacus carinatus Giesbbeicht, Fauna uiid Flora des Golfes von Neapel, 

 vol. 13, p. 675, pi. 51, figs. 20, 26, 1892. 



Occurrence. — About 40 specimens, all females, were obtained at the 

 surface on the 100-fathom line on August 21, 1921, and a few were 

 taken in a vertical net at Station G in the mouth of the bay on 

 December 4, 1920. 



Remarks. — This is evidently a pelagic form and does not get far 

 into the bay. From the dates given by other authors, this copepod 

 is probably found throughout the year in the open ocean. 



" The name Corycella Farran, 1911. was used by Leger for a genus of Protozoa in 

 1898. Blake has proposed in manuscript the name Farranulu for this genus, but as it 

 has not yet been published Corycella is retained here. 



